Ken Griffin has bought a unit in NYC's most ... The deal, according to sources who spoke to the Wall Street Journal, marks the latest addition to Griffin’s portfolio of ultra-luxury properties.

"Billionaire" and "successful hedge fund manager" are titles that carry significant weight on Wall Street. These and others ...

Billionaire hedge funder Ken Griffin has long been known as one of residential real estate’s biggest whales, presiding over a personal property empire estimated to be worth billions. Now ...

The Town Council narrowly approved the plans to replace four groins at billionaire Ken Griffin's estate ... Matzner said the board will take a larger-picture look at groins at its March 27 ...

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.

The Town Council narrowly approved the plans to replace four groins at billionaire Ken Griffin's estate ... Matzner said the board will take a larger-picture look at groins at its March 27 meeting.