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 ...

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 ...

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

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 ...

52nd St.; and mega-billionaire investor Ken Griffin. Citadel and Citadel Securities, separate companies that Griffin leads, will be the skyscraper’s anchor tenants with at least 850,000 square feet.

Ken Griffin's Citadel Securities is making moves in the cryptocurrency space as the Trump administration embraces the digital assets. Citadel Securities plans to offer cryptocurrency trading services.

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 ...

This week's banking & finance news. Ken Griffin's market-making firm Citadel Securities is reportedly planning to offer cryptocurrency trading services. According to Bloomberg sources familiar ...