Iron Mountain Inc (IRM) stock
IRMNYSEReal Estate Investment TrustsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 7/3064% above fair value
$113.75−0.83 (-0.72%)
Close on Nov 13, 2026Market cap $33.86BP/E 74.3Yield 2.83%
Iron Mountain total assets
Total assets on the balance sheet at the end of each period.
Iron Mountain's total assets was $22.32B at Sep 30, 2026. For fiscal 2025 it was $21.13B, up 12.9% from the year before. Over ten years it grew 12.8% a year on average. The highest annual figure on record is $21.13B in fiscal 2025.
Annual total assets
| Period | Period end | Value | Change |
|---|---|---|---|
| FY2025 | Dec 31, 2025 | $21.13B | +12.9% |
| FY2024 | Dec 31, 2024 | $18.72B | +7.1% |
| FY2023 | Dec 31, 2023 | $17.47B | +8.3% |
| FY2022 | Dec 31, 2022 | $16.14B | +11.7% |
| FY2021 | Dec 31, 2021 | $14.45B | +2.1% |
| FY2020 | Dec 31, 2020 | $14.15B | +2.4% |
| FY2019 | Dec 31, 2019 | $13.82B | +16.5% |
| FY2018 | Dec 31, 2018 | $11.86B | +8.0% |
| FY2017 | Dec 31, 2017 | $10.98B | +15.7% |
| FY2016 | Dec 31, 2016 | $9.49B | +49.4% |
| FY2015 | Dec 31, 2015 | $6.35B | -2.6% |
| FY2014 | Dec 31, 2014 | $6.52B | -1.3% |
| FY2013 | Dec 31, 2013 | $6.61B | +3.9% |
| FY2012 | Dec 31, 2012 | $6.36B | +5.2% |
| FY2011 | Dec 31, 2011 | $6.04B | -5.8% |
| FY2010 | Dec 31, 2010 | $6.42B | -6.3% |
| FY2009 | Dec 31, 2009 | $6.85B | – |
Quarterly total assets
Change is against the same quarter a year earlier.
| Period | Period end | Value | Change |
|---|---|---|---|
| Q3 FY2026 | Sep 30, 2026 | $22.32B | +8.2% |
| Q2 FY2026 | Jun 30, 2026 | $21.96B | +8.8% |
| Q1 FY2026 | Mar 31, 2026 | $21.49B | +11.0% |
| Q4 FY2025 | Dec 31, 2025 | $21.13B | +12.9% |
| Q3 FY2025 | Sep 30, 2025 | $20.63B | +11.7% |
| Q2 FY2025 | Jun 30, 2025 | $20.18B | +12.3% |
| Q1 FY2025 | Mar 31, 2025 | $19.36B | +8.6% |
| Q4 FY2024 | Dec 31, 2024 | $18.72B | +7.1% |
| Q3 FY2024 | Sep 30, 2024 | $18.47B | +9.4% |
| Q2 FY2024 | Jun 30, 2024 | $17.97B | +7.7% |
| Q1 FY2024 | Mar 31, 2024 | $17.83B | +8.3% |
| Q4 FY2023 | Dec 31, 2023 | $17.47B | +8.3% |
| Q3 FY2023 | Sep 30, 2023 | $16.88B | +7.5% |
| Q2 FY2023 | Jun 30, 2023 | $16.68B | +6.8% |
| Q1 FY2023 | Mar 31, 2023 | $16.47B | +5.4% |
| Q4 FY2022 | Dec 31, 2022 | $16.14B | +11.7% |
| Q3 FY2022 | Sep 30, 2022 | $15.69B | +10.3% |
| Q2 FY2022 | Jun 30, 2022 | $15.62B | +9.1% |
| Q1 FY2022 | Mar 31, 2022 | $15.63B | +12.1% |
| Q4 FY2021 | Dec 31, 2021 | $14.45B | +2.1% |
| Q3 FY2021 | Sep 30, 2021 | $14.23B | +4.0% |
| Q2 FY2021 | Jun 30, 2021 | $14.31B | -0.4% |
| Q1 FY2021 | Mar 31, 2021 | $13.94B | +2.8% |
| Q4 FY2020 | Dec 31, 2020 | $14.15B | +2.4% |
| Q3 FY2020 | Sep 30, 2020 | $13.68B | +0.8% |
| Q2 FY2020 | Jun 30, 2020 | $14.37B | +4.7% |
| Q1 FY2020 | Mar 31, 2020 | $13.57B | -0.9% |
| Q4 FY2019 | Dec 31, 2019 | $13.82B | +16.5% |
| Q3 FY2019 | Sep 30, 2019 | $13.58B | +15.0% |
| Q2 FY2019 | Jun 30, 2019 | $13.72B | +16.1% |
| Q1 FY2019 | Mar 31, 2019 | $13.69B | +14.1% |
| Q4 FY2018 | Dec 31, 2018 | $11.86B | +8.0% |
| Q3 FY2018 | Sep 30, 2018 | $11.81B | +15.1% |
| Q2 FY2018 | Jun 30, 2018 | $11.82B | +20.4% |
| Q1 FY2018 | Mar 31, 2018 | $12.00B | +24.0% |
| Q4 FY2017 | Dec 31, 2017 | $10.98B | +15.7% |
| Q3 FY2017 | Sep 30, 2017 | $10.26B | – |
| Q2 FY2017 | Jun 30, 2017 | $9.81B | – |
| Q1 FY2017 | Mar 31, 2017 | $9.67B | – |
| Q4 FY2016 | Dec 31, 2016 | $9.49B | – |
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