Health Care REIT, Inc. is a real estate investment trust (REIT). The Company�s portfolio spans the full spectrum of seniors housing and health care real estate, including seniors housing communities, skilled nursing/post-acute facilities, medical office buildings, inpatient and outpatient medical centers and life science facilities. The Company operates in three segments: seniors housing triple-net, seniors housing operating, and medical facilities. Its properties are primarily comprised of land, building, improvements and related rights. The Company�s hospitals and seniors housing triple-net properties are leased to operators under long-term operating leases. Its medical office building portfolio is primarily self-managed and consists principally of multi-tenant properties leased to health care providers. On January 9, 2013, the Company acquired Sunrise Senior Living, Inc. property portfolio, and the sale of the Sunrise management company.