COPT Defense Properties is a self-managed real estate investment trust focused on owning, operating, and developing office and data center properties that serve U.S. Government defense installations and defense contractors. Founded in 1988 and headquartered in Columbia, Maryland, the company operates as an S&P MidCap 400 component trading on the New York Stock Exchange under ticker symbol CDP. The company's portfolio strategy centers on locations proximate to key U.S. Government defense installations where tenants are engaged in national security activities, cybersecurity, and defense-related information technology operations. As of March 31, 2026, the Defense/IT Portfolio consisted of 201 properties encompassing 23.2 million square feet and was 96.4% leased. The company's tenants include the U.S. Government and defense contractors who require mission-critical and high-security property enhancements. The portfolio is concentrated in the Baltimore-Washington region, Northern Virginia, Huntsville, Alabama, and San Antonio, Texas. The company also develops data center shell properties, with over 6.3 million square feet of data centers for the U.S. Government and hyperscale providers.