LeaderPortfolio
Peterffy
Thomas Peterffy
Rank #21
UNITED STATESFinance & InvestmentsDiscount brokerage

Thomas Peterffy

Net Worth
$82.864B
0% (24h)
Thomas Peterffy is a Hungarian-born American billionaire businessman, celebrated as a pioneer in the world of electronic trading. Born in Budapest in 1944, he immigrated to the United States in 1965 and later became a U.S. citizen. Peterffy is the founder, chairman, and largest shareholder of Interactive Brokers, a leading discount brokerage firm. His career began as an architectural draftsman, evolving into a pivotal role in the development of the first electronic trading platforms, thereby revolutionizing the financial industry. Peterffy's estimated net worth, as of February 2, 2026, is $86.9 billion, reflecting his remarkable success and influence in finance. He resides in Palm Beach, Florida.

The Full Dossier

Early Life

Thomas Peterffy was born in Budapest, Hungary, on September 30, 1944, during a Russian air raid. His father emigrated to the United States after the failure of the Hungarian Revolution in 1956. Peterffy left his engineering studies in Hungary and emigrated to the United States in 1965 to join his father in New York. He initially worked as an architectural draftsman.

Rise to Success

In 1977, Peterffy purchased a seat on the American Stock Exchange. He played a key role in developing the first electronic trading platform for securities. Peterffy founded T.P. & Co in 1978 and Timber Hill Inc., in 1982. In 1993 he launched Interactive Brokers, an electronic brokerage firm.

Key Business Strategies

Peterffy's business strategy focused on technological innovation and automation to streamline trading processes. He consistently replaced manual processes with more efficient automated ones and introduced handheld computers onto trading floors in the 1980s. His commitment to a low-cost, high-speed trading platform has been a core aspect of Interactive Brokers' success.

Philanthropy

Peterffy is involved in philanthropy and has made donations to various causes. He is also known for his conservative political views.

Career Timeline

2019

Stepped down as CEO of Interactive Brokers

Stepped down as CEO of Interactive Brokers.

1993

Founded Interactive Brokers

Founded Interactive Brokers, an electronic brokerage firm.

1982

Founded Timber Hill Inc.

Founded Timber Hill Inc.

1978

Founded T.P. & Co

Founded his first company, T.P. & Co.

1977

Purchased a seat on the American Stock Exchange

Purchased a seat on the American Stock Exchange and began developing electronic trading systems.

1965

Emigrated to the U.S.

Emigrated from Hungary to the United States.

Philanthropic Impact

Philanthropy$7.8M

Peterffy Foundation

The Peterffy Foundation, established in 2015, is a private grantmaking foundation.

Wealth Trajectory