As of February 2026 Extra Space Storage has a market cap of โน2.801 Trillion. This makes Extra Space Storage the world's 795th 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 Feb 1st, 2026 the market cap of Extra Space Storage was reported to be: