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

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

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

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

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

Ken Griffin advises young graduates to read about their chosen fields. "If it's not interesting to you, you picked the wrong career. It's that simple," the billionaire said.

Citadel founder Ken Griffin paid $18.1 million for copies of the 13th Amendment and the Emancipation Proclamation signed by President Abraham Lincoln.

What's trending: Michelin Guide in Philadelphia, South Philly Crossing guard and more 02:10. Citadel CEO Ken Griffin believes American prosperity is a testament to the power of the Constitution.