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Iron Mountain Incorporated

IRM
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Iron Mountain Incorporated at a glance

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Iron Mountain Incorporated (IRM) is a Real Estate company in the REIT - Specialty industry, headquartered in Portsmouth, NH, with about 29,400 employees. Its shares trade on NYSE, and its IPO date is February 1, 1996. With a market capitalization of $33.0 billion, IRM is a large-cap stock.

It trades an average of 1.7 million shares a day.

In its latest reported quarter (results released August 5, 2026), Iron Mountain Incorporated posted revenue of $2.0 billion and earnings of $0.60 per share, against estimates of $2.0 billion and $0.54.

Figures as of October 14, 2026, from market data providers. Descriptive only, not financial advice.

IRM: Frequently asked questions

As of October 14, 2026, Iron Mountain Incorporated has a market capitalization of $33.0 billion, making it a large-cap company in the Real Estate sector.

Figures update throughout the day from market data providers. Nothing on this page is financial advice.