Jim Simons Net Worth: Career, Lifestyle & Charity

Jim Simons

American mathematician, hedge fund manager, and philanthropist Jim Simons’s net worth is an enormous $22 billion.

He is well known for founding and serving as CEO of “Renaissance Technologies.”

Jim and his fund are renowned for using mathematical models and algorithms to profit from their investments.

Jim Simons
Jim Simons (Source: OpenSecrets)

Due to Renaissance’s and its Medallion Fund’s cumulative long-term investment returns, Simons is referred to as “the finest investor on Wall Street.”

Moreover, he is also known as “the most profitable hedge fund manager in history.”

In recognition of his achievements in mathematics and charity, the “6618 Jimsimons” was named after him in 2016.

Jim Simons | Quick Facts

Jim Simons’s net worth as of April 2024 is a staggering $22 billion. Let’s look at quick facts to understand more about Jim.

Birth Name James Harris Simons
Professional Name Jim Simons
Nick Name Simons, Jim
Birth Date April 25, 1938
Age 85 Years Old
Birth Place Newton, Massachusetts, USA
Height 1.78 m (5 feet 10 inches)
Gender Male
Build Average
Net Worth $22 Billion
Religion Jewish
Hair Color White
Eye Color Brown
Profession Mathematician, Hedge fund manager, Professor
Nationality American
Father’s Name Matthew Simons
Mother’s Name Marcia (née Kantor)
78 kg (171 lbs.)
Horoscope Taurus
Ethnicity White
High School Newton North High School
  • Massachusetts Institute of Technology (BS)
  • The University of California, Berkeley (MS, Ph.D.)
Sexual Orientation Straight
Marital Status Married
  • Barbara Bluestein ​ ​(M. 1959- Div. 1974)
  • Marilyn Hawrys Simons (M. 1977- Present)
Children 5
Active Since 1962-Present
Social Media FacebookInstagram
Last Update April 2024

Jim Simons | Net Worth, Income, & Controversy

Net Worth

Multi-talented mathematician and hedge fund manager Jim Simons’s net worth is a whopping $22 billion.

Most of his wealth comes from his investment firm “Renaissance Technologies.”

“The Medallion Fund,” the company’s most successful investment portfolio, can be attributed to most of Jim’s fortune.

In January 2022, his firm managed around $50 billion in assets.

Since 1988, data show that Medallion’s statistical investment strategies have produced yearly returns of roughly 40%.

According to a source, Renaissance limits Medallion’s holdings at roughly $10 billion and distributes gains every six months.

Since its inception in 1988, the fund, which is closed to outside clients, has made trading profits totaling more than $100 billion.

This amounts to an average net gain between 1988 and 2018 of 39.1 percent or a total return of 66.1 percent.

Similarly, the company also oversees three additional funds, which as of April 2019, had a combined asset value of about $55 billion.

Moreover, these funds are accessible to outside investors.

Approximately 70% of Renaissance is owned by Simons and three other partners, according to a 2014 Senate probe.

In 2005, he earned $1.5 billion, the most significant earning among hedge fund managers that year.

Similarly, he made around $2.8 billion in 2007, $1.7 billion in 2006, and $670 million in 2004.

In 2020, Jim was estimated to have personally earned $2.6 billion.

Financial Controversy

Investors reportedly questioned Jim in May 2009 about the portfolios of Renaissance Technologies’ colossal performance gap.

Despite high fees, the Medallion Fund, which had only been open to then-current and former workers and their families, increased by 80% in 2008.

Meanwhile, The Renaissance Institutional Equities Fund (RIEF), held by outsiders, lost a lot of money in both 2008 and 2009 as it fell by 16% in 2008.

Similarly, he was criticized in 2014 for using advanced basket options to disguise day-to-day trading as long-term capital gains.

By passing off Renaissance Technologies’ regular stock trades as long-term investments, the company could save more than $6 billion in taxes.

According to a 2015 New York Times article, Jim was embroiled in one of the year’s most significant tax disputes.

It was due to the fact that the IRS was looking into a loophole that his company used to save their investment of $6.8 billion in taxes over ten years.

In 2021, it was revealed that Jim and his coworkers settled the most outstanding IRS lawsuit in history by paying billions of dollars in unpaid taxes, interest, and penalties.

Jim Simons’ Net Worth in Different Currencies

Let’s look into Jim Simons’s net worth in different currencies, including the cryptocurrency Bitcoin.

Currency Net Worth
Euro € 20,806,500,000
Pound Sterling £ 17,928,570,000
Australian Dollar A$ 31,762,984,000
Canadian Dollar C$ 28,287,710,000
Indian Rupee ₹ 1,730,905,000,00
Bitcoin ฿ 1,061,622.32

Jim Simons | Houses, & Jet & Yacht


As of April 2024, Jim Simons’s net worth is a massive $22 billion.

The renowned mathematician and his family reside in a six-acre estate in East Setauket, New York.

Simons House (Source: Virtual Globetrotting)
Simons House (Source: Virtual Globetrotting)

Since Jim is a private person who usually stays away from the media, there isn’t much information regarding this residence.

However, looking at the pictures of the estate, we can confirm that the large mansion features a long driveway, a swimming pool, a fountain, and a play court.

Jet & Yacht

As a billionaire, it is not surprising that Simons owns a private jet and yacht.

Jim has a “Gulfstream G650” private aircraft with the N773MJ registration valued at $70 million.

MJ refers to the abbreviate form of Marilyn and James, his wife, and his name.

Jim Yacht (Source: TraderLife)
Jim Yacht (Source: TraderLife)

He also owns a Feadship superyacht “Archimedes.”

