Tom Peterffy

Founder at INTERACTIVE BROKERS GROUP, INC.

Net worth: 397 M $ as of 2025-12-30

81 year

Finance

Commercial Services

Profile

Founder of Interactive Brokers Group, Inc. and Timber Hill LLC, Thomas Pechy Peterffy holds the position of Chairman for Interactive Brokers Group, Inc. and Chairman & President at Timber Hill LLC and Chairman at Interactive Brokers (U.K.) Ltd. (both are subsidiaries of Interactive Brokers Group, Inc.). He previously held the position of Member of American Stock Exchange LLC.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
INTERACTIVE BROKERS GROUP, INC. CLASS A 1.4%	2025-04-21	6,169,060 ( 1.4% )	397 M $	2025-12-30
INTERACTIVE BROKERS GROUP, INC. 100%	2025-04-21	100 ( 100% )	6 431 $	2025-12-30

Latest news about Tom Peterffy

Jan. 14	Interactive Brokers sees prediction markets business growing at faster pace in 2026, founder Thomas Peterffy told Reuters	RE
25-06-05	The genie is out: 24-hour trading gaining momentum, Interactive Brokers chairman says	RE
25-06-05	The genie is out: 24-hour trading gaining momentum, Interactive Brokers chairman says	RE
24-12-11	Thomas Peterffy Talks Trump, M&A, Cryptocurrencies	MT
24-11-11	Peterffy Expects 'Enormous' Prediction Market Growth	MT

Tom Peterffy active positions

Companies	Position	Start
INTERACTIVE BROKERS GROUP, INC.	Founder	1976-12-31
Timber Hill LLC Timber Hill LLC Investment Banks/BrokersFinance Provides brokerage services	Founder	1996-06-30
Interactive Brokers (U.K.) Ltd. Interactive Brokers (U.K.) Ltd. Engages in buying and selling commodity contracts	Chairman	-
Palm Beach Civic Association Palm Beach Civic Association Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit organization to protect and improve palm beach	Director/Board Member	-

All active positions of Tom Peterffy

Former positions of Tom Peterffy

Companies	Position	End
American Stock Exchange LLC American Stock Exchange LLC Investment Banks/BrokersFinance Operates as stock and securities exchange	Corporate Officer/Principal	2008-10-12

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Experiences
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Private companies

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Members of the board

Executives

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Linked companies

Private companies	5
Timber Hill LLC Timber Hill LLC Investment Banks/BrokersFinance Provides brokerage services	Finance
Interactive Brokers Group, Inc. Interactive Brokers Group, Inc. Investment Banks/BrokersFinance Operates as a holding company whose subsidiaries provide brokerage and investment services	Finance
American Stock Exchange LLC American Stock Exchange LLC Investment Banks/BrokersFinance Operates as stock and securities exchange	Finance
Palm Beach Civic Association Palm Beach Civic Association Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit organization to protect and improve palm beach	Commercial Services
Interactive Brokers (U.K.) Ltd. Interactive Brokers (U.K.) Ltd. Engages in buying and selling commodity contracts

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Tom Peterffy