Ken Griffin's Citadel posted its strongest monthly performance in years, with its flagship multistrategy Wellington fund returning 5.9% in July, the best result since 2022 and bringing its 2026 gains to 12% [1]. The firm's tactical trading fund and equities fund both achieved their best months ever, with the tactical fund gaining 11.1% in July (up 27% year-to-date) and the equities fund advancing 14.2% (also up 27% in 2026) [1]. These gains followed Citadel's acquisition of the bulk of the public-stock portfolio formerly held by Situational Awareness, a hedge fund founded by former OpenAI researcher Leopold Aschenbrenner, which collapsed after steep losses in artificial intelligence trades triggered margin calls and forced asset sales [1].
Citadel purchased many of the holdings at a significant discount after Situational Awareness was forced to unwind positions due to a sharp reversal in AI trades—specifically, the fund had large stakes in AI infrastructure companies and short positions in software stocks, a strategy that failed as software shares rallied and AI hardware names slumped [1]. Prime brokers worked to reduce positions in an orderly fashion, and Citadel emerged as one of the largest buyers during this forced liquidation, capitalizing on the market dislocation [1].
Stocks such as Nebius and Micron, which were owned by Situational Awareness, rebounded in the final days of July after a difficult month. Many traders described Citadel's intervention as a 'clearing event' that prompted short sellers to take profits [1]. As of July 1, Citadel managed about $71 billion in assets and has a history of deploying capital during periods of market stress [1].
Citadel declined to comment on the performance or the acquisition [1].
CONCLUSION
Citadel's timely acquisition of distressed assets from Situational Awareness fueled record gains across its major funds in July, underscoring its ability to capitalize on market dislocations. The rebound in stocks previously held by Situational Awareness and Citadel's strong performance signal a significant market impact from this event.