SL Green Realty Corp. is a self-managed real estate investment trust, or REIT, with in-house capabilities in property management, acquisitions and dispositions, debt investing, financing, development, redevelopment, construction and leasing. As of December 31, 2025, the Company held interests in 56 buildings totaling 31.4 million square feet. This included ownership interests in 28.0 million square feet in Manhattan buildings and 2.7 million square feet securing debt and preferred equity investments, excluding fund investments. SL Green Realty Corp. was incorporated in 1980 in Maryland, USA.