GFP Real Estate and BDT & MSD Partners have secured approximately 226,500 square feet of new leasing at 1540 Broadway since unveiling a $150 million repositioning of the Midtown Manhattan office tower in January 2026. The leasing activity is led by Comcast Advertising, which signed a long-term lease for approximately 140,000 square feet. Metalmark Capital also signed a 9,314-square-foot lease, while Alight completed a 3,123-square-foot relocation and extension. Earlier activi