Alexander's is a real estate investment trust that leases, manages, develops, and redevelops properties, primarily located in New York City, with a portfolio including office and retail spaces, shopping centers, and an apartment tower. The company is managed by Vornado Realty Trust, which handles leasing and property development under annual agreements. Alexander's generates revenue primarily through long-term tenant leases, with a significant concentration in office tenancies, and operates properties anchored by major retailers and other institutional tenants.