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Jul 30, 2026

Citadel acquires majority of Situational Awareness hedge fund's stock portfolio following AI sector losses

Ken Griffin's Citadel purchased most of the stock holdings from Situational Awareness, an AI-focused hedge fund founded by former OpenAI researcher Leopold Aschenbrenner, after the fund suffered heavy losses in its technology investments.

Jul 30, 2026·1 source
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Top claims

  • ▪Ken Griffin's Citadel acquired the majority of Situational Awareness's public stock portfolio after Situational Awareness suffered heavy losses in its technology holdings.
  • ▪Situational Awareness, run by former OpenAI researcher Leopold Aschenbrenner, previously managed approximately $20 billion in assets and employed about 20 people.
  • ▪Situational Awareness did not sell its private investment stake in Anthropic as part of the portfolio deal with Citadel.

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