Aschenbrenner’s tale challenges a notion that markets never forgive and that the world never stops learning: being right does not mean being solvent.
The German-born Aschenbrenner is one of the most peculiar individuals in modern finance. A graduate from Columbia University, Aschenbrenner has been working in OpenAI on safety research. He quit the company in April 2024 and released a 165-page essay called “Situational Awareness: The Decade Ahead” in June of the same year.
In the essay, Aschenbrenner suggested that self-researching AI systems might be developed by approximately 2027; he claimed that data centers and power would be the limiting factors, and that expenses will rise to the trillion-dollar level. It was written like a prophecy, and it was regarded as such in the AI community.
Most prophets write a sequel. Aschenbrenner created a hedge fund named after the essay. Situational Awareness LP was founded in San Francisco in 2024 and is based on the economic effects of the fast development of AGI. The idea was quite clear: the market had not priced in what the essay predicted.
As of the end of 2024, the disclosed US equity exposure of the fund stood at approximately $225 million. This figure had reached some $5.5 billion by early 2026. The fund had all the picks and shovels of the boom, including power and data center/storage stocks, and it also had contrarian views. In the third quarter of 2025, it purchased put options on Nvidia, Broadcom and TSMC, which came as a surprise to those who thought that the essay was merely an investment thesis for AI.
July arrived next. An abrupt drop in the fund’s AI-related stock holdings led to continuous margin calls by Wall Street lenders, reducing its assets from $45 billion in early July to around $10 billion. According to reports, the reason for the drop was attributed to lower AI infrastructure stocks like SK Hynix, and that the fund’s prime brokers were scrambling to raise funds to cover their margin demands. In order to save the fund, he sold off his stock holdings to Ken Griffin’s Citadel to repay the lenders and retain his private investments.
There are some things that should get their facts straight since the episode is open to moralizing. There was nothing in the reporting to suggest that the thesis was disproved. The sell-off was just a funding event; leveraged positions on a crowded theme encountered lenders who demanded their money back.
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A fund may be right about the next decade and still get forced to sell off its positions in a month. The ugly word for this is liquidation; the nicer word is the one Keynes gets credit for, but I wouldn’t guarantee the attribution: markets can remain irrational longer than you can remain solvent.
The episode also brings up the difference between two skills. Predicting a technology and managing a balance sheet are separate skills and the former doesn’t prepare you for the latter. Those who need to be pleased by the fund manager during a crisis are the prime brokers, and prime brokers are concerned with collateral, not conviction. Even a 24-year-old with a remarkable record and a viral thesis was subject to the same mathematics as everybody else.
It would be equally incorrect to characterize it as a joke. The fund is still around; its Q1 2026 filing showed 34 holdings, and its asset value is estimated at close to $9 billion, so even before the July events, it was already a serious organization.
According to one market overview, the fund is still up by about 78-80% for the year despite the drawdown and is invested privately in Anthropic via its May 2026 financing; the latter is an estimated figure, not an audited one. And shortly after the near-collapse event, it made a $400 million private investment, taking its total investment in the same company to $500 million. That is how a man behaves when he changes his instruments but not his principles.
So what can one conclude from it? Firstly, concentration is a gamble on being early and on surviving the wait. Secondly, leverage changes a prediction for a decade into a bet on the next quarter. Thirdly, the move towards privately owned investments that cannot be margin called away from him in a bad week could be the most important lesson that he has learned.
Aschenbrenner is neither a warning example nor a proven prophet. He is a young investor who learned, through public means, in huge amounts, what older investors learn in private, in smaller amounts. In the next section, it will become clear whether he will turn out to be a warning example or a long-lasting investor. Whatever happens, the conclusion remains valid: the future is a place where you need to be able to afford to get to.
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