Iron Mountain Incorporated
IRM Real Estate Reit Specialty
Iron Mountain Incorporated’s revenue for fiscal 2025 (year ended December 2025) was $6.9 billion, up 12.2% from fiscal 2024. In the quarter to June 2026, revenue grew 18.5%, EPS grew 326.7%, free cash flow grew 58.6% and total debt rose 11.2%, each against the same quarter a year earlier. Member of the S&P 500; dividend growth for ten consecutive years, revenue growth for five, operating cash flow growth for three; insiders bought in the last twelve months.
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Iron Mountain Incorporated (IRM) Operating cash flow
Iron Mountain Incorporated's operating cash flow for fiscal 2025 was $1.3B, up 12.0% from $1.2B in fiscal 2024. Over the twelve months to 30 June 2026 it was $1.7B. Over the past ten years it has ranged from $541.8M (fiscal 2015) to $1.3B (fiscal 2025) — the current reading is the highest in ten years. Operating cash flow has risen for 4 consecutive fiscal years. Iron Mountain Incorporated ranks 5th of 18 Reit Specialty companies by operating cash flow.
Operating cash flow, annual
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Annual newest first
| Period | Operating cash flow | Change |
|---|---|---|
| FY2025 | $1.3B | 11.97% |
| FY2024 | $1.2B | 7.47% |
| FY2023 | $1.1B | 20.04% |
| FY2022 | $927.7M | 22.24% |
| FY2021 | $758.9M | (23.16%) |
| FY2020 | $987.7M | 2.17% |
| FY2019 | $966.7M | 3.32% |
| FY2018 | $935.5M | 29.76% |
| FY2017 | $721.0M | 32.56% |
| FY2016 | $543.9M | 0.39% |
Quarterly newest first
| Period | Operating cash flow | Change |
|---|---|---|
| Jun 2026 | $549.3M | 62.24% |
| Mar 2026 | $338.6M | (32.29%) |
| Dec 2025 | $500.0M | 86.86% |
| Sep 2025 | $267.6M | (28.67%) |
| 42 more quarters | Free account |
Against its own ten years
Operating cash flow against peers
| Company | Operating cash flow |
|---|---|
| AMT American Tower Corporation compare | $5.8B |
| EQIX Equinix, Inc. compare | $3.9B |
| DLR Digital Realty Trust, Inc. compare | $3.0B |
| CCI Crown Castle Inc. compare | $2.6B |
| IRM Iron Mountain Incorporated | $1.7B |
| SBAC SBA Communications Corporation compare | $1.3B |
| GLPI Gaming and Leisure Properties, Inc. compare | $1.2B |
| LAMR Lamar Advertising Company compare | $906.6M |
| WY Weyerhaeuser Company compare | $547.0M |
What Operating cash flow is
Operating Cash Flow shows how much cash a company’s day-to-day business actually brings in, after paying suppliers, staff and taxes.
Reported line item
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