Ken Griffin Children, Family, and Net Worth: The Full Story of Citadel’s Billionaire Founder
Ken Griffin is an American hedge fund manager, the founder and CEO of Citadel, and one of the richest people in the world. People searching for Ken Griffin children want to know about his family life: he has three children with his former wife, Anne Dias, and the couple shares custody. He is also known for his real estate deals and his very large charitable gifts.
Griffin started trading stocks as a Harvard student and built Citadel into one of the most profitable hedge funds in history. Today he is known as much for his giving to education and medicine as for his work in finance.
Quick Facts About Ken Griffin
| Detail | Information |
| Full Name | Kenneth Cordele Griffin |
| Real Name | Kenneth Cordele Griffin |
| Date of Birth | October 15, 1968 |
| Age | 57 (turns 58 in October 2026) |
| Birthplace | Daytona Beach, Florida, USA |
| Nationality | American |
| Profession | Hedge fund manager, investor, philanthropist |
| Height | Not officially disclosed |
| Famous For | Founding Citadel and Citadel Securities |
| Genre/Industry | Finance and investment |
| Relationship Status | Divorced from Anne Dias (2015) |
Who Is Ken Griffin?
Kenneth Cordele Griffin was born on October 15, 1968, in Daytona Beach, Florida. He is the founder, CEO, and co-chief investment officer of Citadel. He is also the majority owner of Citadel Securities, a major market-making firm.
His career started while he was still in college. He began trading from his Harvard dorm room in the 1980s and even put a satellite dish on the roof to receive stock quotes. That early drive led to a firm that now shapes global markets.
He became famous for three reasons: Citadel’s strong returns over several decades, his huge wealth, and his record-breaking philanthropy.
Early Life and Family Background
Griffin was born and raised in Florida, and he studied economics at Harvard University, graduating in 1989 after three years.
What is known about Ken Griffin’s parents?
Griffin has kept most details about his parents private. His mother is still part of his public story, though. A spokesperson confirmed that Griffin was building a house for his mother in Palm Beach.
His family also had business roots. His grandmother, Genevieve Huebsch Gratz, inherited an oil business, three farms, and a seed business after her husband and several relatives died.
Ken Griffin young: the Harvard years
As a young student, Griffin was already managing real money. After graduating, he moved to Chicago. There, investor Frank Meyer gave him $1 million of Glenwood capital to trade, and Griffin earned 70% in one year.
Age, Birthday, Height, and Personal Details
People often search for Ken Griffin’s age and birthday. Here are the answers:
- Birthday: October 15
- Age: 57 as of September 2026
- Zodiac sign: Libra
- Height: No official figure has been published
- Ken Griffin ethnicity: He is American. He has not spoken publicly in any detail about his ancestry.
- Home base: Miami, Florida
Career Journey
Founding Citadel (1990)
In 1990, Griffin founded Citadel. In the early 2000s, he founded the market maker Citadel Securities.
Key milestones
| Year | Milestone |
| 1989 | Graduated from Harvard |
| 1990 | Founded Citadel in Chicago |
| 2003 | Youngest member of the Forbes 400 |
| 2008 | Financial crisis tests the firm |
| 2022 | Moved Citadel’s headquarters to Miami |
| 2025 | Midtown tower approved by New York City |
In 2003, when he was 34, Griffin was the youngest person on the Forbes 400, with an estimated net worth of $650 million.
The 2008 crisis was his hardest period. For 10 months during the crisis, Griffin blocked investors from withdrawing money, which drew criticism. Citadel recovered and went on to post record gains.
Citadel today
Forbes calls Citadel the world’s most profitable hedge fund, with $90 billion in net gains since 1990. Citadel Securities handles about one of every four stock trades in the U.S.
Citadel leadership team
Griffin leads a team of long-serving executives. Gerald A. Beeson is Citadel’s Chief Operating Officer. He was one of the firm’s first employees, joining in 1993, and he was Citadel’s Chief Financial Officer before that. This makes the Citadel Gerald Beeson Ken Griffin partnership one of the longest-running in finance. Andrew Philipp is listed as Citadel CFO.
