As of November 2026 Extra Space Storage has a market cap of โน3.258 Trillion. This makes Extra Space Storage the world's 717th 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 Nov 14th, 2026 the market cap of Extra Space Storage was reported to be: