Billionaire Ken Griffin bought a duplex in Manhattan for $45 million. Griffin owns over a quarter billion of real estate in New York City alone ... she sold a townhouse in Manhattan for $41 ...

Billionaire hedge funder Ken Griffin has long been known as one of ... another trophy to his real-estate holdings: a duplex at New York’s most storied cooperative, 740 Park Avenue.

Ken Griffin ... of an adjacent townhouse. The developers agreed in December to buy up to 525,000 square feet of air rights from the Roman Catholic Archdiocese of New York for up to $164 million ...

After an earlier transaction with St. Patrick's Cathedral, billionaire Ken Griffin and the team working ... spent $40 million to purchase an adjacent townhouse at 39 E. 51st St. to expand the ...

Ken Griffin told Bloomberg that he thinks Miami "represents the future of America." The Citadel founder said that the city could one day overtake New York as the US' financial hub. Wall Street ...

Billionaire hedge funder Ken Griffin has long been ... a duplex at New York’s most storied cooperative, 740 Park Avenue.