John Overdeck
Hedge funds · Palm Beach, Florida
Net worth
$9.3B
Today
+$354+0.00%Past month
+$476K+0.01%As of Nov 11, 2026, 1:50 PM EST
John Overdeck is the cofounder of Two Sigma, a quantitative investing powerhouse with more than $75 billion in assets under management. Two Sigma's largest business is a data-driven hedge fund that absorbs large amounts of information to predict the prices of securities. Overdeck and David Siegel, also a billionaire, transitioned from co-CEOs to co-chairmen of the firm in 2024, but Overdeck returned to its management committee in 2025. Overdeck has given over $500 million through his family's charitable foundation, which supports education, and he chairs Princeton's Institute for Advanced Study. Overdeck was a math prodigy who won a silver medal at the International Mathematical Olympiad at age 16.
Net worth over time
Principal holdings
1 positions| Company | Industry | Share | Value |
|---|---|---|---|
Private holdings | Finance & Investments | 100.0% | $9.3B |