Fireside Alpha

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Fireside Alpha

Fireside Alpha

@firesidealpha

Summary and synthesis of the best business, technology, and consumer conversations

United States Beigetreten Haziran 2026
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Fireside Alpha
Fireside Alpha@firesidealpha·
Right on cue. Gavin Baker (@GavinSBaker, Atreides) was asked recently which chip was most underrated and where consensus was wrong. His reply: "Trainium by far. Trainium is going to be to 2026, especially in the 2H of this year when Trainium 3 really ramps, as TPUs were to 2025."
Wall St Engine@wallstengine

Amazon is seeing more interest in its Trainium and Inferentia chips as companies look beyond a single-vendor Nvidia GPU strategy, per The Information. The main appeal is cost, with some inference workloads reportedly up to 80% cheaper vs H100s. Amazon is also discussing ways to bring its AI chips closer to enterprise data centers, though Inferentia is not yet ready for AWS Outposts testing.

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Fireside Alpha retweetet
Oguz Erkan
Oguz Erkan@oguzerkan·
Gavin Baker says Trainium is the most underrated AI accelerator. It’s the whole reason $AMZN has higher ROI on AI capex than all other hyperscalers out of the gate. They insisted on ramping up Trainium instead of going 100% $NVDA, so they now have better margins. Long $AMZN
Oguz Erkan tweet media
Fireside Alpha@firesidealpha

Right on cue. Gavin Baker (@GavinSBaker, Atreides) was asked recently which chip was most underrated and where consensus was wrong. His reply: "Trainium by far. Trainium is going to be to 2026, especially in the 2H of this year when Trainium 3 really ramps, as TPUs were to 2025."

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Fireside Alpha
Fireside Alpha@firesidealpha·
@pratjoey Right, and the "interface with other systems" part is the whole ballgame. If agents can rebuild the app cheaply, the moat is the data and the plumbing between systems, which is the layer Snowflake is fighting to own
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Joey Prather
Joey Prather@pratjoey·
@firesidealpha SaaS will continue to evolve into prebuilt systems to leverage AI for the client and to interface with other systems
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Fireside Alpha
Fireside Alpha@firesidealpha·
Wild that a public software company CEO will openly admit this. Sridhar Ramaswamy (CEO, $SNOW): "I think of coding agents as the biggest threat to all software and figuring out a path for Snowflake that is going to survive and thrive in this world is my #1 challenge." 1/n
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Fireside Alpha
Fireside Alpha@firesidealpha·
Incredible that just over two weeks ago, Google's Gemini co-lead Noam Shazeer (@NoamShazeer) was asked what he was building besides Gemini. "I'm just trying to make the model smarter, build some new model architectures." Turns out, he was talking about GPT.
Noam Shazeer@NoamShazeer

I’m excited to share that I’ll be joining OpenAI and look forward to working with the exceptional team there. It was a difficult decision to move on. I’m incredibly proud of the amazing team at Google and everything we’ve built together. It has been an honor and a pleasure to work with all of you.

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Fireside Alpha
Fireside Alpha@firesidealpha·
@ludoonchart Very interesting. Btw have you seen the The New Yorker's profile on him the other day? Worth a peruse here x.com/firesidealpha/…
Fireside Alpha@firesidealpha

Highlighting a profile on Ken Griffin, the ~$50B Citadel founder, by The New Yorker: the alpha factory, the Mamdani feud, the Chicago exit, art, and a possible run. Worth the read/motivation to start the day, otherwise here's the tldr: 1. The scale. The piece frames Griffin, worth about $50 billion, as the most successful Wall Street entrepreneur of his generation, having built two separate money machines, the hedge fund Citadel and the market maker Citadel Securities. Forbes still ranks him only 37th-richest in the world, behind the tech founders who top the list. 2. The numbers behind the empire. Citadel's fund manages $68 billion, more than $19 billion of it Griffin's and his colleagues' own money. He owns at least 75% of Citadel Securities, which trades more than $170 trillion a year and booked $12.2 billion of revenue and $5.4 billion of net income in 2025. Bloomberg estimates the market maker is nearly half his net worth, which has tripled in six years. 3. The Mamdani feud showed his command of the outrage machine. After Mayor Zohran Mamdani's pieds-a-terre-tax video singled out Griffin as the owner of the $238 million Central Park South penthouse he bought in 2019, the priciest US home ever sold, Griffin fought back hard even though he lives in Miami and owns at least eleven homes worldwide. Citadel floated canceling a New York tower, allies at the Washington Post and a co-developer piled on, and Mamdani partly retreated. 4. The edge is relentless, unsentimental reinvention. Griffin has never claimed to be a math savant like Jim Simons or a long-term picker like Warren Buffett. The piece argues his mission is to build finance businesses that update their strategy, technology, and people so relentlessly that they beat rivals over decades, taking ideas just beginning to circulate and improving them with math or data others have not used. 5. He actually means the cliche everyone repeats. His retired deputy James Yeh told the magazine that almost every executive claims to never rest on their laurels, but ninety-nine percent do not mean it, and Ken does. The biggest risk at Citadel, by its own tenets, is complacency, and the stated objective is not only profit but beating rivals. 6. The fee model is a high-wire act. Instead of the traditional 2% management fee, Citadel charges pass-through fees that have reached about 12%, which lets it outspend rivals on talent and technology. It also finances more than $300 billion of assets with heavy leverage, which magnifies returns but means even a modest loss can force a scramble for cash. A large rival, Jain Global, recently foundered partly on that same model. 7. The plumbing is the moat. Early on Citadel cut out the prime brokers and began self-clearing its own trades, a speed edge that proved pivotal in the digital era and let it know its exact position every minute during the 2008 crisis. It also pioneered the pod shop, independent teams of a manager plus a few analysts, where winning pods get more capital and floundering ones are shut. 8. The culture runs on fear and churn. Former employees describe constant turnover, one keeping a "Book of Souls" of fifty departed colleagues in six years, and Griffin reviewing staff emails when he suspects a leak. A former executive said Ken's way of fixing weak performance was some turnover, because there needed to be some fear in the organization. Even so, most ex-employees come away grateful, since new hires get real responsibility fast and about half the portfolio managers rose from junior roles. 9. Citadel nearly died in 2008. The main fund fell 55%, and Griffin says the firm would have collapsed had Morgan Stanley failed. The damage came not from subprime exposure but from supposedly safe, uncorrelated bets all moving together in the panic. Griffin and partners put $500 million back in, refused to take a fifth of profits until the fund returned to its pre-crash high, and chose not to shut down and restart, the move Buffett had criticized other managers for. 10. Citadel Securities quietly became a giant. The market maker now handles about a quarter of all US stock trading and roughly 30% of equity options, coined the term high-frequency trading, and built fibre-optic speed advantages. It once paid a $22.6 million SEC fine for failing to get certain clients the best price about 3% of the time between 2007 and 2010, and it was valued at $22 billion in 2022 and is likely worth far more now. 11. The retail-trading engine draws the loudest criticism. Citadel Securities pays roughly $1 billion a year to brokers like Robinhood for the right to fill amateur orders, which funds commission-free trading but which critics call a kickback that pushes inexperienced people into risky bets. Forty percent of the retail options it handles are all-or-nothing same-day contracts, and Europe is banning the practice this month. During the 2021 GameStop frenzy, Citadel grave-danced into the wounded short-seller Melvin Capital. 12. The track record is historic, and now fading. Citadel has returned about 19% a year on average since 1990 with only two down years, and 23% a year from 2019 to 2024 with none, which one ranking firm crowned the most profitable hedge fund of all time. But the fund returned just 10.3% last year, below the industry average for only the second time since 2008, and is up only 3.9% through May against an industry average near 7%. 13. Weather became a profit center. After a stretch of alpha decay around 2015, Griffin ran commodities himself, hired hydrologists and weather specialists, and invested in forecasting technology. The commodities unit then made more than $10 billion across 2022 and 2023, largely by trading European natural gas through the price spike after Russia invaded Ukraine. 14. The origin was an insight about the quality of earnings. Trading in his Harvard dorm in the late 1980s, Griffin noticed that the market maker on the other side of his options trade earned a steadier, higher-quality income than his own risky bets. Chasing that reliable cash flow led him to convertible arbitrage, a satellite dish on his dorm roof for live data, and Citadel's founding in Chicago in 1990. 15. The Chicago exit was a political brawl. Griffin waged what one observer called a years-long blood feud with Illinois Governor J.B. Pritzker, spending more than $54 million to defeat a progressive-tax plan in 2020 and $50 million backing a challenger who was routed in 2022. He called Chicago "like Afghanistan on a good day," cited crime, and moved Citadel to Miami in 2022, drawn partly by the lack of income tax. Bezos and Sergey Brin later followed him there. 16. He spends on politics like a basic unit of currency. Griffin put about $400 million into campaign contributions from 2020 to 2024, ranking among the top federal donors, with his biggest gift this cycle being $2.5 million to Senator Susan Collins. He casts himself as a small-government Reaganite and a kind of shadow Treasury Secretary, backing border enforcement, deregulation, and tax restraint while attacking Trump's tariffs, his pressure on the Fed, and his manufacturing nostalgia. 17. His relationship with Trump is calculated. The Wall Street Journal once called him Wall Street's loudest Trump critic, yet he has never given to a Trump campaign, gave $1 million to the 2025 inauguration and $500,000 to Biden's, and voted for Trump in 2024 without enthusiasm. ProPublica found he paid an average 29.2% tax rate from 2013 to 2018, far above many tech billionaires, and he once called Jared Kushner with the outline that became Operation Warp Speed. 18. A presidential run hovers, and he keeps it alive. Admirers cast him as the next Jamie Dimon, a Wall Street king who could become a technocratic moderate, and Griffin says he would like to be involved in public service at some future point. The piece notes the obstacles, that no Wall Street figure from Hamilton to Bloomberg ever won the presidency, that a Harvard hedge-funder with a Riviera house unites people across parties in distaste, and that he hates to lose. 19. The spending is on a pharaonic scale. Griffin has put more than $450 million into 27 acres in Palm Beach near Mar-a-Lago, the centerpiece of a roughly $1.5 billion global property portfolio, with a main house built for his mother whose floors required Amish craftsmen. His art holdings almost certainly exceed $2 billion, anchored by a de Kooning he calls one of the most important paintings of the last century, and he owns a $45 million stegosaurus and two of the fourteen surviving original copies of the US Constitution. 20. Griffin sells his businesses as public goods. The New Yorker is not convinced. He argues they democratized finance and made markets cheaper and more liquid, and he has given away more than $2 billion with his name now on more than a dozen museums and seven hospitals. The piece counters with Warren Buffett's warning that hyperactive markets act as "pie shrinkers" and with the unease of watching the best and brightest pulled into trading. Asked whether finance's profitability is justified, Griffin paused and answered, "There is a market."

