TP
Thomas Peterffy
United States · Financial Services · Interactive Brokers
Estimated Net Worth
$15.40B
Per Forbes, 2026 — not a live figure
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About Thomas
A Hungarian immigrant who arrived in the US in 1965, he pioneered computerized trading on Wall Street and founded what became Interactive Brokers in 1993, serving as its CEO until 2019.
Thomas Peterffyisn't part of our live-tracked core roster — we haven't verified their public shareholdings to price them minute-to-minute, so this figure is a static, point-in-time estimate from Forbes, not derived from a live stock price like the rest of this site. See the full ranked list →