Iron Mountain Inc. (IRM)
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Iron Mountain Inc. (IRM) overview
Iron Mountain provides records storage and data-center services as a REIT. It is a member of the S&P 500 and is classified in the Real Estate sector — REITs and property companies whose income is tied to rents and interest rates.
Iron Mountain Inc. trades on the NYSE under the ticker symbol IRM. As of the most recent market data, the stock was priced around $123.82, up 1.78% on the session, giving Iron Mountain Inc. a market capitalization of roughly $36.84B.
Over the past 52 weeks, IRM has traded between $77.77 and $134.68. Shares are valued at a trailing price-to-earnings (P/E) ratio of about 131.7, a common gauge of how richly the market prices the company's earnings. Iron Mountain Inc. also pays a dividend, currently yielding around 2.84%.
Key statistics
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Why investors watch IRM
As one of the larger companies in the Real Estate sector, Iron Mountain Inc. is closely followed by investors and often moves with broader trends across REITs and property companies whose income is tied to rents and interest rates. Traders watch IRM for earnings reports, analyst rating changes, and headlines that can shift sentiment — each of which is summarized on this page as it breaks.
Market Mood
Latest IRM news

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Frequently asked questions
Is Iron Mountain Inc. in the S&P 500?
Yes. Iron Mountain Inc. (IRM) is a member of the S&P 500 index, classified in the Real Estate sector.
What sector is IRM in?
Iron Mountain Inc. is classified in the Real Estate sector of the S&P 500 — REITs and property companies whose income is tied to rents and interest rates.
Where can I find the latest IRM news?
This page collects recent Iron Mountain Inc. (IRM) news and market analysis, each article summarized by AI and tagged with bullish, bearish, or neutral sentiment.
What is Iron Mountain Inc.'s stock price?
As of the most recent market data, Iron Mountain Inc. (IRM) traded at approximately $123.82. Prices move throughout the trading day, so this reflects the latest available quote rather than a live price.
What is Iron Mountain Inc.'s market cap?
Iron Mountain Inc. has a market capitalization of roughly $36.84B, based on its most recent share price and shares outstanding.
What is IRM's P/E ratio?
IRM trades at a trailing price-to-earnings ratio of about 131.7. The P/E ratio compares a company's share price to its earnings per share.