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 ...

Hedgefund manager and billionaire Ken Griffin continues his real-estate conquest after buying a historically significant duplex in Manhattan for $45 million. The Wall Street Journal reported ...

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 ...

Ken Griffin spent $45 million on a duplex in Manhattan's 740 Park Avenue.STAN HONDA/Getty Images Billionaire Ken Griffin bought a duplex in Manhattan for $45 million. Griffin owns over a quarter ...

The Town Council narrowly approved the plans to replace four groins at billionaire Ken Griffin's estate ... Royal Poinciana Chapel to celebrate Bach with service performance, organ recital Sunday ...