Citadel CEO Ken Griffin already holds the record for the most expensive home purchase in Manhattan and just added to his ...

Hedge fund billionaire Ken Griffin has expanded his high-end real estate empire with the $45 million purchase of a duplex at ...

Socialite Julia Koch sold the 18-room spread in Lenox Hill earlier this month for $45 million to the Citadel founder.

Griffin is the buyer behind the $45 million purchase of a unit at the building from Julia Koch, widow of billionaire ...

Billionaire Ken Griffin has added another luxury home to his collection, buying an apartment in one of Manhattan’s most ...

Nvidia reported excellent fourth-quarter financial results, beating expectations on the top and bottom lines. Revenue ...

Citadel founder and CEO Ken Griffin lauded Elon Musk for leading president Donald Trump's Department of Government Efficiency ...

The capital markets firm Citadel Securities is reportedly planning on diving into the crypto sector. Bloomberg, citing "people familiar with the matter," reports that the market maker aims to serve as ...

The month’s biggest closed sale took place at 740 Park Avenue, the venerable co-op with many high-profile residents.

AI mania has taken the world by storm, with the game-changing tech seemingly poised to permeate almost every aspect of our ...

Hedge fund magnate Ken Griffin has dropped $45 million on an 18-room apartment in 740 Park Avenue, one of Manhattan's most ...