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ludoonchart
ludoonchart@ludoonchart·
Ken Griffin on how ai is aggressively taking over the business world and completely destroying the traditional corporate hierarchy speaking to Stanford students, he dropped a brutal reality check on how algorithms are replacing elite degrees and handing massive power to small startups: "in software engineering, you get a 15, 20, or 25% boost in productivity. but what we are seeing now is work that we would usually do with people with masters and phds in finance over the course of weeks or months being done by ai agents over the course of hours or days" "these are not mid-tier white collar jobs. these are extraordinarily high-skilled jobs being automated. the competitive moats that massive companies have depended upon for decades are vanishing" "ten years ago, we had data centers full of nine figures of hardware to protect our advantage. today, a startup can lease that same computing power. a friend of mine handed his business to his 25-year-old son, who completely weaponized ai to target customers. they sold that business a few weeks ago for $1 billion" Griffin didn't build a $70 billion empire by ignoring the future. he is warning everyone that if you rely on your old credentials instead of adapting to the ai revolution, you will simply be replaced bookmark and watch his recent interview breaking down the ruthless new reality of ai
ludoonchart@ludoonchart

Ken Griffin shared a brutal story about a 22 year-old harvard grad that perfectly explains the ruthless culture of building a $60 billion empire: "i had a young man from harvard with me, and i asked him: 'if you made $10 million, what would you do?' he said, 'i would quit and i would climb the highest peaks around the world.'" "i looked at him and said, 'i don't think this is the right firm for you.' he was confused and said, 'well, you've already made an offer to me.' i replied: 'that's wonderful. i strongly urge you not to accept it.'" "i don't want to hear from somebody who is 22 years old that there's some magic number where they just stop. i want to hear how they are going to climb the next mountain right here at citadel. how they are going to build a business and have a massive impact." Griffin didn't build one of the most feared hedge funds on wall street by hiring people who just want to get rich and retire. he built it by hiring absolute killers who treat the game itself as the ultimate prize bookmark and watch his interview breaking down the ruthless reality of winning at citadel

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Fireside Alpha
Fireside Alpha@firesidealpha·
@TickerSymbolYOU Was a fantastic watch. Wrote up notes on the session for posterity's sake. x.com/firesidealpha/…
Fireside Alpha@firesidealpha

