Iron Mountain Incorporated Net Asset Quality Index
Iron Mountain Incorporated net asset quality index. Iron Mountain Incorporated (IRM) has a Net Asset Quality Index of -2.9% as of September 2025. This metric measures the proportion of total assets financed by shareholders' equity — total assets of $20.63 Billion minus total liabilities of $21.24 Billion yields net assets of $-607.80 Million. A higher index indicates a stronger, lower-leverage balance sheet. Check IRM cash to earnings ratio to evaluate the quality of earnings relative to operating cash generation.
Quality Index
Net Assets
Total Assets
Total Liabilities
Net Asset Quality Index of Iron Mountain Incorporated (1996–2024)
Net asset quality index of Iron Mountain Incorporated from 1996 to 2024. This chart shows how Iron Mountain Incorporated's Net Asset Quality Index has evolved across 29 annual periods from 1996 to 2024. As of September 2025, the index stands at -2.9%, representing net assets of $-607.80 Million against total assets of $20.63 Billion USD. See Iron Mountain Incorporated book value and equity for net asset value and shareholders' equity analysis.
Iron Mountain Incorporated Net Asset Quality Index by Year (1996–2024)
Iron Mountain Incorporated net asset quality index by year from 1996 to 2024. The table below presents the year-by-year Net Asset Quality Index for Iron Mountain Incorporated from 1996 to 2024, covering 29 annual filings. Each row shows total assets, total liabilities, net assets, the quality index percentage, and the change in percentage points compared to the prior year. For live market cap and overall valuation, see IRM stock market capitalisation.
| Year | Quality Index | Net Assets (USD) | Total Assets | Total Liabilities | Change (pp) |
|---|---|---|---|---|---|
| 2024 | -1.2% | $-226.50 Million | $18.72 Billion | $18.94 Billion | ▼ -3.4 pp |
| 2023 | 2.2% | $389.72 Million | $17.47 Billion | $17.08 Billion | ▼ -2.3 pp |
| 2022 | 4.5% | $731.95 Million | $16.14 Billion | $15.41 Billion | ▼ -1.9 pp |
| 2021 | 6.4% | $929.48 Million | $14.45 Billion | $13.52 Billion | ▼ -1.6 pp |
| 2020 | 8.0% | $1.14 Billion | $14.15 Billion | $13.01 Billion | ▼ -2.6 pp |
| 2019 | 10.6% | $1.46 Billion | $13.82 Billion | $12.35 Billion | ▼ -5.1 pp |
| 2018 | 15.7% | $1.86 Billion | $11.85 Billion | $9.99 Billion | ▼ -5.3 pp |
| 2017 | 21.0% | $2.30 Billion | $10.97 Billion | $8.67 Billion | ▲ +0.5 pp |
| 2016 | 20.4% | $1.94 Billion | $9.49 Billion | $7.55 Billion | ▲ +12.1 pp |
| 2015 | 8.3% | $528.61 Million | $6.35 Billion | $5.82 Billion | ▼ -5.6 pp |
| 2014 | 14.0% | $917.03 Million | $6.57 Billion | $5.65 Billion | ▼ -1.9 pp |
| 2013 | 15.8% | $1.05 Billion | $6.65 Billion | $5.60 Billion | ▼ -2.5 pp |
| 2012 | 18.3% | $1.16 Billion | $6.36 Billion | $5.20 Billion | ▼ -2.5 pp |
| 2011 | 20.8% | $1.25 Billion | $6.04 Billion | $4.79 Billion | ▼ -10.1 pp |
| 2010 | 30.8% | $1.98 Billion | $6.41 Billion | $4.43 Billion | ▼ -0.7 pp |
| 2009 | 31.5% | $2.16 Billion | $6.85 Billion | $4.69 Billion | ▲ +3.1 pp |
| 2008 | 28.4% | $1.81 Billion | $6.36 Billion | $4.55 Billion | ▼ -0.2 pp |
| 2007 | 28.6% | $1.80 Billion | $6.31 Billion | $4.50 Billion | ▼ -1.3 pp |
| 2006 | 29.9% | $1.56 Billion | $5.21 Billion | $3.65 Billion | ▲ +1.0 pp |
| 2005 | 28.9% | $1.38 Billion | $4.77 Billion | $3.39 Billion | ▲ +1.1 pp |
| 2004 | 27.7% | $1.23 Billion | $4.44 Billion | $3.21 Billion | ▼ -1.6 pp |
| 2003 | 29.3% | $1.14 Billion | $3.89 Billion | $2.75 Billion | ▼ -1.8 pp |
| 2002 | 31.2% | $1.01 Billion | $3.23 Billion | $2.22 Billion | ▼ -2.1 pp |
| 2001 | 33.3% | $951.25 Million | $2.86 Billion | $1.91 Billion | ▼ -3.1 pp |
| 2000 | 36.4% | $967.49 Million | $2.66 Billion | $1.69 Billion | ▼ -3.9 pp |
| 1999 | 40.3% | $531.10 Million | $1.32 Billion | $786.10 Million | ▲ +34.6 pp |
| 1998 | 5.7% | $38.00 Million | $666.50 Million | $628.50 Million | ▼ -9.3 pp |
| 1997 | 15.0% | $59.30 Million | $394.70 Million | $335.40 Million | ▲ +25.9 pp |
| 1996 | -10.8% | $-25.44 Million | $234.82 Million | $260.26 Million | — |