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

The clock starts ticking Monday to win city approval for Midtown’s most ambitious development project — a 1.8 million ...

Ken Griffin has bought a unit in NYC's most powerful ... Manhattan’s most prestigious co-op building. The deal, according to sources who spoke to the Wall Street Journal, marks the latest ...

Billionaire developer Ken Griffin plans to rehabilitate the aging groins along ... Part of that property is where he is building a 44,000-square-foot estate with a mansion for his mother on 8 acres.

Hedgefund manager and billionaire Ken Griffin continues his real-estate ... She lived in the condominium as a child. The building has been home to other notable tenants like John D.

Julia Koch officially parted ways with an 18-room spread at a famed Lenox Hill co-op building ... Journal reported it was Citadel founder Ken Griffin who plunked down $45 million for the home ...

Ken Griffin spent $45 million on a duplex in ... She lived in the condominium as a child. The building has been home to other notable tenants like John D. Rockefeller Jr. and former Treasury ...

Billionaire developer Ken Griffin plans to rehabilitate the aging ... Part of that property is where he is building a 44,000-square-foot estate with a mansion for his mother on 8 acres.