JAMES SIMONS • Net Worth $23 billion • House • Yacht • Private Jet • Renaissance Technologies

Name:James Simons
Net Worth:$ 23 billion
Source of Wealth:Renaissance Technologies
Born:April 25, 1938
Spouse:Marilyn Hawrys Simons
Children:Nat Simons, Audrey Simons, Nicholas Simons, Liz Simons, Paul Simons
Residence:Long Island, NY, USA
Private Jet:Gulfstream G650 (N773MJ)

Who is James Simons?

Simons founded the hedge fund management company Renaissance Technologies in 1982. He was born in 1938. He is married to Marilyn. They have 5 children.

Simons is the co-founder of the Chern Simons Theory. It is a 3-dimensional topological quantum field theory. It describes the topological order in fractional quantum Hall effect states.

Huh? ;-). If you are really interested there is a link later on this page.

He taught mathematics at the Massachusetts Institute of Technology and Harvard University. He was a member of the Institute for Advanced Study.

Simons is a contributor to the Democratic Party. He has donated more than US$ 30 million to federal campaigns.

Jim Simons is the owner of the yacht Archimedes.  

How Much Money Does He Manage?

Renaissance Technologies has over $ 80 billion of assets under management. The investment firm’s three Renaissance Technologies computer-driven hedge funds realize double-digit growth every year.

Medallion Fund

It’s most successful fund is the Medallion Fund. Which manages US$ 5 billion. And has an average of 35% in annual returns. Renaissance Technologies employs complex mathematical models to analyze and execute trades.


Jim Simons is a very active philanthropist. He founded the Simons Foundation. The foundation is a charitable organization. Which supports projects related to education and health. In addition to scientific research.

Simons also founded Math for America. It is a non-profit organization with the mission to significantly improve math education in public schools.

Jim and Marilyn Simons donated US$ 200 million to the Stony Brook University of New York. It is among the top ten gifts to public higher education in the USA.  Simons chaired the mathematics department at the State University of New York at Stony Brook.

James Simons Net Worth

Algorithms made him a Wall Street billionaire. His net worth is estimated at US$ 23 billion. In 2017 alone he earned US$ 1.7 billion.

He is the top earner on the Institutional Investor’s annual Rich List.

James Simons

James Simons

James and Marylin Simons

Marilyn Simons

Dr. Marilyn Hawrys Simons and her husband are the co-founders of the Simons Foundation, a charitable organization funding basic research and educational programs in mathematics, physical, and life sciences. Marilyn Simons received a B.A and Ph.D. in Economics from SUNY, Stony Brook. She has volunteered in the non-profit sector for the last twenty years. Her primary focus is education.  She is President of the Board of Learning Spring Elementary School, a school for children with autistic spectrum disorders. She also sits on the board of the East Harlem Tutorial Program, an after-school teaching program in East Harlem.

10 Facts about James Harris Simons you probably didn’t know

  1. He started as a mathematics professor.
  2. He is the co-founder of the Chern Simons Quantum Theory.
  3. In 1964 he worked with the National Security Agency to break codes.
  4. His hedge funds use mathematical models to  execute trades.
  5. They realize double digit growth every year.
  6. His net worth is now US$ 20 billion, earning US$ 1.7 billion in 2017 alone.
  7. His Simons Foundation supports education and health projects.
  8. He donated US$ 200 million to the Stony Brook University of New York.
  9. His yacht is named after the Greek mathematician Archimedes.
  10. He also owns a US$ 70 million Gulfstream G650 private jet (N773MJ).








Simons Residence