
Thomas Peterffy
Entrepreneur · Interactive Brokers · finance
1944 · United States
$17.1Bolder estimate, as of 2019 · Forbes
Thomas Peterffy is a Hungarian-born American billionaire businessman. He is the founder, chairman and the largest shareholder of Interactive Brokers. As of November 2025, his estimated net worth is US$109 billion, making him the 18th richest person in the world.
danor shtruzman, Public domain, via Wikimedia Commons
Sources (3)
- Thomas Peterffy (Q7793127) · Wikidata
- Thomas Peterffy · Wikipedia
- Thomas Peterffy — Forbes net worth (via Wikidata) · Forbes · 2019



