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 ...

Billionaire developer and Palm Beach resident Ken Griffin's most recent purchases include rare copies of the Emancipation ...

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

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

Citadel boss Ken Griffin scoops up Abraham Lincoln-signed Emancipation Proclamation, 13th Amendment for $18.1M By Ariel Zilber Published June 30, 2025, 4:29 p.m. ET ...

The hedge fund founder paid $13.7 million for a copy of the 13th Amendment and $4.4 million for the Emancipation Proclamation ...

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 ...

Billionaire Ken Griffin, founder and CEO of Citadel, shares his insights with the incoming class of interns. Trump moves Greenland military installation under US Northern Command in Arctic power ...

Citadel founder Ken Griffin opened his remarks to incoming interns with a stark warning: in turbulent markets, “playing defense” is a losing proposition. He argued that traditional safe-haven ...

At the end of 2024, Griffin's Citadel Advisors owned 441,755 shares of Palantir. In the first quarter of 2025, the hedge fund more than tripled its position in the artificial intelligence (AI ...