As of December 31, 2019, the company owned 43 properties comprising 14,438,964 square feet, and was reported to be "New York City’s largest office landlord".

[8] In December 2007, the company acquired 388 Greenwich Street from Citigroup in a leaseback transaction.

[10] In 2010, the company acquired the Pershing Square Building from Shorenstein Properties for $330 million.

[11] In 2011, the company sold One Court Square in Long Island City, Queens to David Werner and Joel Schreiber for $481 million[12][13] In August 2017, the company sold the Montague-Court Building for $171.0 million.

[14] In November 2018, the company purchased a $148 million stake in 245 Park Avenue from Chinese conglomerate HNA Group.