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Former OpenAI Researcher’s Hedge Fund Lost 67 Percent in July. Days Earlier, It Asked Investors for More Money

Business July 31, 2026 at 6:24 PM

Former OpenAI Researcher’s Hedge Fund Lost 67 Percent in July. Days Earlier, It Asked Investors for More Money

Inc.

Leopold Aschenbrenner’s fund was forced to sell most of its $16 billion stock portfolio to Citadel.

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