Who gained/lost since 2025/01 (top 1000 richest)

# Worth ($M) 2025-01-08 Gain since ($M) Name Age Source Industries Citizenship Gender
30 67,435 49,636 17,799 Jeff Yass [Susquehanna] Graph only 66 Trading, investments Finance & Investments United States M

Wikipedia

Jeffrey Steven Yass is an American billionaire businessman. According to Forbes, Yass has a net worth of US$65 billion as of December 2025, up from $27.6 billion in April 2024. The richest man in Pennsylvania, he is also the 25th richest in the world. He is a registered Libertarian who gives money to conservative super PACs including Club for Growth Action and the Protect Freedom Political Action Committee. He and his wife Janine Yass are supporters of school choice, a cause to which they have donated tens of millions of dollars.

Jeff Yass — Wikipedia