Marilyn Simons & family
Source of wealth: Hedge funds
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Biography
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.
Perspective on their fortune
Gold
Everyday luxury

A Marilyn Simons & family's fortune is equivalent to 219 of gold, but this may be difficult to value, as we don't usually have a handful of gold bars in our piggy bank.

A standard gold ring typically weighs between 4 and 7 grams. Let's say this one weighs 5 grams. It's usually 18k gold.
Based on today's gold price (not taking into account the jeweler's fee, shipping, or anything else), that gold ring would be worth $556.3
Marilyn Simons & family could buy 58,509,732 gold rings. That's a lot of fingers and a lot of gifts!!
And if the number of rings is difficult to visualize, all these rings would need 10 trucks to transport them, But we can be almost certain that Marilyn Simons & family will have enough left over to pay for the gas for those trucks.
Health
The price of life
Let's compare Marilyn Simons & family's fortune with the healthcare spending of a huge country
Marilyn Simons & family could fund the entire healthcare system of DR Congo with a population of over 105,800,000 of inhabitants for approximately 14.6 years.
But even if we compare their fortune to that of a rich country
At the other extreme, Marilyn Simons & family could cover the health expenditure of Luxembourg, considered the world's most heavily invested health system, for 6.5 years
Education
Buying the future
Lowest education spending
Marilyn Simons & family could assume the entire cost of the education system of Nigeria, the most populous country in Africa, with more than 243,000,000 inhabitants for 9.6 years.
Highest education spending
But not only could he assume the cost of a poor country, Luxembourg is considered the country with the highest per capita investment in education in the world, Marilyn Simons & family could pay for it in full for 13.0 years.
Research
The monopoly of progress
Lowest research spending
Marilyn Simons & family could fully fund the state research budget of Pakistan, the fifth most populous country in the world with more than 260,000,000 of inhabitants, for 54.8 years.
Highest research spending
But even if we compare the total wealth of Marilyn Simons & family with Israel, the country that currently invests the most per capita in research in the world, it could assume the total cost of the system for 1.2 years.
Financial Assets
Financial assets information not available.
Monthly wealth history
Fortune comparison
Historical data not available for comparison