Great fireside. Jeff Bezos (@JeffBezos) and Dave Limp (@davill) w/ host Mike Massimino (@Astro_Mike). Discussion centered around cost of launch as the key variable for things like orbital data centers to off-planet heavy industry, and more. Relevant for $SPCX. Notes below: 1/ The launchpad explosion was a gut punch that barely moved the timeline, and the recovery itself is the culture argument. Bezos says the long-lead items that usually set a schedule, the propellant tank farm holding liquid hydrogen and liquid oxygen, survived, and a booster sitting in the nearby integration facility took shrapnel but lived. Blue Origin pulled in 400 pieces of heavy equipment from a construction crew down the road working around the clock, cleared the debris, and started rebuilding the day before this talk. He still commits to flying New Glenn again before the end of the year, which makes the failure a stress test of the team rather than a reset of the program. 2/ The entire thesis is that space needs the same cheap shared infrastructure the internet had, so small players can do big things. Bezos frames Blue Origin's job as building the road to space, the heavy infrastructure other companies ride, the way global networks let two kids in a dorm room build a giant company over the last two and a half decades. The cost of admission to space is still very high, and lowering it is the precondition for any dynamic space economy. From an investment standpoint, the read is that he is positioning Blue Origin as a picks-and-shovels layer, not a single end product. 3/ Demand for launch is the proof the space economy is real, and the constraint is supply, not demand. Bezos calls demand for launch insatiable right now, with a tremendous backlog already on the books and every launch company in the same position. He names the drivers as LEO communications, national security missions, and, ahead, orbital compute and lunar resources. His one-line summary, that they are supply constrained and not demand constrained, is the cleanest signal in the whole conversation for where the bottleneck and the pricing power sit. 4/ Launch cost runs on a virtuous circle, and reusability plus rate manufacturing is how you spin it. Bezos lays out the loop directly: expensive launch forces satellites to carry long lifetimes and high cost, cheaper launch lets satellites get cheaper, cheaper satellites drive more launch demand, more demand means more practice, and practice drives cost down again. Reusable boosters are the entry point because a booster that lands can be reused many times, and rate manufacturing keeps the flywheel fed. He is explicit that you cannot count on the exact timing, only the direction. 5/ The hard part is not building one rocket, it is building the machine that builds the machines. Limp, who says he came from consumer electronics and has done aerospace for two and a half years, argues that any single engine or rocket is tractable, and that the factories pushing them out at rate are what take time and thought. Blue Origin is standing up an engine factory in Huntsville and a rocket factory in Orlando, with heavy vertical integration down to raw materials. The stated goal is a hundred flights a year, which means a hundred second stages and hundreds of engines, so the factory is the product. Bezos adds that a BE-4 engine now comes off the line every four days. 6/ Rocket engines live right at the limit of physics, and the BE-7 just set a multi-decade endurance record. Bezos puts main combustion chamber temperatures at 5,000 to 6,000 degrees Fahrenheit, past the melting point of any material, which forces lightweight high-performance turbo pumps and regeneratively cooled channels just to keep the hardware intact. The BE-7, the roughly 10,000-pound-thrust lunar lander engine, ran continuously for 41 minutes, beating a 36-minute space shuttle main engine test from about 30 years ago. He frames reliability on that engine as paramount because it is what lands humans on the moon. 7/ Choosing liquid hydrogen for the lander is a bet on refueling from lunar ice, not just on performance. Bezos explains that liquid hydrogen outperforms hydrocarbon fuels but is so low in density it would make a booster stage gigantic, so it earns its place on upper stages, the same split the Apollo Saturn V used. The forward-looking reason is that water ice in permanently shadowed craters near the lunar poles can be electrolyzed into liquid oxygen and liquid hydrogen. By matching the lander's fuel to what the moon can produce, he sets up in-situ refueling on the surface rather than hauling every kilogram from Earth. 8/ Moon first is a sequencing discipline, and the moon's case is proximity plus a shallow gravity well. Bezos calls the moon a gift, reachable in three and a half days each way, available anytime rather than on the two-year planetary window Mars demands. The economic hook is that the moon's gravity well is so much lower that lifting materials off it takes 28 times less energy per kilogram than lifting them off Earth, which makes lunar-produced liquid oxygen cheap to move into space. His framing that skipping steps does not actually make you faster is the sequencing argument behind going to the moon before Mars. 9/ Blue Origin's near-term lunar cadence is concrete, and it ramps fast. Limp lays out a Mark 1 lander early next year carrying three metric tons to the surface as a Pathfinder, the largest object ever landed on the moon, then a mid-year Artemis 3 rendezvous with the human-rated Mark 2 lander meeting near 450 kilometers in low Earth orbit, then a second Mark 1 landing NASA's VIPER rover late in the year. He says Artemis 3 was announced the prior week and that an astronaut named Luca from Italy will be on the flight. He stresses these are coming off an assembly line now, and the team is named the lunar permanence group, which signals the intent to stay rather than visit. 10/ As a species we are barely warming up, which is how Bezos frames every timeline. Bezos pushes back on the idea that the world has caught up to Blue Origin, saying that in space terms humanity has not even begun and this is the earliest of early days. He separates the Apollo landings, which he calls a real accomplishment, from the permanence Blue Origin is now after. The investor consequence is patience, because he treats current capability as a starting line, which is consistent with the multi-decade horizon Limp describes him holding. 11/ Apollo was pulled forward in time at an unsustainable price, and Bezos argues now is the affordable moment. He notes the United States spent almost 3 percent of GDP to reach the moon during the race with the Soviets, a level no one would sustain today. His point is that the first lunar program was a geopolitical sprint done before the economics were ready, while the current push can be built on cost-effective, repeatable hardware. His aside that 3 percent of GDP would buy fusion is the same idea sharpened: cost discipline, not raw spending, is the constraint he respects. 12/ A lot of compute is heading to orbit, and Bezos thinks the chips eventually get made there too. He expects compute and solar cells built in space using asteroids, near-Earth objects, and the moon, with answers beamed back to Earth, and says ultimately even the chips the compute runs on get manufactured off-planet. He pairs this with Project Sunrise, an orbital-compute constellation in sun-synchronous orbit. The framing turns space from a launch market into a manufacturing and compute market, which is a far larger pool than payload delivery. 13/ Orbital data centers are a cost question, not a physics question, and Bezos says the lines will cross. He dismisses heat rejection as an easily solvable physics problem and reframes the whole debate as the cost of producing solar cells, satellites, and launch. Project Sunrise sits in sun-synchronous orbit where satellites are in sunlight more than 99 percent of the time, so solar collection runs nearly continuously instead of the half-darkness of a typical 90-minute low Earth orbit. He concedes he does not know exactly when terrestrial and orbital compute costs cross, only that you have to build now to be ready when they do. 14/ Blue Origin is building two constellations aimed at the high end, and the scale is what keeps launch constrained. The high-bandwidth LEO network, TeraWave, is described as fast earth-to-space optical links optimized for enterprises, hyperscalers, and governments, distinct from the consumer focus of Starlink and Amazon's LEO. Its first phase alone is 5,000-plus satellites in LEO plus another hundred in medium Earth orbit, with shells that want to be 5,000 to 20,000 each. Each constellation can absorb hundreds of launches, which is exactly why launch capacity stays the binding constraint. 15/ Prometheus is Bezos's bet that AGI for engineering needs different training data than a language model. He describes Prometheus as a set of tools to let engineers invent and build faster, and says it cannot be done with traditional large language models. His analogy is that an LLM has read the entire corpus of human knowledge and is unbelievably good at symbol manipulation, but reading a thousand books on gymnastics would still leave you a terrible gymnast. Designing real physical objects needs a different kind of training data, so Prometheus is a model built specifically to do engineering. 16/ The payoff Bezos wants from Prometheus is compressing the dream-to-build cycle from a decade to a year. He says a modern jet engine with 10 percent more thrust is a ten-year program even for someone who has built fifty of them, counting design, testing, and standing up the factory. The Prometheus goal is to take that to five years, then three, then two, then one. He ties it back to a civilizational claim, that all wealth comes from invention, from the plow to the steam engine, so accelerating the invention loop compounds into real productivity and prosperity. 17/ Bezos argues AI creates a labor shortage rather than redundancy, because invention is bottlenecked by capability, not ideas. He says he totally disagrees that AI makes humans redundant, and that it instead lets people identify and tackle an endless backlog of problems. His claim is that we are limited today not by imagination but by what we can actually build, and that most good ideas die in someone's head because executing them is too hard. He points to vibe coding as the early version, where he can now write an iOS app in an afternoon, and wants the same speed for physical objects coming off a 3D printer. 18/ Decisiveness is a sorting problem between one-way and two-way doors, and treating every call as irreversible is what slows big companies. Bezos says Blue Origin, now 14,000 to 15,000 people, has to fight the one-size-fits-all thinking that makes every decision feel the same size, using the image of a one-size robe that never fits. Consequential and nearly irreversible decisions should be made slowly and carefully, while reversible ones, even important ones, should be pushed to single individuals with good judgment. He says traditional aerospace gets slow precisely because life-safety-critical missions tempt teams to treat every decision as life-safety-critical. 19/ Resourcefulness still carries full weight, and Bezos frames it as an attitude that any problem is solvable. Asked whether his grandfather's lesson holds in an age of AI, he tells the story of summers on a South Texas ranch from age four to sixteen, repairing bulldozers and even making veterinary needles from heated wire. The lesson he draws is an approach to life, that any problem is solvable is a good starting point, even when a solution takes a long time. His warning is the inverse, that starting from the belief a problem is unsolvable becomes a self-fulfilling prophecy. 20/ Limp's read on Bezos is the best line on management style in the conversation. He calls Bezos the most tactically impatient and the most strategically patient person he has ever met, an oxymoron that somehow works, and notes that after two and a half years he thinks Bezos now knows more about rockets and rocket engines than about e-commerce. Limp also admits he arrived a skeptic on the claim that Blue Origin could become a bigger business than Amazon and has since become a believer, which is the candid version of the bet the whole conversation is selling.

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Alex
Alex@TickerSymbolYOU·
Jeff Bezos at VivaTech 2026: the future of cloud is in orbit. • Constant power via sun-sync orbit • Infinite cooling • The only question: cost. The question for investors is when, not if. Let’s see who gets there first.
Alex tweet media
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Fireside Alpha
Fireside Alpha@firesidealpha·
Jeff Bezos: The Moon is a gift "It's so near Earth. We can get there in 3.5 days. We can return in 3.5 days. You can go anytime you want. You don't have to wait for the planetary alignment to be just right. You can only go to Mars every two years or so... And then the Moon's gravity well is so much lower than the Earth's that when you get materials from the Moon, you can lift them off the Moon with 28x less energy per kilogram than is needed to lift something off the Earth... And that's a really valuable thing if you are producing liquid oxygen for example on the Moon, lifting that into space is very easy compared to lifting liquid oxygen off of Earth... So as we go about exploring the solar system which we will do and as we build colonies on Mars and so on, the Moon is an important first step."
Fireside Alpha@firesidealpha

