With a market cap of $31.1 billion, Salt Lake City, Utah-based Extra Space Storage Inc. (EXR) is a self-administered, self-managed REIT. As the largest self-storage operator in the United States, the company owned and/or operated 4,238 stores across 43 states and Washington, D.C., offering nearly 326.9 million square feet of rentable space under the Extra Space brand as of September 30, 2025.
Shares of Extra Space Storage have underperformed the broader market over the past 52 weeks. EXR stock has dropped 5.2% over this time frame, while the broader S&P 500 Index ($SPX) has rallied 11.8%. However, shares of the company are up 12.8% on a YTD basis, outpacing SPX’s marginal drop.
