Billionaire hedge fund manager Ken Griffin is seeking to sell a penthouse he owns at Zaha Hadid-designed One Thousand Museum.

Ken Griffin has bought a unit in NYC's most powerful co-op, 740 Park Ave. Early Grace Hedge fund billionaire Ken Griffin has expanded his high-end real estate empire with the $45 million purchase ...

Elon Musk’s Department of Government Efficiency recruited an assistant to billionaire Ken Griffin to help cut costs across ...

The Town Council narrowly approved the plans to replace four groins at billionaire Ken Griffin's estate. Griffin will foot the bill and work will be done under the town's permits. The process for ...

These and others apply to Ken Griffin, CEO and founder of Citadel. It's no surprise that investors and analysts carefully scrutinize the hedge fund's every move, of which there were several ...

The Town Council narrowly approved the plans to replace four groins at billionaire Ken Griffin's estate. Griffin will foot the bill and work will be done under the town's permits. The process for Palm ...