Great fireside. Jeff Bezos (@JeffBezos) and Dave Limp (@davill) w/ host Mike Massimino (@Astro_Mike). Discussion centered around cost of launch as the key variable for things like orbital data centers to off-planet heavy industry, and more. Relevant for $SPCX. Notes below: 1/ The launchpad explosion was a gut punch that barely moved the timeline, and the recovery itself is the culture argument. Bezos says the long-lead items that usually set a schedule, the propellant tank farm holding liquid hydrogen and liquid oxygen, survived, and a booster sitting in the nearby integration facility took shrapnel but lived. Blue Origin pulled in 400 pieces of heavy equipment from a construction crew down the road working around the clock, cleared the debris, and started rebuilding the day before this talk. He still commits to flying New Glenn again before the end of the year, which makes the failure a stress test of the team rather than a reset of the program. 2/ The entire thesis is that space needs the same cheap shared infrastructure the internet had, so small players can do big things. Bezos frames Blue Origin's job as building the road to space, the heavy infrastructure other companies ride, the way global networks let two kids in a dorm room build a giant company over the last two and a half decades. The cost of admission to space is still very high, and lowering it is the precondition for any dynamic space economy. From an investment standpoint, the read is that he is positioning Blue Origin as a picks-and-shovels layer, not a single end product. 3/ Demand for launch is the proof the space economy is real, and the constraint is supply, not demand. Bezos calls demand for launch insatiable right now, with a tremendous backlog already on the books and every launch company in the same position. He names the drivers as LEO communications, national security missions, and, ahead, orbital compute and lunar resources. His one-line summary, that they are supply constrained and not demand constrained, is the cleanest signal in the whole conversation for where the bottleneck and the pricing power sit. 4/ Launch cost runs on a virtuous circle, and reusability plus rate manufacturing is how you spin it. Bezos lays out the loop directly: expensive launch forces satellites to carry long lifetimes and high cost, cheaper launch lets satellites get cheaper, cheaper satellites drive more launch demand, more demand means more practice, and practice drives cost down again. Reusable boosters are the entry point because a booster that lands can be reused many times, and rate manufacturing keeps the flywheel fed. He is explicit that you cannot count on the exact timing, only the direction. 5/ The hard part is not building one rocket, it is building the machine that builds the machines. Limp, who says he came from consumer electronics and has done aerospace for two and a half years, argues that any single engine or rocket is tractable, and that the factories pushing them out at rate are what take time and thought. Blue Origin is standing up an engine factory in Huntsville and a rocket factory in Orlando, with heavy vertical integration down to raw materials. The stated goal is a hundred flights a year, which means a hundred second stages and hundreds of engines, so the factory is the product. Bezos adds that a BE-4 engine now comes off the line every four days. 6/ Rocket engines live right at the limit of physics, and the BE-7 just set a multi-decade endurance record. Bezos puts main combustion chamber temperatures at 5,000 to 6,000 degrees Fahrenheit, past the melting point of any material, which forces lightweight high-performance turbo pumps and regeneratively cooled channels just to keep the hardware intact. The BE-7, the roughly 10,000-pound-thrust lunar lander engine, ran continuously for 41 minutes, beating a 36-minute space shuttle main engine test from about 30 years ago. He frames reliability on that engine as paramount because it is what lands humans on the moon. 7/ Choosing liquid hydrogen for the lander is a bet on refueling from lunar ice, not just on performance. Bezos explains that liquid hydrogen outperforms hydrocarbon fuels but is so low in density it would make a booster stage gigantic, so it earns its place on upper stages, the same split the Apollo Saturn V used. The forward-looking reason is that water ice in permanently shadowed craters near the lunar poles can be electrolyzed into liquid oxygen and liquid hydrogen. By matching the lander's fuel to what the moon can produce, he sets up in-situ refueling on the surface rather than hauling every kilogram from Earth. 8/ Moon first is a sequencing discipline, and the moon's case is proximity plus a shallow gravity well. Bezos calls the moon a gift, reachable in three and a half days each way, available anytime rather than on the two-year planetary window Mars demands. The economic hook is that the moon's gravity well is so much lower that lifting materials off it takes 28 times less energy per kilogram than lifting them off Earth, which makes lunar-produced liquid oxygen cheap to move into space. His framing that skipping steps does not actually make you faster is the sequencing argument behind going to the moon before Mars. 9/ Blue Origin's near-term lunar cadence is concrete, and it ramps fast. Limp lays out a Mark 1 lander early next year carrying three metric tons to the surface as a Pathfinder, the largest object ever landed on the moon, then a mid-year Artemis 3 rendezvous with the human-rated Mark 2 lander meeting near 450 kilometers in low Earth orbit, then a second Mark 1 landing NASA's VIPER rover late in the year. He says Artemis 3 was announced the prior week and that an astronaut named Luca from Italy will be on the flight. He stresses these are coming off an assembly line now, and the team is named the lunar permanence group, which signals the intent to stay rather than visit. 10/ As a species we are barely warming up, which is how Bezos frames every timeline. Bezos pushes back on the idea that the world has caught up to Blue Origin, saying that in space terms humanity has not even begun and this is the earliest of early days. He separates the Apollo landings, which he calls a real accomplishment, from the permanence Blue Origin is now after. The investor consequence is patience, because he treats current capability as a starting line, which is consistent with the multi-decade horizon Limp describes him holding. 11/ Apollo was pulled forward in time at an unsustainable price, and Bezos argues now is the affordable moment. He notes the United States spent almost 3 percent of GDP to reach the moon during the race with the Soviets, a level no one would sustain today. His point is that the first lunar program was a geopolitical sprint done before the economics were ready, while the current push can be built on cost-effective, repeatable hardware. His aside that 3 percent of GDP would buy fusion is the same idea sharpened: cost discipline, not raw spending, is the constraint he respects. 12/ A lot of compute is heading to orbit, and Bezos thinks the chips eventually get made there too. He expects compute and solar cells built in space using asteroids, near-Earth objects, and the moon, with answers beamed back to Earth, and says ultimately even the chips the compute runs on get manufactured off-planet. He pairs this with Project Sunrise, an orbital-compute constellation in sun-synchronous orbit. The framing turns space from a launch market into a manufacturing and compute market, which is a far larger pool than payload delivery. 13/ Orbital data centers are a cost question, not a physics question, and Bezos says the lines will cross. He dismisses heat rejection as an easily solvable physics problem and reframes the whole debate as the cost of producing solar cells, satellites, and launch. Project Sunrise sits in sun-synchronous orbit where satellites are in sunlight more than 99 percent of the time, so solar collection runs nearly continuously instead of the half-darkness of a typical 90-minute low Earth orbit. He concedes he does not know exactly when terrestrial and orbital compute costs cross, only that you have to build now to be ready when they do. 14/ Blue Origin is building two constellations aimed at the high end, and the scale is what keeps launch constrained. The high-bandwidth LEO network, TeraWave, is described as fast earth-to-space optical links optimized for enterprises, hyperscalers, and governments, distinct from the consumer focus of Starlink and Amazon's LEO. Its first phase alone is 5,000-plus satellites in LEO plus another hundred in medium Earth orbit, with shells that want to be 5,000 to 20,000 each. Each constellation can absorb hundreds of launches, which is exactly why launch capacity stays the binding constraint. 15/ Prometheus is Bezos's bet that AGI for engineering needs different training data than a language model. He describes Prometheus as a set of tools to let engineers invent and build faster, and says it cannot be done with traditional large language models. His analogy is that an LLM has read the entire corpus of human knowledge and is unbelievably good at symbol manipulation, but reading a thousand books on gymnastics would still leave you a terrible gymnast. Designing real physical objects needs a different kind of training data, so Prometheus is a model built specifically to do engineering. 16/ The payoff Bezos wants from Prometheus is compressing the dream-to-build cycle from a decade to a year. He says a modern jet engine with 10 percent more thrust is a ten-year program even for someone who has built fifty of them, counting design, testing, and standing up the factory. The Prometheus goal is to take that to five years, then three, then two, then one. He ties it back to a civilizational claim, that all wealth comes from invention, from the plow to the steam engine, so accelerating the invention loop compounds into real productivity and prosperity. 17/ Bezos argues AI creates a labor shortage rather than redundancy, because invention is bottlenecked by capability, not ideas. He says he totally disagrees that AI makes humans redundant, and that it instead lets people identify and tackle an endless backlog of problems. His claim is that we are limited today not by imagination but by what we can actually build, and that most good ideas die in someone's head because executing them is too hard. He points to vibe coding as the early version, where he can now write an iOS app in an afternoon, and wants the same speed for physical objects coming off a 3D printer. 18/ Decisiveness is a sorting problem between one-way and two-way doors, and treating every call as irreversible is what slows big companies. Bezos says Blue Origin, now 14,000 to 15,000 people, has to fight the one-size-fits-all thinking that makes every decision feel the same size, using the image of a one-size robe that never fits. Consequential and nearly irreversible decisions should be made slowly and carefully, while reversible ones, even important ones, should be pushed to single individuals with good judgment. He says traditional aerospace gets slow precisely because life-safety-critical missions tempt teams to treat every decision as life-safety-critical. 19/ Resourcefulness still carries full weight, and Bezos frames it as an attitude that any problem is solvable. Asked whether his grandfather's lesson holds in an age of AI, he tells the story of summers on a South Texas ranch from age four to sixteen, repairing bulldozers and even making veterinary needles from heated wire. The lesson he draws is an approach to life, that any problem is solvable is a good starting point, even when a solution takes a long time. His warning is the inverse, that starting from the belief a problem is unsolvable becomes a self-fulfilling prophecy. 20/ Limp's read on Bezos is the best line on management style in the conversation. He calls Bezos the most tactically impatient and the most strategically patient person he has ever met, an oxymoron that somehow works, and notes that after two and a half years he thinks Bezos now knows more about rockets and rocket engines than about e-commerce. Limp also admits he arrived a skeptic on the claim that Blue Origin could become a bigger business than Amazon and has since become a believer, which is the candid version of the bet the whole conversation is selling.

