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

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

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

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

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

Ken Griffin just snapped up two more impressive pieces of U.S. history.

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

Originally issued by Lincoln during the Civil War in 1863, the proclamation declared enslaved people in the Confederate ...

"Stay current in the body of knowledge that represents the career you've chosen," Ken Griffin said. Mike Blake/Reuters. Ken ...

Billionaire hedge funder Kenneth Griffin was the buyer of record-breaking copies of the 13th Amendment and the Emancipation ...

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

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