Tom Peterffy

Founder at INTERACTIVE BROKERS GROUP, INC.

Net worth: 541 M $ as of 31/05/2026

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 1.41%	09/03/2026	62,19,110 ( 1.41% )	541 M $	31/05/2026
INTERACTIVE BROKERS GROUP, INC. 100%	09/03/2026	400 ( 100% )	34 788 $	31/05/2026

Latest news about Tom Peterffy

14/01	Interactive Brokers sees prediction markets business growing at faster pace in 2026, founder Thomas Peterffy told Reuters	RE
06/25/06	The genie is out: 24-hour trading gaining momentum, Interactive Brokers chairman says	RE
06/25/06	The genie is out: 24-hour trading gaining momentum, Interactive Brokers chairman says	RE
12/24/12	Thomas Peterffy Talks Trump, M&A, Cryptocurrencies	MT
12/24/12	Peterffy Expects 'Enormous' Prediction Market Growth	MT

Tom Peterffy active positions

Companies	Position	Start
INTERACTIVE BROKERS GROUP, INC.	Founder	01/01/1977
IBKR Securities Services LLC IBKR Securities Services LLC Investment Banks/BrokersFinance Provides brokerage services	Founder	01/07/1996
Interactive Brokers (U.K.) Ltd. Interactive Brokers (U.K.) Ltd. Investment Banks/BrokersFinance 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	13/10/2008

See the detail of Tom Peterffy's experience

Experiences
Positions held

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Inactive

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Private companies

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Connections

1st degree connections

1st degree companies

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Members of the board

Executives

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Linked companies

Private companies	5
IBKR Securities Services LLC IBKR Securities Services 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. Investment Banks/BrokersFinance Engages in buying and selling commodity contracts	Finance