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

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

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

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 ...

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

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

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

Third parties like the one Musk wants to form almost always fail. There's a better template for billionaires who want to be ...

Success Academies, the New York City charter network, is expanding to Florida following a billionaire-backed lobbying spree to secure key funding and real estate.

The US Soccer Federation is taking office space at Soloviev Group’s tower at 9 W. 57th St. in Manhattan. US Soccer’s new spot, located on the building’s 23rd floor, will serve as a satellite office ...