Net Assets for Iron Mountain (IRM)
According to Iron Mountain's latest reported financial statements, the company's latest reported net assets is -$981.01M USD. Net assets — also called stockholders' equity — equal total assets minus total liabilities. They represent the residual claim of shareholders on the company's assets and roughly track book value over time.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
Currently viewingNet AssetsSwitch metric
Latest period
-$981.01M
YoY change
+95.0%
5Y CAGR
N/A
Peak year (2017)
$2.30B
Latest annual
-$981.01M
Net Assets history chart for Iron Mountain (IRM) from 1996 to 2025
Net Assets history table for Iron Mountain (IRM) from 1996 to 2025
| Fiscal year | Period ended | Reported | Net Assets | YoY |
|---|---|---|---|---|
| 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 | -36.3% | ||
| 2010 | $1.96B | -9.2% | ||
| 2009 | $2.15B | +19.4% | ||
| 2008 | $1.80B | +0.4% | ||
| 2007 | $1.80B | +15.6% | ||
| 2006 | $1.55B | +13.4% | ||
| 2005 | $1.37B | +12.4% | ||
| 2004 | $1.22B | +14.3% | ||
| 2003 | $1.07B | +12.8% | ||
| 2002 | $944.86M | +6.6% | ||
| 2001 | $885.96M | -4.2% | ||
| 2000 | $924.46M | +89.1% | ||
| 1999 | $488.80M | +44.2% | ||
| 1998 | $338.90M | +471.5% | ||
| 1997 | $59.30M | -333.1% | ||
| 1996 | -$25.44M | — |
Net Assets values are taken from Iron Mountain's reported balance sheets (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
In 2025, Iron Mountain (IRM) net assets totalled -$981.01M – surged 95.0% year-over-year.
Iron Mountain net assets plunged from $2.30B in 2017 to -$981.01M in 2025, a 142.7% drawdown.
2017 marks the peak net assets at $2.30B, with the historical low of -$981.01M recorded in 2025.
Within Real Estate, Iron Mountain (IRM) ranks 9th among 8 peers we track. The peer median for net assets is $18.54B.
Iron Mountain Net Assets by Year
Iron Mountain Net Assets 2025: -$981.01M
Iron Mountain net assets in 2025 was -$981.01M, surged 95.0% from 2024. This figure represents the lowest annual value in the available history.
Iron Mountain Net Assets 2024: -$503.12M
Iron Mountain net assets in 2024 was -$503.12M, plunged 337.7% below 2023.
Iron Mountain Net Assets 2023: $211.65M
Iron Mountain net assets in 2023 was $211.65M, plunged 66.8% below 2022.
Iron Mountain Net Assets 2022: $636.67M
Iron Mountain net assets in 2022 was $636.67M, declined 25.6% below 2021.
Iron Mountain Net Assets 2021: $855.95M
Iron Mountain net assets in 2021 was $855.95M.
See more financial history for Iron Mountain (IRM).
Sector peers — Net Assets
Companies in the same sector as Iron Mountain, ranked by their latest net assets.
| Company | Net Assets | Sector |
|---|---|---|
| Prologis, Inc. (PLD) | $53.19B | Real Estate |
| Welltower Inc. (WELL) | $42.13B | Real Estate |
| Realty Income Corporation (O) | $39.44B | Real Estate |
| Digital Realty Trust, Inc. (DLR) | $22.93B | Real Estate |
| Equinix, Inc. (EQIX) | $14.16B | Real Estate |
| Public Storage (PSA) | $9.25B | Real Estate |
| Simon Property Group, Inc. (SPG) | $5.21B | Real Estate |
| American Tower Corporation (AMT) | $3.65B | Real Estate |
Frequently asked questions
What is Iron Mountain's net assets?
- Latest reported net assets for Iron Mountain (IRM) is -$981.01M (period ending December 31, 2025).
How has Iron Mountain net assets changed year-over-year?
- Iron Mountain (IRM) net assets changed +95.0% year-over-year on the latest annual filing.
When did Iron Mountain net assets hit its highest annual value?
- Iron Mountain net assets reached its highest annual value of $2.30B in 2017.
What was Iron Mountain net assets in 2024?
- Iron Mountain (IRM) net assets in 2024 was -$503.12M.
What was Iron Mountain net assets in 2025?
- Iron Mountain (IRM) net assets in 2025 was -$981.01M.
Metrics overview
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