Two Sigma Lost ‘Major Investor’ in Founders’ Feud, Overdeck Says

John Overdeck, billionaire co-founder of Two Sigma Investments, said the quantitative hedge fund lost a major investor as a result of his dispute with co-founder David Siegel. Overdeck did not specify the identity of the investor or the size of the withdrawal. The nature of the disagreement between Overdeck and Siegel was not detailed.

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