DHC is a real estate investment trust focused on owning high-quality healthcare properties located throughout the United States. DHC seeks diversification across the health services spectrum by care delivery and practice type, by scientific research disciplines and by property type and location. As of September 30, 2025, DHC's approximately $6.7 billion portfolio included 335 properties in 34 states and Washington, D.C., with more than 26,000 senior living units, approximately 6.9 million square feet of medical office and life science properties and occupied by approximately 420 tenants. DHC is managed by The RMR Group (Nasdaq: RMR), a leading U.S. alternative asset management company with approximately $39 billion in assets under management as of September 30, 2025 and more than 35 years of institutional experience in buying, selling, financing and operating commercial real estate. DHC is headquartered in Newton, MA.