The yacht weighs more than 1,000 tonnes and has a dining area, a study, an outside pool, and even a piano.

Furthermore, it can accommodate up to 16 guests in eight luxurious cabins.

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Jim Simons | Lifestyle and Vacation


Multi-billionaire hedge fund manager Jim Simons lives a luxurious lifestyle with a net worth of $22 billion.

He was born in Newton, Massachusetts, to a Jewish family on April 25, 1938.

He is the single child of Marcia and Matthew Simons and was raised in Brookline, Massachusetts.

Simons was hired at a garden supply business at 14 for a stockroom position over the Christmas holiday.

However, he was swiftly relegated to floor sweeper since he kept losing track of where things went.

After that, he was accepted into the top school thanks to impressive exam results and a high school counselor’s recommendation.

At 23, he earned a Ph.D. in mathematics at the University of California, Berkeley.

He graduated with a degree in mathematics from the Massachusetts Institute in 1958.

Moreover, Jim avoids the spotlight and rarely conducts interviews because he dislikes the press.

Jim Simons With his Wife
Jim Simons With his Wife (Source: Cold Spring Harbor Laboratory)

He wedded Barbara Bluestein, a computer scientist, in 1959. However, they divorced in 1964.

Jim’s second wife is Marilyn Hawrys, whom he married in 1977.

Only three of the five children of Simons are alive.

With his first wife, Barbara, Jim had three children: two sons, and a daughter, among which Paul was hit by an automobile on Long Island in 1996 while cycling.

Likewise, he has two children from his second marriage to Marilyn.

Their daughter Audrey has autism, and their son Nicholas drowned and died in Bali in 2003.


Jim loves to travel and spends his retirement years visiting new places.

With excessive wealth and enough resources, he can travel anywhere.

In addition, Simons has a private jet and yacht, making his travel easier.

To name a few, he flew everybody from his office to Bermuda earlier in 2000.

Likewise, at the end of 2018, Jim went on a vacation with his wife to California.

Jim Simons | Charity

Jim has donated more than $2.7 billion to charitable organizations in total.

Simons and his spouse founded the “Simons Foundation” in 1994, a nonprofit that funds initiatives focused on health and education in addition to scientific research.

As a part of its array of activities, the organization launched the “SFARI” in 2003.

SFARI aims to advance knowledge about and methods for treating autism spectrum diseases.

Similarly, Jim established “Math for America” in 2004 with a $25 million initial donation from his organization, which he then doubled in 2006.

To create the “Simons Institute for the Theory of Computing,” the foundation gave $60 million to the “University of California” in 2012.

Simons Foundation (Source: Their Website)
Simons Foundation (Source: Their Website)

In addition, he gave the institute a $35.5 million extra grant in 2020 and has provided other sizable grants.

Through the “Nick Simons Institute,” named in honor of his deceased son, he has become a significant contributor to Nepal’s healthcare system.

Jim made the most significant donation to a State University of New York institution in 2006 when he gave $25 million to “Stony Brook University.”

Likewise, in 2008, Simons’ foundation again contributed $60 million.

Furthermore, he once more broke that record in 2011 by donating $150 million to Stony Brook University for medical science research.

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Jim Simons | Investments and Endorsements


As of April 2024, Jim Simons’s net worth is a massive $22 billion.

Jim followed a career in finance despite having successful jobs as a mathematician and professor.

He started an investment firm called “Monemetrics” in 1978.

Simons created a strategy using quantitative models after realizing that pattern recognition may be used for trading on financial markets.

He is known as the “Quant King” since he only uses algorithmic investment tactics and quantitative analysis.

Jim reportedly made $1.2 billion in 2014, including cash payments, stock, and performance fees.


Simons is a prominent endorser of the “Democratic Party.” He has contributed significantly to the political action of the Democratic Party.

Simons has contributed to Hillary Clinton’s “Priorities USA Action” a grant of $7 million.

In total, Jim has contributed around $30.6 million to congressional races since 2006.

Jim Simons | Career

Simons collaborated with the National Security Agency in 1964 to decipher codes.

He worked as a mathematics teacher between 1964 and 1968. At the same time, he was a staff of the Institute for Defense Analyses (IDA).

Due to his outspoken criticism of the Vietnam War, he was compelled to resign from the IDA and ended up joining the staff at Stony Brook University.

He served as Stony Brook University’s math department chairman from 1968 until 1978.

Jim During A Class (Source: Medium)
Jim During Class (Source: Medium)

In 1973, IBM asked Jim to attack the block cipher Lucifer, an early but essential beginning to the Data Encryption Standard (DES).

Similarly, in 1982, Jim founded “Renaissance Technologies,” a US hedge fund headquartered in East Setauket, New York.

The hedge funds run by Renaissance Technologies have been using mathematical models to assess and execute transactions for more than 20 years.

Some Interesting Facts About Jim Simons

  • Forbes listed him as one of the highest-earning traders and hedge fund managers in March 2019.
  • Jim created Avalon Park, a 130-acre natural reserve in Stony Brook, in honor of his son Paul.
  • In 2007, he was chosen for membership in the American Philosophical Society.


What is Jim Simons’ favorite subject?

His favorite subjects are gene mysteries, the origins of life, the causes of autism, the frontiers of arithmetic and computing, elementary physics, and the early universe’s structure.

Who is the smartest billionaire?

The Financial Times referred to Jim as “the world’s smartest billionaire” in 2006.

Did Jim Simons’ get an honorary degree?

Yes, in 2018, he got an honorary doctorate from Trinity College Dublin.

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