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Fireside Alpha@firesidealpha·
2/n Also highlighted the changing nature of a software engineer's job, that it is becoming much more about "taste and judgment" vs the classical aspect of it being a "remarkably unforgiving discipline" where if you miss a single comma somewhere, it's simply an error/binary.
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Fireside Alpha@firesidealpha·
Great fireside. Jeff Bezos (@JeffBezos) and Dave Limp (@davill) w/ host Mike Massimino (@Astro_Mike). Discussion centered around cost of launch as the key variable for things like orbital data centers to off-planet heavy industry, and more. Relevant for $SPCX. Notes below: 1/ The launchpad explosion was a gut punch that barely moved the timeline, and the recovery itself is the culture argument. Bezos says the long-lead items that usually set a schedule, the propellant tank farm holding liquid hydrogen and liquid oxygen, survived, and a booster sitting in the nearby integration facility took shrapnel but lived. Blue Origin pulled in 400 pieces of heavy equipment from a construction crew down the road working around the clock, cleared the debris, and started rebuilding the day before this talk. He still commits to flying New Glenn again before the end of the year, which makes the failure a stress test of the team rather than a reset of the program. 2/ The entire thesis is that space needs the same cheap shared infrastructure the internet had, so small players can do big things. Bezos frames Blue Origin's job as building the road to space, the heavy infrastructure other companies ride, the way global networks let two kids in a dorm room build a giant company over the last two and a half decades. The cost of admission to space is still very high, and lowering it is the precondition for any dynamic space economy. From an investment standpoint, the read is that he is positioning Blue Origin as a picks-and-shovels layer, not a single end product. 3/ Demand for launch is the proof the space economy is real, and the constraint is supply, not demand. Bezos calls demand for launch insatiable right now, with a tremendous backlog already on the books and every launch company in the same position. He names the drivers as LEO communications, national security missions, and, ahead, orbital compute and lunar resources. His one-line summary, that they are supply constrained and not demand constrained, is the cleanest signal in the whole conversation for where the bottleneck and the pricing power sit. 4/ Launch cost runs on a virtuous circle, and reusability plus rate manufacturing is how you spin it. Bezos lays out the loop directly: expensive launch forces satellites to carry long lifetimes and high cost, cheaper launch lets satellites get cheaper, cheaper satellites drive more launch demand, more demand means more practice, and practice drives cost down again. Reusable boosters are the entry point because a booster that lands can be reused many times, and rate manufacturing keeps the flywheel fed. He is explicit that you cannot count on the exact timing, only the direction. 5/ The hard part is not building one rocket, it is building the machine that builds the machines. Limp, who says he came from consumer electronics and has done aerospace for two and a half years, argues that any single engine or rocket is tractable, and that the factories pushing them out at rate are what take time and thought. Blue Origin is standing up an engine factory in Huntsville and a rocket factory in Orlando, with heavy vertical integration down to raw materials. The stated goal is a hundred flights a year, which means a hundred second stages and hundreds of engines, so the factory is the product. Bezos adds that a BE-4 engine now comes off the line every four days. 6/ Rocket engines live right at the limit of physics, and the BE-7 just set a multi-decade endurance record. Bezos puts main combustion chamber temperatures at 5,000 to 6,000 degrees Fahrenheit, past the melting point of any material, which forces lightweight high-performance turbo pumps and regeneratively cooled channels just to keep the hardware intact. The BE-7, the roughly 10,000-pound-thrust lunar lander engine, ran continuously for 41 minutes, beating a 36-minute space shuttle main engine test from about 30 years ago. He frames reliability on that engine as paramount because it is what lands humans on the moon. 7/ Choosing liquid hydrogen for the lander is a bet on refueling from lunar ice, not just on performance. Bezos explains that liquid hydrogen outperforms hydrocarbon fuels but is so low in density it would make a booster stage gigantic, so it earns its place on upper stages, the same split the Apollo Saturn V used. The forward-looking reason is that water ice in permanently shadowed craters near the lunar poles can be electrolyzed into liquid oxygen and liquid hydrogen. By matching the lander's fuel to what the moon can produce, he sets up in-situ refueling on the surface rather than hauling every kilogram from Earth. 8/ Moon first is a sequencing discipline, and the moon's case is proximity plus a shallow gravity well. Bezos calls the moon a gift, reachable in three and a half days each way, available anytime rather than on the two-year planetary window Mars demands. The economic hook is that the moon's gravity well is so much lower that lifting materials off it takes 28 times less energy per kilogram than lifting them off Earth, which makes lunar-produced liquid oxygen cheap to move into space. His framing that skipping steps does not actually make you faster is the sequencing argument behind going to the moon before Mars. 9/ Blue Origin's near-term lunar cadence is concrete, and it ramps fast. Limp lays out a Mark 1 lander early next year carrying three metric tons to the surface as a Pathfinder, the largest object ever landed on the moon, then a mid-year Artemis 3 rendezvous with the human-rated Mark 2 lander meeting near 450 kilometers in low Earth orbit, then a second Mark 1 landing NASA's VIPER rover late in the year. He says Artemis 3 was announced the prior week and that an astronaut named Luca from Italy will be on the flight. He stresses these are coming off an assembly line now, and the team is named the lunar permanence group, which signals the intent to stay rather than visit. 10/ As a species we are barely warming up, which is how Bezos frames every timeline. Bezos pushes back on the idea that the world has caught up to Blue Origin, saying that in space terms humanity has not even begun and this is the earliest of early days. He separates the Apollo landings, which he calls a real accomplishment, from the permanence Blue Origin is now after. The investor consequence is patience, because he treats current capability as a starting line, which is consistent with the multi-decade horizon Limp describes him holding. 11/ Apollo was pulled forward in time at an unsustainable price, and Bezos argues now is the affordable moment. He notes the United States spent almost 3 percent of GDP to reach the moon during the race with the Soviets, a level no one would sustain today. His point is that the first lunar program was a geopolitical sprint done before the economics were ready, while the current push can be built on cost-effective, repeatable hardware. His aside that 3 percent of GDP would buy fusion is the same idea sharpened: cost discipline, not raw spending, is the constraint he respects. 12/ A lot of compute is heading to orbit, and Bezos thinks the chips eventually get made there too. He expects compute and solar cells built in space using asteroids, near-Earth objects, and the moon, with answers beamed back to Earth, and says ultimately even the chips the compute runs on get manufactured off-planet. He pairs this with Project Sunrise, an orbital-compute constellation in sun-synchronous orbit. The framing turns space from a launch market into a manufacturing and compute market, which is a far larger pool than payload delivery. 13/ Orbital data centers are a cost question, not a physics question, and Bezos says the lines will cross. He dismisses heat rejection as an easily solvable physics problem and reframes the whole debate as the cost of producing solar cells, satellites, and launch. Project Sunrise sits in sun-synchronous orbit where satellites are in sunlight more than 99 percent of the time, so solar collection runs nearly continuously instead of the half-darkness of a typical 90-minute low Earth orbit. He concedes he does not know exactly when terrestrial and orbital compute costs cross, only that you have to build now to be ready when they do. 14/ Blue Origin is building two constellations aimed at the high end, and the scale is what keeps launch constrained. The high-bandwidth LEO network, TeraWave, is described as fast earth-to-space optical links optimized for enterprises, hyperscalers, and governments, distinct from the consumer focus of Starlink and Amazon's LEO. Its first phase alone is 5,000-plus satellites in LEO plus another hundred in medium Earth orbit, with shells that want to be 5,000 to 20,000 each. Each constellation can absorb hundreds of launches, which is exactly why launch capacity stays the binding constraint. 15/ Prometheus is Bezos's bet that AGI for engineering needs different training data than a language model. He describes Prometheus as a set of tools to let engineers invent and build faster, and says it cannot be done with traditional large language models. His analogy is that an LLM has read the entire corpus of human knowledge and is unbelievably good at symbol manipulation, but reading a thousand books on gymnastics would still leave you a terrible gymnast. Designing real physical objects needs a different kind of training data, so Prometheus is a model built specifically to do engineering. 16/ The payoff Bezos wants from Prometheus is compressing the dream-to-build cycle from a decade to a year. He says a modern jet engine with 10 percent more thrust is a ten-year program even for someone who has built fifty of them, counting design, testing, and standing up the factory. The Prometheus goal is to take that to five years, then three, then two, then one. He ties it back to a civilizational claim, that all wealth comes from invention, from the plow to the steam engine, so accelerating the invention loop compounds into real productivity and prosperity. 17/ Bezos argues AI creates a labor shortage rather than redundancy, because invention is bottlenecked by capability, not ideas. He says he totally disagrees that AI makes humans redundant, and that it instead lets people identify and tackle an endless backlog of problems. His claim is that we are limited today not by imagination but by what we can actually build, and that most good ideas die in someone's head because executing them is too hard. He points to vibe coding as the early version, where he can now write an iOS app in an afternoon, and wants the same speed for physical objects coming off a 3D printer. 18/ Decisiveness is a sorting problem between one-way and two-way doors, and treating every call as irreversible is what slows big companies. Bezos says Blue Origin, now 14,000 to 15,000 people, has to fight the one-size-fits-all thinking that makes every decision feel the same size, using the image of a one-size robe that never fits. Consequential and nearly irreversible decisions should be made slowly and carefully, while reversible ones, even important ones, should be pushed to single individuals with good judgment. He says traditional aerospace gets slow precisely because life-safety-critical missions tempt teams to treat every decision as life-safety-critical. 19/ Resourcefulness still carries full weight, and Bezos frames it as an attitude that any problem is solvable. Asked whether his grandfather's lesson holds in an age of AI, he tells the story of summers on a South Texas ranch from age four to sixteen, repairing bulldozers and even making veterinary needles from heated wire. The lesson he draws is an approach to life, that any problem is solvable is a good starting point, even when a solution takes a long time. His warning is the inverse, that starting from the belief a problem is unsolvable becomes a self-fulfilling prophecy. 20/ Limp's read on Bezos is the best line on management style in the conversation. He calls Bezos the most tactically impatient and the most strategically patient person he has ever met, an oxymoron that somehow works, and notes that after two and a half years he thinks Bezos now knows more about rockets and rocket engines than about e-commerce. Limp also admits he arrived a skeptic on the claim that Blue Origin could become a bigger business than Amazon and has since become a believer, which is the candid version of the bet the whole conversation is selling.
Mike Massimino@Astro_Mike

