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

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

Billionaire hedge fund manager Ken Griffin added two of the most iconic artifacts in American history to his growing ...

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

Zohran Mamdani wants Ken Griffin to pay more tax on his Central Park penthouse. We break down what it means for homeowners ...

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

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 ...

As traditional financial institutions warm up to blockchain, a recent funding round reveals how the Miami-based market mover ...

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

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