Who gained/lost since 2025/01 (top 1000 richest)
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# | Worth ($M) | 2025-01-08 | Gain since ($M) | Name | Age | Source | Industries | Citizenship | Gender |
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| 20 | 103,983 | 57,035 | 46,948 | Thomas Peterffy [Interactive Brokers] Graph only | 80 | Discount brokerage | Finance & Investments | United States | M |
Wikipedia
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.
Thomas Peterffy — Wikipedia