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

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

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

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

For the first time since he took office 2019, Gov. Ron DeSantis allowed legislation to become law without his signature.

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

Yet several prominent hedge fund managers sold Nvidia during the first quarter and added shares of Palantir Technologies ( ...

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

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

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

Hedge fund groups Citadel and Millennium have been outshone by smaller rivals so far this year, as the firms were stung by the market volatility unleashed by Donald Trump’s trade war.

Ken Griffin loaded up on Alphabet stock in Q1, too. His Citadel Advisors hedge fund boosted its position in the Google parent ...