How Leopold Aschenbrenner built a $45 billion AI hedge fund — and lost most of it in days

Cnbc · Jul 31, 2026 · 1115 words · By Hugh Son

AI Market Volatility Credibility of AI Futurists Financial Hubris

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Two years ago, Leopold Aschenbrenner argued he was one of few people in the world who saw the future clearly.

Claims checked 21

Techniques found 3

Topics 3

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center100%

Right0%

3 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Two years ago, Leopold Aschenbrenner argued he was one of few people in the world who saw the future clearly.

Why it matters

In a sprawling, 165-page essay that became required reading in Silicon Valley, the former OpenAI researcher positioned himself as a kind of prophet for the coming age of artificial super intelligence.

Common ground

But this week, the limits of Aschenbrenner's vision were on display when the AI-themed hedge fund he runs — named Situational Awareness, also the title of his viral June 2024 manifesto — ran into the harsh reality of tumbling semiconductor stocks and Wall…

Perspective signals

The tension in the story is sharpened by Loaded Language, Name Calling / Labeling, Smears: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

Follow-up questions

What new context would change how readers understand this AI Market Volatility story?
What evidence would most clearly confirm or weaken the claim that By Thursday... the fund's holdings plunged to around $10 billion?
How does this story connect AI Market Volatility with Credibility of AI Futurists over the next few days?

open_in_new Read the original article: https://www.cnbc.com/2026/07/31/leopold-aschenbrenner-situational-awareness-fund…

psychologyPropaganda Techniques Detected

eFinder identified 3 propaganda techniques in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning

Loaded Language 80% confidence

Using words with strong emotional connotations to influence an audience.

Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.

Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

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Name Calling / Labeling 60% confidence

Attaching a negative label to a person or group to reject them without evidence.

Why it matters: Recognizing name calling / labeling helps readers compare the article's framing with the underlying facts and with coverage from other sources.

warning

Smears 70% confidence

Using damaging allegations to undermine a person's reputation.

Why it matters: Recognizing smears helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 21 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

schedule Pending 11

check_circle Corroborated 8

help Insufficient Evidence 2

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Claim 1: “By Thursday... the fund's holdings plunged to around $10 billion”

CORROBORATED

Multiple sources, including a Bloomberg report, state the fund's assets slumped to approximately $10 billion after the sale to Citadel.

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wikipedia NEUTRAL — Aviaco Flight 111 (AO111) was a domestic scheduled flight by Aviaco from Santiago de Compostela to Madrid. On 9 May 1957 the Bristol 170 crashed shortly before landing at Madrid–Barajas Airport, killi…
https://en.wikipedia.org/wiki/Aviaco_Flight_111

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wikipedia NEUTRAL — The Boeing F-15SE Silent Eagle was a modified F-15 Eagle with stealth characteristics, It was a concept developed by Boeing as an export-oriented, stealthier variant of the F-15E Strike Eagle. The F-1…
https://en.wikipedia.org/wiki/Boeing_F-15SE_Silent_Eagle

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wikipedia NEUTRAL — Welcome to the Jungle is a 2026 Indian Hindi-language action adventure comedy film directed by Ahmed Khan, written by Neeraj Vora, and produced by Firoz Nadiadwala, Rakesh Dang, and Vedant Vikaas Baal…
https://en.wikipedia.org/wiki/Welcome_to_the_Jungle_(2026_fi…

+ 3 more evidence sources

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Claim 2: “While at Columbia, he co-founded the school's chapter of Effective Altruism”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 3: “Born in Germany to physician parents before moving to the U.S.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 4: “Situational Awareness racked up gains of more than 1,000% since inception, The Wall Street Journal reported last month.”

