Public Storage, a constituent of the S&P 500 index, operates as a real estate investment trust (REIT) primarily dedicated to acquiring, developing, owning, and managing self-storage facilities. As of December 31, 2025, the company boasted a significant footprint in the United States, with ownership and/or operation of 3,533 self-storage sites across 40 states, collectively offering approximately 258 million net rentable square feet. Furthermore, it possessed a 35% common equity interest in Shurgard Self Storage Limited (Euronext Brussels: SHUR), an entity that owned 332 self-storage facilities spanning seven Western European countries, accounting for roughly 18 million net rentable square feet under the Shurgard brand.