I’m looking forward to moderating this discussion about @blueorigin, lunar exploration, and more with @JeffBezos and @davill tomorrow at @VivaTech in Paris!

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Fireside Alpha@firesidealpha·
"Google made very conservative design choices with the TPU 8. Nvidia and Trainium made very aggressive design choices. So Trainium for sure is the most underestimated. Not only because of the design choices but because all of these frontier models are called mixture-of-expert models. And to inference one of these, you need something called a switched scale-up network. And the only two functioning switched scale-up networks in the world today are the ones that power NVDA's GPUs and AMZN's Trainiums."
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Fireside Alpha@firesidealpha·
Right on cue. Gavin Baker (@GavinSBaker, Atreides) was asked recently which chip was most underrated and where consensus was wrong. His reply: "Trainium by far. Trainium is going to be to 2026, especially in the 2H of this year when Trainium 3 really ramps, as TPUs were to 2025."
Wall St Engine@wallstengine

Amazon is seeing more interest in its Trainium and Inferentia chips as companies look beyond a single-vendor Nvidia GPU strategy, per The Information. The main appeal is cost, with some inference workloads reportedly up to 80% cheaper vs H100s. Amazon is also discussing ways to bring its AI chips closer to enterprise data centers, though Inferentia is not yet ready for AWS Outposts testing.

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Fireside Alpha@firesidealpha·
Always a must-listen. Gavin Baker (@GavinSBaker of Atreides) broke down the SpaceX IPO, orbital compute, retail, China, and where AI value accrues, on @tbpn (~0:35 to 1:10 min mark). Here were the biggest takeaways: 1. The orbital-compute math is starting to pencil out. Gavin's version: a gigawatt costs about 60 billion to build on Earth, and 25 billion of that is the power and cooling you do not need in space. Once Starship is reusable he puts a launch at about 5 billion, so a gigawatt in orbit lands near 30 billion against 60 on the ground. The half he expects to keep inflating is the power and cooling, which only widens the gap over time. 2. The near-term SpaceX story is terrestrial compute, not Mars. Gavin is genuinely excited for asteroid mining and a city on the moon, but says the tangible drivers over the next year are how fast SpaceX can bring gigawatts online and how richly it monetizes them. He points to roughly 50 billion a gigawatt on the Google deal and, per the Altimeter work, 2 to 3 times neocloud pricing, and notes that in Jensen's words SpaceX energizes data centers faster than anyone. 3. SpaceX looks confident it can bring compute online fast. Gavin cites the Altimeter figure that SpaceX has ordered 20% of Nvidia's Rubin chips, with Groq's LPUs integrating over the next six to nine months. He reads the Anthropic deal as having an out and possibly running short-term, reflecting the training-versus-inference tension, and argues that being a token factory is more than enough for the next five to ten years, so SpaceX has no need to rebuild a full AWS unless it chooses to. 4. Cursor is the other variable he is watching. He flags Cursor's Composer 2.5 becoming roughly Pareto-dominant after a few weeks of reinforcement learning and fine-tuning, asks what happens when that approach meets a bigger base model, and finds it telling that Cursor is now in half the Fortune 500. 5. Retail keeps beating the pros who dismiss it. When people use "retail" as a pejorative, Gavin flips it back on them with "stupid is as stupid does," meaning you judge by results, not labels. The retail-favorite indices are up a lot in both 2024 and 2025, and by his read retail is outperforming the overwhelming majority of professional managers across private equity, venture, and public equity. He calls it the most powerful force in the market in his career, while drawing a hard line that this is nothing like the year 2000 bubble. 6. The lockup-overhang fear is overstated. Over 10,000 SpaceX employees bought on the IPO, and Gavin notes that anyone on the cap table has had a chance to sell every six months for the last decade. The people who wanted liquidity already took it, in his read, which is why he thinks the supply and demand picture from here is more interesting than the standard lockup analysis suggests. 7. Public markets are more patient than venture believes. Looking at how the market treated Tesla and Amazon through their heavy build-out years, Gavin argues the public market has a much greater tolerance for investment and a much longer time horizon than a lot of people in the venture ecosystem give it credit for. 8. His "token path" framework, and where CDNs sit in it. Value accrues to whatever sits in the flow of AI tokens. Cloudflare and Akamai are partly there, and he cites Akamai's roughly 1.8 billion dollar Anthropic deal plus a premium for low-latency delivery, since the lesson from Cerebras is that people pay for speed. But he notes CDNs touch less than 1% of all tokens consumed, maybe under 10 basis points, because most inference happens internally. Asked what is fully in the path, he joked: beachfront property, airplanes, and really nice cars. 9. The bottleneck trade is ending. For the last year, in Gavin's telling, the game was "having Claude run what's the next bottleneck." He thinks that trade is nearly done, pointing to Ajinomoto, the Japanese chip-input supplier the bottleneck crowd had bid up, which then chose not to raise prices. The next game, in his framing, is what holds enduring franchise value on the other side of the bottlenecks. 10. The market doubts Meta can monetize its own assets. Gavin increasingly values these companies on enterprise value to net property, plant, and equipment, a "high asset value, low obsolescence" lens. Meta's multiple there says the market has immense skepticism about its ability to monetize its asset base, and he thinks that skepticism is warranted given that the main thing management has offered so far is the idea of personal superintelligence. 11. The industry is behaving like the end game has arrived. Gavin reads the way players are moving as a sign the end game may be here sooner than expected. His take on OpenAI cutting Codex pricing is that coding tokens are so valuable for getting into the recursive self-improvement loop that everyone is racing for them, and he says Zuckerberg feels that acutely. 12. China's distillation edge is real but fragile. Chinese labs are world-class at industrial-scale distillation, and Gavin relays that it took only about 160,000 reasoning traces from o1 and o3 to reconstruct the original DeepSeek, run through endpoints across every available API. His warning is that all of it goes away the moment American labs stop releasing models at the frontier. 13. Sovereign AI will not reach the frontier. Every country will want a sovereign strategy for national defense, but Gavin's read is that for everyone outside the United States and China it means reinforcement learning on your language, culture, and values, run on the best open-source model inside your own data centers. Frontier-grade sovereign AI is the one outcome he does not see happening. 14. SpaceX may be the most important company of his lifetime. Gavin frames it as a once-in-a-career investment, possibly the most important company ever, and recommends seeing a launch in person, where "a lot of people cry." He notes he owned 15% of Nvidia and 10% of Tesla when each was sub-2-billion in market cap, and puts SpaceX in that same rare category.
TBPN@tbpn