Major Works and Landmark Projects
Ken Griffin midtown skyscraper
Griffin’s biggest building project is 350 Park Avenue in Manhattan. The New York City Council approved the 62-story, 1,600-foot tower unanimously, 48 to 0. Foster + Partners designed it. The tower will be 200 feet taller than JPMorgan Chase’s headquarters at 270 Park Avenue. Because of that, Jamie Dimon and Ken Griffin are often mentioned together as the leaders behind Park Avenue’s two tallest towers.
Griffin later used an option to take at least a 60 percent stake in the development venture.
Ken Griffin David Geffen $400 million Memorial Sloan Kettering
In December 2023, Griffin and David Geffen pledged $400 million to Memorial Sloan Kettering Cancer Center. It was the largest single donation in the center’s 150-year history.
Ken Griffin education funding
Education is at the center of his giving:
- $500 million to Harvard, which named its Kenneth C. Griffin Graduate School of Arts and Sciences after him.
- $125 million to the University of Chicago’s economics department.
- A $3 billion pledge to Carnegie Mellon University, the largest gift in the history of American higher education.
The Carnegie Mellon gift was announced in September 2026. $2 billion of it will pay for a new CMU campus in Miami, Florida.
Ken Griffin charter school support
His giving in South Florida includes support for public schools, math tutoring, and bringing Success Academy’s charter schools to Miami.
Griffin Foundation and Griffin Catalyst
Griffin once gave through the Kenneth and Anne Griffin Foundation. He and Dias co-founded it in 2009, and it was dissolved in 2014 because of their divorce. His giving now runs through Griffin Catalyst, his civic engagement initiative
Ken Griffin Children and Personal Life
Ken Griffin wife
Griffin married French-American investor Anne Dias in 2003. He filed for divorce in July 2014. The Ken Griffin divorce was settled in October 2015. Under the settlement, the couple would share custody of their three children.
Ken Griffin children and kids
Griffin and Dias have three children. When the divorce began in 2014, the children were 2, 3, and 6 years old. That means all three are now in their teens or early twenties.
The family has not publicly released the children’s names or other details. Both parents have tried to keep the children’s lives private. Online searches for names such as kennedy griffin, kane griffin, clay griffin, stanford griffin, sophie griffin, gage griffin, cain griffin, diego griffin, graham griffin, or jc griffin usually lead to other people who share the Griffin surname. None of these people have been publicly confirmed as his children.
As of 2023, both Griffin and Dias lived in Miami.
Ken Griffin Palm Beach home
Griffin’s Florida real estate draws a lot of attention. He owns more than 27 contiguous acres in Palm Beach, which beats the local record Mar-a-Lago held for years.
Here is what has been reported about the Ken Griffin palm beach estate:
- He spent at least $350 million to put together a 17.7-acre residential property on South Ocean Boulevard.
- The Ken Griffin palm beach compound will include a mansion of more than 20,000 square feet for his mother.
- The main house is planned at about 50,000 square feet and is designed by Olson Kundig.
- In November 2025, he sold the former Neiman Marcus building at 151 Worth Avenue for $80.5 million.
This Ken Griffin house florida project is one of the largest private residential developments in the United States.
Net Worth
Forbes estimates Ken Griffin’s net worth at $57.6 billion and ranks him No. 20 on the 2026 Forbes 400. Bloomberg’s estimate is $57.5 billion.
Main income sources:
- Citadel hedge fund fees and performance
- About an 80% stake in Citadel Securities, his market-making firm
- Real estate in Florida, New York, and elsewhere
- Art and private investments
His spending is also on record. In 2015, he paid $500 million for two paintings, the largest private art deal on record at that time.
Social Media Presence
Griffin does not have a verified personal account on Instagram, X, or TikTok. Official updates come from:
- Citadel (citadel.com and Citadel’s LinkedIn)
- Citadel Securities (official channels)
- Griffin Catalyst (griffincatalyst.org)
Interesting Facts About Ken Griffin
- He traded from his college dorm room using a rooftop satellite dish.
