Billionaire investor Ken Griffin's hedge funds at Citadel have all posted positive returns during a volatile 2025, led by the ...

Ken Griffin’s hedge fund Citadel has been outshone by smaller rivals so far this year, as the firm was stung by the market ...

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

Citadel's founder and CEO said that young graduates need to read about the domains they are in.

Griffin reportedly plans to lend his copies of the Thirteenth Amendment and the Emancipation Proclamation to a US institution ...

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

Citadel founder and CEO Ken Griffin told graduates there's no shame in switching careers if they're not truly interested in ...

The hedge fund billionaire, who voted for Trump, said the Republicans’ “Big Beautiful Bill” “will unquestionably add several ...

Citadel founder Ken Griffin said he was asked on a recent trip to Asia why the US was trying to be like China.

Griffin paid a record $13.7M for the 13th Amendment and $4.4 million for the Emancipation Proclamation. Both documents were ...

Ken Griffin bought an Abraham Lincoln–signed copy of the 13th Amendment, for $13.7 million, and the Emancipation Proclamation ...

The hedge-fund billionaire also paid a record $43.2 million for a copy of the U.S. Constitution four years ago.