In July 2024, Griffin purchased a late Jurassic-era stegosaurus skeleton for a record-setting $44.6 million. Griffin has ...

Stock markets have rebounded worldwide from the shock caused by President Donald Trump's tariff proposals.

This year, it passed UBS to become the largest of “dark pools”—those off-exchange platforms where institutions can trade ...

The stock market has proven resilient in the face of President Donald Trump's aggressive trade war and conflict in the Middle ...

Billionaire Ken Griffin just broke the auction sales record for any document signed by President Abraham Lincoln. The Citadel ...

Citadel CEO Ken Griffin gives $15M and loans rare founding documents to the National Constitution Center for America’s 250th anniversary.

Ken Griffin announced Tuesday that he will lend his first-edition copy of the Constitution to the National Constitution Center in Philadelphia for a public exhibit dedicated to the founding ...

Billionaire hedge fund manager and entrepreneur Ken Griffin continues to build his real estate portfolio, buying and selling properties across the globe. But not just any property will do. Griffin ...

GOP donor Ken Griffin suggested the value of the U.S. dollar has significantly deteriorated compared to the euro in the last month under the thumb of President Trump’s latest tariff hike.

Citadel CEO Ken Griffin speaks during the Semafor World Economy Summit 2025 at Conrad Washington on April 23, 2025 in Washington, D.C. Getty Images Hedge fund billionaire Ken Griffin, a major ...

Citadel CEO Ken Griffin, a billionaire supporter of President Donald Trump and a megadonor to Republican candidates, had some unusually harsh words for the president about his trade war: It’s ...