As of March 2026 Extra Space Storage has a market cap of โน2.810 Trillion. This makes Extra Space Storage the world's 781th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Mar 18th, 2026 the market cap of Extra Space Storage was reported to be: