The Seattle Seahawks officially announced the signing of veteran cornerback Shaquill Griffin and waived fourth-year ...

An internal company memo revealed the person is a neurologist who previously worked at Morgan Stanley and is a Harvard grad.

Citadel's Ken Griffin breaks Sotheby's record with bids for two Civil War-era documents. Crain’s Laura Turbay discusses with ...

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

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

Citadel's flagship Wellington fund rose 15.1% last year. Since Citadel's inception in 1990, the firm produced an annualized ...

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

Ken Griffin isn’t just CEO of hedge fund behemoth Citadel. He’s also an avid American history buff who has spent millions acquiring rare documents like first printings of the U.S. Constitution ...

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 ...

Griffin also unloaded his 37th-floor, five-bedroom, 7,400-square-foot Chicago Waldorf Astoria residence for $10.2 million in 2022, which was about a $3 million loss.

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

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 ...