Happy Monday. On today's show: - @NoBickal (UFC) - @GavinSBaker (Atreides) - @leifthunder (Public) - @rfvivas (AppLovin) - @aginnt (Hydra Host) See you on the stream.

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Fireside Alpha@firesidealpha·
$ASML investors and those downstream, worth a read/save here. Christophe Fouquet (CEO, ASML) on Bloomberg today. He tied one idea across topics like the AI buildout, space data centers, Musk's terafab, and India: capacity is the binding constraint. Notes below (video in reply): 1/ Sovereignty is downstream of innovation, so a region cannot decree it without first building the thing worth protecting. Fouquet argues the word sovereignty became a fixation because regions realized that without a large enough share of a strategic ecosystem they sit at the goodwill of other parties. His correction is about sequence rather than ambition, because wanting sovereignty does nothing until innovation actually happens inside your borders. He frames the group ASML helped create as the channel for telling governments how to build those conditions, not as a request for protection. 2/ Europe's real leverage in AI is that it is a buyer, not a maker, and the size of that demand is the asset. Fouquet puts the European market at 22 percent of global GDP and calls it mature and attractive, which makes Europe a heavy user that purchases a great deal of technology. The strategic move he draws from that is to start where Europe already has weight, the demand side, and build industrial projects around AI applications and AI products first. He sequences chip design and chip manufacturing as later steps, after the market position is anchored. 3/ A two-nanometer fab in Europe would mostly ship its wafers to the United States, which is why manufacturing is the wrong place for Europe to start. Fouquet says semiconductor manufacturing only makes sense once you have buyers for the semiconductors, so capacity without local demand exports its own output. He concedes the manufacturing gap is real while arguing it is not where the sequence should begin. The order he insists on is market demand first, then applications and products, then design, then fabrication. 4/ On the AI race scored one to ten, the United States is the clear winner across the whole stack, China is aggressive on application, and Europe is behind. Fouquet calls the US a champion across the entire AI and semiconductor ecosystem when measured end to end. He credits China with investing across the ecosystem too, strongest on the application side and driving AI adoption more aggressively than any other country, weaker on the layers underneath. Europe, in his telling, sits clearly behind what is happening elsewhere today, with the gap obvious. 5/ The United States closed its one weak spot, manufacturing, by being aggressive, and it can do that because it buys 80 percent of the world's advanced chips. Fouquet identifies manufacturing as the place the US was missing and credits an aggressive push to bring key companies to build domestically. The mechanism he points to is demand, because 80 percent of advanced chips made worldwide are bought by the United States. Purchasing power, in his framing, is what lets a country pull manufacturing onto its own soil. 6/ The market will stay supply limited for AI and semiconductors for several years because the infrastructure buildup is enormous. Fouquet says worldwide demand for AI infrastructure is still enormous and that demand for AGI-era computers is starting to arrive on top of it. He reads the SpaceX, OpenAI, and Anthropic IPOs the host raised as signals pointing to the size of the AI opportunity rather than as the cause of the spend. The conclusion he draws is a multi-year stretch where supply, not demand, sets the ceiling. 7/ The semiconductor industry hesitated while AI companies asked for capacity, then moved fast at the end of last year, and catching up will take time. Fouquet recalls AI companies being vocal about the need for capacity a year ago while his own industry stayed hesitant to commit. The shift happened at the end of last year and happened quickly, which now forces customers to build fabs and forces ASML to build enough equipment to fill them. He separates the infrastructure race from the application wave he expects to follow it. 8/ Customers are extending their order visibility further out, which Fouquet reads as the demand being durable rather than a spike. He describes customers giving longer-term visibility and telling ASML the buildout is here to stay. The signal he takes from that is a strong underlying demand trend rather than a pull-forward that empties future quarters. Longer visibility, in his account, is the customer base committing to the cycle rather than front-loading it. 9/ Data centers in space would not raise the number of data centers the world needs, because the idea is really about energy, not capacity. Fouquet says the total amount of compute does not change whether the racks sit in orbit or on the ground. The reason the space discussion exists, in his framing, is to attack a different bottleneck in the ecosystem, energy availability for data centers. He treats orbit as a proposed answer to power and cooling rather than a new source of demand for lithography. 10/ Musk's terafab is one example of a class of very large fab projects, and Korea's DRAM buildout already runs to millions of wafers. Fouquet calls any added capacity a potential upside for ASML while stressing they are watching when and how fast such projects actually move. He points to DRAM projects in Korea that already involve millions of wafers as proof that the terafab is not a category of one. New projects are opportunities, he adds, as long as they are not supply limited themselves. 11/ ASML answers China-shipping rumors with a compliance posture rather than a rebuttal, and the same rule applies to DUV and EUV alike. Asked about a House China Committee letter from April claiming ASML would start shipping DUV machines into China, Fouquet declines to treat it as something to respond to and says the company maintains a dialogue with every government. He says ASML has followed every rule, has changed its behavior whenever the rules changed, and stays cautious about following the rule of law. The standard, he insists, covers DUV, EUV, and any activity in China or anywhere else. 12/ India is a five-to-ten-year growth story for ASML because the country expects to consume 10 percent of all chips by 2030 and wants to make its own. Fouquet says India has no semiconductor manufacturing today, yet by 2030 expects 10 percent of all chips to be used there, which turns supply into a strategic question for the country. The Tata partnership puts ASML in from the very beginning, with the first fab arriving next year and a long learning curve to accelerate. He frames the payoff over the next five and ten years rather than the next two, which is why starting now matters to him.
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Fireside Alpha@firesidealpha·
6/ A reminder on how hard and humbling the job is. Being 53% right with the correct sizing is top tier. Winning 53% of tennis points is Novak/Roger-level match win%. Hats off to these guys and gals, gotta take incredible mental resiliency and even physical fortitude to work there. "Imagine going to your surgeon, he goes, yea about 53% of my patients live."
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Fireside Alpha@firesidealpha·
5/ Takes from the NYer profile here. Absolutely ruthless, an ultimate capitalist: x.com/firesidealpha/…
Fireside Alpha@firesidealpha

