Iron Mountain Incorporated (IRM) — Defensive Interval Ratio
Iron Mountain Incorporated (IRM) has a Defensive Interval Ratio of 175 days as of September 2025. Defensive assets of $1.37 Billion (cash $-, short-term investments $243.00K, receivables $1.37 Billion) cover 175 days of daily cash needs of $7.82 Million/day. Check IRM tangible net worth ratio to evaluate the tangible quality of the company's equity base.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
Iron Mountain Incorporated Defensive Interval Ratio (1996–2024)
This chart shows how Iron Mountain Incorporated's Defensive Interval Ratio has evolved across 29 annual periods from 1996 to 2024. As of September 2025, the ratio stands at 175 days, meaning defensive assets of $1.37 Billion can fund 175 days of operations without new revenue. Also explore IRM net asset momentum to track the company's year-over-year net asset growth rate.
Annual Defensive Interval Ratio for Iron Mountain Incorporated (1996–2024)
The table below presents the year-by-year Defensive Interval Ratio for Iron Mountain Incorporated from 1996 to 2024, covering 29 annual filings. Each row shows defensive assets, daily cash need, the DIR in days, and the change in days compared to the prior year. For live market cap and the full company financial profile, see IRM market cap overview.
| Year | DIR (days) | Defensive Assets (USD) | Daily Cash Need | Cash | ST Investments | Change (days) |
|---|---|---|---|---|---|---|
| 2024 | 171 days | $1.45 Billion | $8.46 Million/day | $155.72 Million | $- | ▼ -23 days |
| 2023 | 194 days | $1.19 Billion | $6.13 Million/day | $222.79 Million | $-293.28 Million | ