SL Green Signs Another 123,835 SF at One Vanderbilt Ave. SL Green Realty has signed three leases totaling 123,835 square feet at One Vanderbilt Ave. that bring the 1.7-million square foot skyscraper to 89% occupancy. One is a new 97,652-square-foot, 15-year lease covering floors 63-66 that was signed with one tenant. TD Securities signed a 24,020-square-foot, 20-year lease expansion covering a portion of the 11th floor, increasing the company’s footprint within the building to 142,892 square feet. InTandem Capital Partners LLC and Sagewind Capital LLC jointly signed a 2,163-square-foot, 7-year lease expansion covering a portion of the 24th floor, which increases their footprint within the building to 12,328 square feet.“One Vanderbilt continues to attract companies seeking best-in-class office space, location and amenities and is now on track to exceed our recently revised year-end leasing projection of 90%,” says Steven Durels, executive vice president and director of Leasing and Real Property in prepared remarks.Robert Alexander, Ryan Alexander, Emily Chabrier, Alex D’Amario of CBRE represented the landlord in each transaction.The REIT has been steadily bringing on board tenants for its landmark property. Last month it signed MSD Partners, which is taking 35,567-square-foot in a 15-year lease covering the entire 26th floor, and Mamoura Holdings, which inked a 28,448 square foot, 10-year lease covering the entire 51st floor. Another lease was signed by Nearwater Management for 17,289 square feet, in a 7-year lease covering a portion of the 33rd floor. At the time CEO Marc Holliday told Bloomberg that it had six leases pending and if they were to close the building would be close to 90% occupancy.