Portrait of Ken Griffin

Rank #35

Ken Griffin

Net worth $50.5B

Hedge funds · United States

Born
Oct 15, 1968
Age
57
Source
Hedge funds
Residence
Miami, Florida
Citizenship
United States
Marital status
Divorced
Children
3
Education
Bachelor of Arts/Science, Harvard University

Net worth over time

Biography

  • Ken Griffin founded and runs Citadel, a Miami-based hedge fund firm that manages $68 billion in assets.
  • Griffin founded Citadel in 1990 but first began trading from his Harvard dorm in 1987. He put a satellite dish on the roof to get real-time stock quotes.
  • Citadel is the world's most profitable hedge fund and has generated $83 billion in net gains since inception in 1990, according to LCH Investments.
  • Citadel Securities, one of Wall Street's biggest market-making firms, is responsible for one of every four stock trades in the U.S.
  • Griffin has given some $2.4 billion to philanthropic causes. Recent beneficiaries include Memorial Sloan Kettering Cancer Center and nonprofit hospitals in Miami.
  • Griffin bought rare editions of the Emancipation Proclamation and the Thirteenth Amendment, signed by Abraham Lincoln, to be loaned for public display in 2025.
  • Griffin's first job was selling Franklin Mint collectibles.