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Bloomberg

AlphaQuest Founder Lost Control at Quant Fund, Investor Alleges

Friday, July 10, 2026


Nigol Koulajian, founder of the $2 billion quantitative hedge fund AlphaQuest, admitted to losing control of trading operations before announcing the fund's closure, according to a lawsuit filed by an institutional investor. The investor's complaint alleges specific circumstances around the loss of control but does not specify the timeline or operational details. Koulajian announced plans to shut down the fund following the alleged admission. The lawsuit was filed in connection with the fund's closure.

Original reporting: https://www.bloomberg.com/news/articles/2026-07-10/alphaquest-founder-lost-control-at-quant-fund-investor-alleges

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