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Ex-Brevan Howard trader sued by quant who joined his new fund

Reported by Opalesque ·Bloomberg ·Livemint
Oct 21, 2026· 1 min read
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Key Takeaways
  • • Former Brevan Howard Asset Management portfolio manager Robert Sicari is accused of withholding millions of dollars in promised trading profits from a former colleague who joined his new fund.
  • • Wooyoung Hong, a quantitative researcher who worked under Sicari at Brevan Howard, filed a complaint over the withheld payments.
  • • The suit concerns compensation tied to trading profits, a dispute of interest to hedge fund managers and allocators tracking talent and pay arrangements.
Summary
Robert Sicari, a former portfolio manager at Brevan Howard Asset Management, is accused of withholding millions of dollars in trading profits that he had promised to a former colleague who joined his new fund. According to the source summary, the complaint was filed by Wooyoung Hong, who worked under Sicari at Brevan Howard as a quantitative researcher.

Bloomberg and Livemint have also reported the lawsuit under similar headlines. The available coverage does not provide further detail on the amounts claimed, the fund's name, or the defendant's response.

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Sources

3 outlets

AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Opalesque Ex-Brevan Howard trader sued by quant who joined his new fund Bloomberg Ex-Brevan Howard Trader Sued by Quant Who Joined New Fund Livemint Ex-Brevan Howard Trader Sued by Quant Who Joined His New Fund