Highlighting a profile on Ken Griffin, the ~$50B Citadel founder, by The New Yorker: the alpha factory, the Mamdani feud, the Chicago exit, art, and a possible run. Worth the read/motivation to start the day, otherwise here's the tldr: 1. The scale. The piece frames Griffin, worth about $50 billion, as the most successful Wall Street entrepreneur of his generation, having built two separate money machines, the hedge fund Citadel and the market maker Citadel Securities. Forbes still ranks him only 37th-richest in the world, behind the tech founders who top the list. 2. The numbers behind the empire. Citadel's fund manages $68 billion, more than $19 billion of it Griffin's and his colleagues' own money. He owns at least 75% of Citadel Securities, which trades more than $170 trillion a year and booked $12.2 billion of revenue and $5.4 billion of net income in 2025. Bloomberg estimates the market maker is nearly half his net worth, which has tripled in six years. 3. The Mamdani feud showed his command of the outrage machine. After Mayor Zohran Mamdani's pieds-a-terre-tax video singled out Griffin as the owner of the $238 million Central Park South penthouse he bought in 2019, the priciest US home ever sold, Griffin fought back hard even though he lives in Miami and owns at least eleven homes worldwide. Citadel floated canceling a New York tower, allies at the Washington Post and a co-developer piled on, and Mamdani partly retreated. 4. The edge is relentless, unsentimental reinvention. Griffin has never claimed to be a math savant like Jim Simons or a long-term picker like Warren Buffett. The piece argues his mission is to build finance businesses that update their strategy, technology, and people so relentlessly that they beat rivals over decades, taking ideas just beginning to circulate and improving them with math or data others have not used. 5. He actually means the cliche everyone repeats. His retired deputy James Yeh told the magazine that almost every executive claims to never rest on their laurels, but ninety-nine percent do not mean it, and Ken does. The biggest risk at Citadel, by its own tenets, is complacency, and the stated objective is not only profit but beating rivals. 6. The fee model is a high-wire act. Instead of the traditional 2% management fee, Citadel charges pass-through fees that have reached about 12%, which lets it outspend rivals on talent and technology. It also finances more than $300 billion of assets with heavy leverage, which magnifies returns but means even a modest loss can force a scramble for cash. A large rival, Jain Global, recently foundered partly on that same model. 7. The plumbing is the moat. Early on Citadel cut out the prime brokers and began self-clearing its own trades, a speed edge that proved pivotal in the digital era and let it know its exact position every minute during the 2008 crisis. It also pioneered the pod shop, independent teams of a manager plus a few analysts, where winning pods get more capital and floundering ones are shut. 8. The culture runs on fear and churn. Former employees describe constant turnover, one keeping a "Book of Souls" of fifty departed colleagues in six years, and Griffin reviewing staff emails when he suspects a leak. A former executive said Ken's way of fixing weak performance was some turnover, because there needed to be some fear in the organization. Even so, most ex-employees come away grateful, since new hires get real responsibility fast and about half the portfolio managers rose from junior roles. 9. Citadel nearly died in 2008. The main fund fell 55%, and Griffin says the firm would have collapsed had Morgan Stanley failed. The damage came not from subprime exposure but from supposedly safe, uncorrelated bets all moving together in the panic. Griffin and partners put $500 million back in, refused to take a fifth of profits until the fund returned to its pre-crash high, and chose not to shut down and restart, the move Buffett had criticized other managers for. 10. Citadel Securities quietly became a giant. The market maker now handles about a quarter of all US stock trading and roughly 30% of equity options, coined the term high-frequency trading, and built fibre-optic speed advantages. It once paid a $22.6 million SEC fine for failing to get certain clients the best price about 3% of the time between 2007 and 2010, and it was valued at $22 billion in 2022 and is likely worth far more now. 11. The retail-trading engine draws the loudest criticism. Citadel Securities pays roughly $1 billion a year to brokers like Robinhood for the right to fill amateur orders, which funds commission-free trading but which critics call a kickback that pushes inexperienced people into risky bets. Forty percent of the retail options it handles are all-or-nothing same-day contracts, and Europe is banning the practice this month. During the 2021 GameStop frenzy, Citadel grave-danced into the wounded short-seller Melvin Capital. 12. The track record is historic, and now fading. Citadel has returned about 19% a year on average since 1990 with only two down years, and 23% a year from 2019 to 2024 with none, which one ranking firm crowned the most profitable hedge fund of all time. But the fund returned just 10.3% last year, below the industry average for only the second time since 2008, and is up only 3.9% through May against an industry average near 7%. 13. Weather became a profit center. After a stretch of alpha decay around 2015, Griffin ran commodities himself, hired hydrologists and weather specialists, and invested in forecasting technology. The commodities unit then made more than $10 billion across 2022 and 2023, largely by trading European natural gas through the price spike after Russia invaded Ukraine. 14. The origin was an insight about the quality of earnings. Trading in his Harvard dorm in the late 1980s, Griffin noticed that the market maker on the other side of his options trade earned a steadier, higher-quality income than his own risky bets. Chasing that reliable cash flow led him to convertible arbitrage, a satellite dish on his dorm roof for live data, and Citadel's founding in Chicago in 1990. 15. The Chicago exit was a political brawl. Griffin waged what one observer called a years-long blood feud with Illinois Governor J.B. Pritzker, spending more than $54 million to defeat a progressive-tax plan in 2020 and $50 million backing a challenger who was routed in 2022. He called Chicago "like Afghanistan on a good day," cited crime, and moved Citadel to Miami in 2022, drawn partly by the lack of income tax. Bezos and Sergey Brin later followed him there. 16. He spends on politics like a basic unit of currency. Griffin put about $400 million into campaign contributions from 2020 to 2024, ranking among the top federal donors, with his biggest gift this cycle being $2.5 million to Senator Susan Collins. He casts himself as a small-government Reaganite and a kind of shadow Treasury Secretary, backing border enforcement, deregulation, and tax restraint while attacking Trump's tariffs, his pressure on the Fed, and his manufacturing nostalgia. 17. His relationship with Trump is calculated. The Wall Street Journal once called him Wall Street's loudest Trump critic, yet he has never given to a Trump campaign, gave $1 million to the 2025 inauguration and $500,000 to Biden's, and voted for Trump in 2024 without enthusiasm. ProPublica found he paid an average 29.2% tax rate from 2013 to 2018, far above many tech billionaires, and he once called Jared Kushner with the outline that became Operation Warp Speed. 18. A presidential run hovers, and he keeps it alive. Admirers cast him as the next Jamie Dimon, a Wall Street king who could become a technocratic moderate, and Griffin says he would like to be involved in public service at some future point. The piece notes the obstacles, that no Wall Street figure from Hamilton to Bloomberg ever won the presidency, that a Harvard hedge-funder with a Riviera house unites people across parties in distaste, and that he hates to lose. 19. The spending is on a pharaonic scale. Griffin has put more than $450 million into 27 acres in Palm Beach near Mar-a-Lago, the centerpiece of a roughly $1.5 billion global property portfolio, with a main house built for his mother whose floors required Amish craftsmen. His art holdings almost certainly exceed $2 billion, anchored by a de Kooning he calls one of the most important paintings of the last century, and he owns a $45 million stegosaurus and two of the fourteen surviving original copies of the US Constitution. 20. Griffin sells his businesses as public goods. The New Yorker is not convinced. He argues they democratized finance and made markets cheaper and more liquid, and he has given away more than $2 billion with his name now on more than a dozen museums and seven hospitals. The piece counters with Warren Buffett's warning that hyperactive markets act as "pie shrinkers" and with the unease of watching the best and brightest pulled into trading. Asked whether finance's profitability is justified, Griffin paused and answered, "There is a market."

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Fireside Alpha
Fireside Alpha@firesidealpha·
This dour Ken Griffin quote caught a lot of attention a few weeks ago re AI impact to investing (here) but was interesting to see his comments about the ability for smaller businesses to compete more effectively with incumbents (replies) 1/ "I gotta tell you, I went home one Friday actually fairly depressed by this because you could just see how this was going to have such a dramatic impact on society. And when you witness it within your own four walls, when you see work that used to be man years of work being done in days or weeks, it's like, wow, that's the first time I've seen real impact in our four walls."
The New Yorker@NewYorker

Ken Griffin is, by far, the most successful Wall Street entrepreneur of his generation. Worth about $50 billion, he founded Citadel, one of the biggest hedge funds in the world, and Citadel Securities, a hugely profitable “market maker.” He has never pretended to be a radical innovator or a savant. His mission has always been different: to build finance businesses that update their strategies and infrastructure so relentlessly that they beat rivals not just today but over decades. Given that Griffin lacks a signature trading or investing style, his success can feel both confounding and imitable. But nobody has duplicated his monetary success—or built two separate businesses that are so wildly profitable. In a new Profile, Gary Sernovitz speaks with the hedge-fund titan and 28 of his current and former employees. Read it here: newyorkermag.visitlink.me/JCQD_i

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