CORROBORATED

Multiple sources confirm that the Wall Street Journal reported gains of more than 1,000% since inception.

travel_explore

web search NEUTRAL — Leopold Aschenbrenner's hedge fund, Situational Awareness, lost roughly $35 billion in assets after margin calls from its prime brokers forced a distressed sale of its publicly traded holdings to Ken …
https://qz.com/situational-awareness-hedge-fund-margin-call-…

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web search NEUTRAL — Before this month's decline, Situational Awareness racked up gains of more than 1,000% since inception, the Wall Street Journal reported last month. The Journal said Aschenbrenner was just 24 years ol…
https://netzender.com/how-leopold-aschenbrenner-built-a-45-b…

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web search NEUTRAL — Reports indicate Situational Awareness generated cumulative gains exceeding 1,000% since launch while assets ballooned beyond $20 billion. Bull markets have a way of making conviction look like genius…
https://247wallst.com/investing/2026/08/01/leopold-aschenbre…

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Claim 5: “he wrote a memo to the board warning that the company's security wasn't strong enough to stop foreign espionage, naming China specifically.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 6: “By July of that year, Aschenbrenner parlayed his rising fame into seed capital for his hedge fund, raising a reported $225 million from Stripe co-founders Patrick and John Collison, former GitHub CEO Nat Friedman and investor Daniel Gross.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 7: “In 2023, Aschenbrenner landed on OpenAI's Superalignment team, working under Ilya Sutskever”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 8: “Situational Awareness used as much as 400% leverage”

INSUFFICIENT EVIDENCE

No evidence was found in the provided search results specifying a 400% leverage ratio.

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Claim 9: “At its peak earlier this month, his fund sat atop $45 billion in assets.”

CORROBORATED

Multiple independent web sources explicitly state the fund peaked at $45 billion in assets.

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wikipedia NEUTRAL — Leopold Aschenbrenner (born 2001/2002) is a German artificial intelligence researcher and investor. He was part of OpenAI's "Superalignment" team before he was fired in April 2024 over an alleged info…
https://en.wikipedia.org/wiki/Leopold_Aschenbrenner

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wikipedia NEUTRAL — Situation awareness or situational awareness, is the understanding of an environment, its elements, and how it changes with respect to time or other factors. It is also defined as the perception of th…
https://en.wikipedia.org/wiki/Situation_awareness

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wikipedia NEUTRAL — Delta is a situational awareness and battlefield management system developed by the Ukrainian military services for use in the Russo-Ukrainian War, especially following the 2022 Russian invasion of Uk…
https://en.wikipedia.org/wiki/Delta_(situational_awareness_s…

+ 3 more evidence sources

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Claim 10: “Aschenbrenner — a Columbia University valedictorian at age 19”

CORROBORATED

Web search results explicitly identify Aschenbrenner as a Columbia University valedictorian at age 19.

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wikipedia NEUTRAL — Carl Heinrich Maria Orff (German: [kaʁl ˈʔɔʁf] ; 10 July 1895 – 29 March 1982) was a German composer and music educator who is best known for composing the cantata Carmina Burana and formulating conce…
https://en.wikipedia.org/wiki/Carl_Orff

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wikipedia NEUTRAL — This University of Wisconsin–Madison people in academics consists of notable people who graduated or attended the University of Wisconsin–Madison. Robert Adair, professor emeritus of physics, Yale Un…
https://en.wikipedia.org/wiki/List_of_University_of_Wisconsi…

+ 3 more evidence sources

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Claim 11: “He worked for a stint at the Future Fund, the philanthropic arm of FTX, before the crypto firm's collapse.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 12: “as a teen at Columbia University he garnered attention for an academic paper titled, "Existential Risk and Growth."”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 13: “The Journal noted Aschenbrenner was just 24 years old.”

CORROBORATED

Consistently reported across multiple news sources and a cross-reference (Nypost) that Aschenbrenner is 24 years old.

travel_explore

web search NEUTRAL — After leaving OpenAI, 24-year-old AI prodigy Leopold Aschenbrenner is causing a stir. When he founded the AI-themed hedge fund Situational Awareness two years ago, he had no professional investment ex…
https://eu.36kr.com/en/p/3863471269696772

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web search NEUTRAL — How did we get here? Situational Awareness LP was named for a series of facile essays about machine intelligence published by the improbably named Leopold Aschenbrenner, the 24-year-old mastermind of …
https://www.theverge.com/ai-artificial-intelligence/973467/a…

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web search NEUTRAL — Leopold Aschenbrenner turned a $225 million AI bet into $20+ billion in 18 months, then lost almost all of it.
https://www.youtube.com/watch?v=tRe8AIfLAJc

+ 1 more evidence source

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Claim 14: “being forced to offload all of his leveraged stock bets — including hard-hit names like SK Hynix and CoreWeave — to Ken Griffin's Citadel at a discount”

CORROBORATED

Multiple sources confirm the forced sale of leveraged positions in SK Hynix and CoreWeave to Ken Griffin's Citadel at a discount.

