Markets were rocky last month thanks to geopolitical tensions, and some of the biggest funds in the industry lost money.

Ken Griffin's Citadel Securities is making moves in the cryptocurrency space as the Trump administration embraces the digital ...

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

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

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

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

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

Developer Marlon Gomez was named in a $10 million foreclosure lawsuit over a development site along the Miami River the same ...

Billionaire Ken Griffin is shifting his stance on crypto as the Trump administration signals a friendlier regulatory approach ...

Citadel Securities is entering crypto market-making, targeting exchanges like Coinbase and Binance as regulatory shifts under ...

Every time he looks out across the water, he sees Gisele's refurbished home and perfect life with her martial arts hunk and ...