| EXR Market Cap History Table | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Below is a table of the EXR market cap history going back to 2/12/2010:
Also see: EXR Shares Outstanding History and EXR YTD Return |
EXR Market Cap History — Extra Space Storage Capitalization Over Time
As of 4/24/2026 Extra Space Storage has a market cap of 30.02 billion. Investors often follow the EXR market cap history to compare the size of the company over time.
This page shows EXR market capitalization trends over time, with 68 market cap datapoints presented, dating back to 2/12/2010.
| EXR Market Cap History Chart | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
EXR Historical Market Cap: +23.48% CAGR 
Mouse over chart for data details
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| EXR Stock Price Chart |
| About Extra Space Storage Inc |
| Extra Space Storage Inc. is a self-administered and self-managed real estate investment trust (REIT). It owns, operates, manages, acquires, develops and redevelops professionally managed self-storage properties (stores) located throughout the U.S.. Its interest in its stores is held through its operating partnership, Extra Space Storage LP (the Operating Partnership). It owns and/or operates 3,812 self-storage stores in 42 states and Washington, D.C. Its stores comprise approximately 2.6 million units and approximately 292.1 million square feet of rentable space operating under the Extra Space, Life Storage and Storage Express brands. We show 68 historical shares outstanding datapoints in our EXR shares outstanding history coverage, used to compute EXR market cap on those dates. Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing EXR market cap history over the course of time is important for investors interested in comparing EXR's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of EXR versus a peer is one thing; comparing EXR market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like EXR can fluctuate over the course of history. With this page we aim to empower investors researching EXR by allowing them to research the EXR market cap history. |
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| Video: The Importance of Market Cap | |
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Video: The Importance of Market Cap
| EXR Share Performance |
| Market Cap Peers |
| Extra Space Storage (EXR) is categorized under the Financials sector; to help you further research historical market cap numbers, below are some other companies in the same sector:
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