More than 50 years ago, Citibank moved from 55 Wall St. to a gleaming new office tower at 399 Park Ave. in the first wave of a migration of banks and securities firms from downtown to Midtown. In that ...

Alternative investment firm Blue Owl Capital leased 137,660 square feet at RFR Holding’s Seagram Building at 375 Park Avenue, RFR announced Wednesday. Currently located on the 38th floor of 399 Park ...

A suspect was spotted entering the Blackstone building holding an assault weapon. Get updates on the developing situation.

Lehman Brothers is looking to shed 500,000 square feet of prime office space in Midtown. Lehman, which just announced another $3 billion write down, is subleasing out space to tenants at its trophy ...