- He founded Citadel in 1990, at age 21.
- He was the youngest Forbes 400 member in 2003.
- He moved Citadel’s headquarters from Chicago to Miami in 2022.
- He paid $240 million for a New York penthouse, a record U.S. home sale.
- His Palm Beach landholding is the largest on the island.
- Harvard’s graduate school of arts and sciences is named for him.
- He will join Carnegie Mellon’s board of trustees.
- His 350 Park Avenue tower will be Midtown’s tallest.
- He has given about $2.7 billion to philanthropic causes, according to Forbes.
Frequently Asked Questions
What is Ken Griffin net worth?
Forbes puts Ken Griffin’s net worth at about $57.6 billion as of September 2026. That makes him one of the 40 richest people in the world. Most of his wealth comes from his ownership of Citadel and his roughly 80% stake in Citadel Securities. He also owns real estate and art, but those are a much smaller share of his fortune.
Who is Ken Griffin wife?
Ken Griffin is not currently known to be married. His former wife is Anne Dias, a French-American investor who founded the hedge fund Aragon Global Management. The couple married in 2003 and divorced in 2015 after a long, public legal fight. Griffin has not publicly confirmed any new marriage since then.
How many Ken Griffin kids are there?
Ken Griffin has three children with Anne Dias. When the divorce started in 2014, the children were 2, 3, and 6 years old. The parents share custody under their 2015 settlement. Both Griffin and Dias keep the children out of the public eye, so their names are not officially published.
Does Ken Griffin have a daughter?
Ken Griffin has three children, but the family has not shared public details about each child’s name or gender. Some websites claim to name a Ken Griffin daughter, but these claims have not been confirmed by Griffin or his representatives. Reliable reports simply say he has three children with Anne Dias.
What is Ken Griffin ethnicity?
Ken Griffin is an American citizen who was born in Daytona Beach, Florida, and raised in the state. He has not discussed his ethnic background in detail in public. Available records mention his grandmother, Genevieve Huebsch Gratz, who inherited several family businesses, but they give little other information about his ancestry.
Who are Ken Griffin parents?
Griffin rarely talks publicly about his parents. His mother is known to be close to him: he is building a large home for her inside his Palm Beach compound. His family background includes a grandmother who ran oil, farming, and seed businesses. His parents have otherwise stayed out of the spotlight.
Why did Ken Griffin move to Miami?
Griffin moved Citadel’s headquarters from Chicago to Miami in 2022. Since the move, he has become one of South Florida’s biggest donors, giving to hospitals, schools, and Miami Dade College. In 2026 he pledged $2 billion to create Carnegie Mellon University’s new Miami campus.
What was Ken Griffin like when he was young?
As a young Harvard student in the 1980s, Griffin traded convertible bonds from his dorm room. He put a satellite dish on the roof so he could get live market data. After graduating in 1989, he received $1 million to trade and made a 70% return. He launched Citadel in 1990.
What is special about Ken Griffin’s Palm Beach property?
Griffin owns more than 27 contiguous acres in Palm Beach, the largest residential assemblage on the island. The compound includes a planned main residence of about 50,000 square feet and a separate mansion for his mother. Reports value the finished estate at hundreds of millions of dollars.
What is the Ken Griffin midtown skyscraper?
It is 350 Park Avenue, a planned 1,600-foot, 62-story office tower in Manhattan designed by Foster + Partners. The New York City Council approved it 48 to 0 in 2025. Citadel and Citadel Securities will be the anchor tenants, and Griffin holds at least a 60% stake in the venture.
Conclusion
Ken Griffin went from a Harvard dorm-room trader to the founder of one of the most successful investment firms ever built. Citadel and Citadel Securities made him one of the richest people in the world. His giving, including $400 million to Memorial Sloan Kettering with David Geffen and a record $3 billion to Carnegie Mellon, has made him one of the most important philanthropists in America.
Interest in Ken Griffin children remains high, but he and Anne Dias have kept their three kids’ lives private. From his Palm Beach compound to his Midtown supertall tower, Griffin continues to attract attention in both business and public life.
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