| PSA Market Cap History Table | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Below is a table of the PSA market cap history going back to 2/25/2010:
Also see: PSA Shares Outstanding History and PSA YTD Return |
PSA Market Cap History — Public Storage Capitalization Over Time
As of 7/21/2026 Public Storage has a market cap of 54.40 billion. Investors often follow the PSA market cap history to compare the size of the company over time.
This page shows PSA market capitalization trends over time, with 66 market cap datapoints presented, dating back to 2/25/2010.
| PSA Market Cap History Chart | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PSA Historical Market Cap: +8.68% CAGR 
Mouse over chart for data details
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| PSA Stock Price Chart |
| About Public Storage |
| Public Storage is a real estate investment trust (REIT). Co. is engaged in the ownership and operation of self-storage facilities and other related operations including tenant reinsurance and third-party self-storage management. It offers storage spaces for lease on a month-to-month basis, for personal and business use. Its segments include Self-Storage Operations and Ancillary Operations. The Self-Storage Operations segment includes the aggregated rental operations from the self-storage facilities it owns from same store facilities, acquired facilities, developed, and expanded facilities, and other non-same store facilities. We show 66 historical shares outstanding datapoints in our PSA shares outstanding history coverage, used to compute PSA market cap on those dates. Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing PSA market cap history over the course of time is important for investors interested in comparing PSA'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 PSA versus a peer is one thing; comparing PSA 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 PSA can fluctuate over the course of history. With this page we aim to empower investors researching PSA by allowing them to research the PSA market cap history. |
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| Video: The Importance of Market Cap | |
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Video: The Importance of Market Cap
| PSA Share Performance |
| Market Cap Peers |
| Public Storage (PSA) is categorized under the Financials sector; to help you further research historical market cap numbers, below are some other companies in the same sector:
PSB Market Cap History PSBD Market Cap History PSCM Market Cap History PSEC Market Cap History PSK Market Cap History PSLV Market Cap History PSR Market Cap History PSTL Market Cap History PT Market Cap History PTF Market Cap History More Financials companies » |
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