DossierBusinessUnited StatesUpdated October 24, 2026

Ken Griffin

Ken Griffin

Ken Griffin is an American hedge fund manager who founded and runs Citadel, a hedge fund he started in 1990. He is the founder, chief executive officer, co-chief investment officer and 80% owner of Citadel LLC. He moved Citadel's operations from Chicago to Miami in 2022 and is expanding a multibillion-dollar development project in Brickell. He began trading from his Harvard dorm in 1987 before founding Citadel. He has given hundreds of millions of dollars to political candidates and causes, usually Republican or conservative in ideology, and has given some $2.7 billion to philanthropic causes.

Country
United States
Field
Business
Leaning
Right
Fact checks
1

Political leaning

Far leftRightFar right
Economic+2.0
State-ledFree market

Why we place them here

  • Describes himself as a Reagan Republican. [1]
  • Has given $150,000 to Restore Our Future, more than $560,000 to the Republican Governors Association and $300,000 to American Crossroads. [1]
  • Has contributed hundreds of millions of dollars to political candidates and causes, usually Republican or conservative in ideology. [1]

Fact checks

Record

  • Controversy · October 1, 2026

    Helipad plans draw neighbourhood criticism

    Griffin faced criticism from neighbours over plans to build a helipad at a marina. [2]

Affiliations

  • Citadel LLC

    Citadel is a hedge fund Griffin founded in 1990; he is its founder, chief executive officer, co-chief investment officer and 80% owner. [3]

Sources

  1. [1]finance.biggo.com
  2. [2]miaminewtimes.com
  3. [3]en.wikipedia.org
  4. [4]Photo: Paul Elledge / Wikimedia Commons, CC BY-SA 4.0

Profiles are compiled from public reporting and updated as new information appears.

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