Quick Answer
IRON MOUNTAIN INC reported Stockholders Equity of -$981.01 million for fiscal year 2025.
IRON MOUNTAIN INC Stockholders Equity — Annual History
| Fiscal Year | Stockholders Equity | YoY Change |
|---|---|---|
| 2025 | -$981.01M | -95.0% |
| 2024 | -$503.12M | -337.7% |
| 2023 | $211.65M | -66.8% |
| 2022 | $636.67M | -25.6% |
| 2021 | $855.95M | -24.7% |
| 2020 | $1.14B | -22.4% |
| 2019 | $1.46B | -21.3% |
| 2018 | $1.86B | -19.0% |
| 2017 | $2.30B | +18.6% |
| 2016 | $1.94B | +280.6% |
| 2015 | $508.84M | -40.6% |
| 2014 | $856.36M | -17.8% |
| 2013 | $1.04B | -9.5% |
| 2012 | $1.15B | -7.7% |
| 2011 | $1.25B | -36.0% |
| 2010 | $1.95B | -9.7% |
| 2009 | $2.15B | +18.7% |
| 2008 | $1.81B | -0.1% |
| 2007 | $1.82B | — |
Quarterly Stockholders Equity
| Quarter Ending | Stockholders Equity | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | -$881.96M | -240.5% | -14.9% |
| June 30, 2025 | -$767.44M | -477.6% | -9.9% |
| March 31, 2025 | -$698.52M | -3868.7% | -38.8% |
| December 31, 2024 | -$503.12M | -337.7% | -94.2% |
| September 30, 2024 | -$259.01M | -198.7% | -94.9% |
| June 30, 2024 | -$132.87M | -131.9% | -816.9% |
| March 31, 2024 | $18.54M | -96.6% | -91.2% |
| December 31, 2023 | $211.65M | -66.8% | -19.4% |
- IRON MOUNTAIN INC showed a decrease of -95.0% in Stockholders Equity compared to the prior fiscal year.
- Over the 2007–2025 period, IRON MOUNTAIN INC’s stockholders equity has declined by 154.0% (from $1.82 billion to -$981.01 million).
- The most recent figure is from IRON MOUNTAIN INC’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 12, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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