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

Griffin, who owns the property through Blossom Way Holdings LLC, plans to rehabilitate four of the sand-retention structures.

Hedge fund billionaire Ken Griffin doesn't sound happy with Donald Trump's tariff policies. The founder and CEO of investment firm Citadel on Tuesday called aggressive trade talk from the new ...

But when a real wolf appeared, no one trusted his words anymore. Citadel's CEO Ken Griffin's comments about Trump’s tariffs sound a lot like the lesson from The Boy Who Cried Wolf. Citadel is ...

The identity of the buyer was unclear at the time, but the Wall Street Journal reported it was Citadel founder Ken Griffin who plunked ... a 62-story office tower that will be anchored by Citadel.

Citadel founder Ken Griffin said he’s grateful that Elon Musk is taking time away from his companies to slash government spending but offered blunt criticisms of President Donald Trump’s rhetoric on ...