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Marilyn Simons & family Net Worth

Source of wealth: Hedge funds

$36.57B

— today

Live · · Forbes real-time

Marilyn Simons & family's net worth is $36.57 billion as of November 7, 2026, according to Forbes' real-time data, which makes Marilyn Simons & family the 61st richest person in the world.

Made since you opened this page

$0.00⏱ 00:00:00 on this page

$110 per second · based on net worth growth

Spend Marilyn Simons & family's money →

How much does Marilyn Simons & family make per second, hour and day?

Per second

$110

Per minute

$6,615

Per hour

$396,914

Per day

$9.53M

Per week

$66.68M

Per year

$3.48B

Basis: Forbes 2025 World's Billionaires list → Forbes Real-Time Billionaires. How we calculate this

How long it takes Marilyn Simons & family to earn…

  • a Big Mac0.05 seconds
  • an iPhone 17 Pro Max18 seconds
  • the median US salary9.5 minutes
  • a Tesla Model S Plaid14.4 minutes
  • an average US home1.1 hours
  • a Bugatti2.0 days
  • a superyacht31.5 days

How did Marilyn Simons & family get so rich?

Marilyn Simons & family, whose fortune comes from Hedge funds, has an estimated net worth of $36.57 billion. That ranks 61st on Forbes' live list of the world's billionaires. Citizenship: United States (based in East Setauket, New York).

Since April 2025, when Forbes measured it at $31 billion, Marilyn Simons & family's fortune has grown by $5.57 billion — an average of $110 per second, or $9.53M per day.

Marilyn Simons & family's net worth was $31 billion on Forbes' 2025 list, so it has grown about 1.2x since then.

Marilyn Simons & family net worth history (2025–2026)

$31B2025$32.5B2026$36.6BNow
Annual figures from Forbes' World's Billionaires lists (measured each March/April). “Now” is the live Forbes estimate.
Marilyn Simons & family net worth by year
YearNet worthChange
2026$32.5B+$1.5B
2025$31B—

Ranked near Marilyn Simons & family

#NameNet worth
57Paolo ArdoinoCryptocurrency$38B
59Pham Nhat VuongDiversified$36.97B
60Alexey Mordashov & familySteel, investments$36.95B
61Marilyn Simons & familyHedge funds$36.57B
62Len BlavatnikMusic, chemicals$34.76B
63Andreas von Bechtolsheim & familyGoogle$34.7B
64Melinda French GatesMicrosoft$34.49B

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Marilyn Simons & family net worth: FAQs

What is Marilyn Simons & family's net worth?

Marilyn Simons & family's net worth is $36.57 billion as of November 7, 2026, according to Forbes' real-time data, which makes Marilyn Simons & family the 61st richest person in the world.

How much does Marilyn Simons & family make per second?

About $110 per second. Since April 2025, when Forbes measured it at $31 billion, Marilyn Simons & family's fortune has grown by $5.57 billion — an average of $110 per second, or $9.53M per day.

How much does Marilyn Simons & family make a day?

Roughly $9.53 million per day — that's $396,914 an hour and $6,615 a minute, based on average net worth growth.

How did Marilyn Simons & family make their money?

The main sources of Marilyn Simons & family's wealth are: Hedge funds.

How long would it take an average person to earn Marilyn Simons & family's net worth?

A typical full-time US worker earning about $63,128 a year would need roughly 579,348 years to earn Marilyn Simons & family's fortune — without spending a cent.

How old is Marilyn Simons & family?

Marilyn Simons & family is 75 years old and is a citizen of United States.

Sources

  • Net worth: Forbes Real-Time Billionaires (source), refreshed every 15 minutes.
  • History: Forbes World's Billionaires lists, 2025–2026.
  • Per-second figures are averages. See our methodology.