Marilyn Simons & family

Marilyn Simons & family

Marilyn Simons & family (#62)

  • $ 33 B
  • Hedge funds
  • United States
  • F
  • 75 Years

About Me

Marilyn Simons is the widow of hedge fund legend Jim Simons, who died in 2024 at age 86. She got a Ph.D. in economics from Stony Brook University, where she met Jim. She chairs the $4.5 billion (assets) Simons Foundation, which is the primary funder of Math for America. Simons also sits on the boards of Stony Brook's foundation and Rockefeller University, and she chairs the board of Cold Spring Harbor Laboratory.
About Images

Achievements

Career Highlights

A snapshot of the defining milestones, leadership decisions, and breakthroughs that shaped Marilyn Simons & family’s rise and global influence.

  • #29   Forbes 400 (2025)
  • #57   Billionaires (2025)

Wealth Growth

Net Worth Growth Over Time

Tracking Marilyn Simons & family’s net worth journey over the years, highlighting key growth phases and financial milestones.