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web search NEUTRAL — On Thursday, Aschenbrenner had sold all of his leveraged investments, including SK Hynix and CoreWeave, to Citadel at a discount. As a result, the fund's assets shrank to around $10 billion.
https://www.livemint.com/market/saviour-or-a-vulture-how-ken…

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web search NEUTRAL — Situational Awareness suffered steep losses on a leveraged AI supply-chain bet, triggering margin calls and a forced sale of its public stock portfolio acquired by Citadel.Its positions in memory make…
https://briefly.co/anchor/Artificial_intelligence/story/asch…

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web search NEUTRAL — In a single transaction, Citadel took the entire public portfolio of Situational Awareness LP: the leveraged longs in Nebius and SanDisk and CoreWeave and SK Hynix, the software shorts that had squeez…
https://www.notesfromthecircus.com/p/situational-awareness

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Claim 15: “In 2024, the company fired Aschenbrenner after accusing him of improperly sharing confidential information”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

help

Claim 16: “his early work experience was at the doomed crypto firm FTX, where he helped now-disgraced founder Sam Bankman-Fried run a charity out of a Bahamas penthouse.”

INSUFFICIENT EVIDENCE

No evidence was found in the provided search results regarding employment at FTX or running a charity in the Bahamas.

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Claim 17: “He skipped several grades in the German school system, graduating high school at age 15”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 18: “the AI-themed hedge fund he runs — named Situational Awareness, also the title of his viral June 2024 manifesto”

CORROBORATED

Multiple web sources confirm Leopold Aschenbrenner runs a hedge fund named Situational Awareness and published a manifesto of the same name in June 2024.

travel_explore

web search NEUTRAL — Discover how Leopold Aschenbrenner turned his 2024 manifesto into Situational Awareness LP — a hedge fund now reporting $5.5B+ in 13F filings focused on energy infrastructure for AI. The real “picks a…
https://www.annacoulling.com/stock-trader-tips/from-viral-es…

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web search NEUTRAL — Leopold Aschenbrenner’s Situational Awareness sells levered book of public investments, sources say. Meanwhile, critics pointed out that Aschenbrenner had no experience running money prior to launchin…
https://livdose.com/leopold-aschenbrenner-situational-awaren…

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web search NEUTRAL — In June 2024, he published a 165-page manifesto titled Situational Awareness: The Decade Ahead. The document argued that while the masses view AI as a mere technological progression, the reality is a …
https://www.latticework.com/p/situational-awareness-meets-va…

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Claim 19: “Aschenbrenner had no experience running money prior to launching his fund in July 2024”

CORROBORATED

Multiple sources state he had no professional money management/investing experience prior to launching the fund in 2024.

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web search NEUTRAL — Who is Leopold Aschenbrenner, and how did his $24B AI hedge fund unravel? Credits: Invezz. From Child Prodigy to Columbia Valedictorian. Leopold Aschenbrenner’s story began in Germany, where he was bo…
https://techstory.in/who-is-leopold-aschenbrenner-the-ai-res…

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web search NEUTRAL — Leopold Aschenbrenner had no professional investing experience when he launched Situational Awareness in 2024.The capital attracted returns. The fund is up more than 1,000% after fees since inception …
https://www.linkedin.com/posts/franchise-for-sale-patrick_a-…

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web search NEUTRAL — Situational Awareness, a hedge fund formed by former OpenAI researcher Leopold Aschenbrenner, has sold the majority of its public stock portfolio to Ken Griffin’s Citadel following steep losses over t…
https://techcrunch.com/2026/07/30/ai-hedge-fund-situational-…

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Claim 20: “Aschenbrenner is engaged to Avital Balwit, chief of staff for Anthropic CEO Dario Amodei”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 21: “about two-thirds of Situational Awareness holdings were in long and short positions in public equities... The rest were stakes in private companies, dominated by a multibillion-dollar Anthropic investment”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.