IRM
Iron Mountain Inc.
NYSE · usd
Iron Mountain Inc. (IRM) trades at $109.96 (-0.63%) as of 7:45:32 PM EDT on Oct 23, 2026, -3.62% over the past month. Market cap is $32.94B, with 4.2 days to cover in short interest.
Stock performance
How Iron Mountain Inc. (IRM) stock has performed from one day to one year, with its 52-week range.
- 1D
- -0.63%
- 1W
- -2.27%
- 1M
- -3.62%
- YTD
- +32.56%
- 1Y
- +3.29%
- 52-wk range
- $77.77 – $134.68
Key statistics
Today's trading snapshot for IRM: day range, open, previous close, volume and market cap.
- Day range
- $109.47 – $111.67
- Open
- $110.23
- Prev close
- $110.66
- Volume
- 959.14K
- Market cap
- $32.94B
- Shares out
- 297.7M
Valuation and profitability ratios: P/E, P/S, ROE
Valuation and profitability ratios for Iron Mountain Inc.: P/E, P/S, P/B, ROE and more.
- P/E
- 78.69
- P/S
- 4.36
- P/B
- -25.72
- P/FCF
- —
- ROE
- -32.7%
- ROA
- 1.9%
- Debt/Equity
- -13.54
- Div yield
- 3.03%
As of Oct 22, 2026
8-K filings
Material corporate events Iron Mountain Inc. has disclosed to the SEC on Form 8-K.
- Debt activityJun 26, 2026
On June 26, 2026, Iron Mountain Incorporated (the "Company") completed a private offering of $1,500,000,000 in aggregate principal amount of 6.250% Senior Notes due 2035 (the "Notes"), sold at 100.00% of par. The net proceeds from the offering were approximately $1,481.8 million, after deducting discounts to the initial purchasers and estimated offering expenses.
- Shareholder meetingsMay 12, 2026
The Annual Meeting of Stockholders of Iron Mountain Incorporated (the "Company") was held on May 7, 2026 (the "Annual Meeting"). At the Annual Meeting, the Company's stockholders elected eleven directors, each for a one-year term of office to serve until the Company's 2027 Annual Meeting of Stockholders, or until their successors are elected and qualified.
- Debt activityNov 13, 2025
Pursuant to the Amendment, IMIM incurred incremental term loans in an aggregate principal amount of $200,000,000 (the "Incremental Term B Loans") that are fungible for all purposes with the existing Amendment No. 1 Incremental Term B Loans due 2031 outstanding under the Credit Agreement.
- Board of directorsOct 21, 2025
On October 21, 2025, the board of directors (the "Board") of the Company elected Christie Kelly, age 64, to serve as a director of the Company effective immediately. Ms. Kelly is an accomplished, three-time Fortune 500 CFO in the real estate sector with extensive experience in finance and strategy. Effective immediately, Ms. Kelly will serve on the Audit Committee of the Board.
- Debt activitySep 10, 2025
On September 10, 2025, Iron Mountain Incorporated (the "Company") completed a private offering of €1,200,000,000 in aggregate principal amount of 4.750% Senior Notes due 2034 (the "Notes"), sold at 100.00% of par. The net proceeds from the offering were approximately €1,185.5 million, after deducting discounts to the initial purchasers and estimated offering expenses.
Dividend history and stock splits
Iron Mountain Inc.'s recent dividend payments and stock splits.
Dividends
- $0.86ex-div Sep 15, 2026
- $0.86ex-div Jun 15, 2026
- $0.86ex-div Mar 16, 2026
- $0.86ex-div Dec 15, 2025
Splits
- 3-for-2Jan 3, 2007
- 3-for-2Jul 1, 2004
IRM short interest
How heavily IRM is shorted: shares short, days to cover and average daily volume.
- Days to cover
- 4.2
- Short interest
- 7M
- Avg volume
- 1.65M
As of · reported to FINRA twice monthly.
IRM news
The latest news and headlines about Iron Mountain Inc. (IRM).
- Global Data Center Colocation Market to Reach USD 327.3 Billion by 2035, Expanding at a 14.5% CAGR: Custom Market Insights (Analysis, Outlook, Leaders, Report, Trends, Forecast, Segmentation, Growth Rate, Value, SWOT Analysis)positiveGlobeNewswire Inc.· Jun 4, 2026
- Final Countdown to Data Centre LIVE as Industry Leaders Gather to Shape the Future of InfrastructurepositiveGlobeNewswire Inc.· May 13, 2026
- India Data Center Colocation Report 2026: Market to Expand by 25.5% to Reach $7.31 Billion this Year - Revenue, Capacity, and Performance Metrics, Size and Forecasts 2021-2030positiveGlobeNewswire Inc.· Apr 30, 2026
- Iron Mountain Projects Double-Digit Growth in 2026positiveInvesting.com· Feb 12, 2026
- For Data Centers, Power Is the New Real EstatepositiveThe Motley Fool· Jan 21, 2026
Frequently asked questions
What is the Iron Mountain Inc. (IRM) stock price today?
Iron Mountain Inc. (IRM) is trading at $109.96 (-0.63% on the day) as of 7:45:32 PM EDT on Oct 23, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.
What is Iron Mountain Inc.?
Iron Mountain Inc is an information management services provider organized and operated as a real estate investment trust. The company offers solutions to its clients to address their information management, digital transformation, information security, data center, and asset…
What is the short interest in IRM?
As of Sep 30, 2026, IRM has 7M shares short and 4.2 days to cover.
Does Iron Mountain Inc. (IRM) pay a dividend?
Yes. Iron Mountain Inc. (IRM)'s most recent dividend was $0.86 per share, with an ex-dividend date of Sep 15, 2026. Full IRM dividend history is available from the Massive API.
What exchange is IRM listed on?
Iron Mountain Inc. (IRM) trades on NYSE in USD, in the REAL ESTATE INVESTMENT TRUSTS industry.
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