Marilyn Simons & family

Marilyn Simons & family (#68)

Global Rank #68

Country Rank #31

Country United States

Marilyn Simons & family is listed among the world billionaires tracked by Iconic Billionaires.

$ 33 B
Hedge funds
United States
F
75 Years

Snapshot

Quick Facts

Global Rank #68

Country Rank #31

Net Worth $32.5B

Previous Worth $32.5B

Worth Change +$0.0B

Country United States

Industry Hedge funds

Age 75 Years

Gender F

Worth As Of May 28, 2026

Residence East Setauket, New York

Citizenship United States

World Billionaires List United States Billionaires Hedge funds

Profile Data

Personal Stats

Age 75

Source Of Wealth Hedge funds

Self Made Score 1

Philanthropy Score 5

Residence East Setauket, New York

Citizenship United States

Marital Status Widowed

Net Worth Change +$0.0B +0.0% from previous worth

Previous Net Worth $32.5B

Current Net Worth $32.5B

Worth as of May 28, 2026

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.

Achievements

Forbes List Highlights

A snapshot of the list placements and rankings connected to Marilyn Simons & family.

#66

Billionaires (2026)

#29

Forbes 400 (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.

Worth Trend Net Worth Growth

Period Change Worth Movement

Current Net Worth: $32.5B (May 28, 2026)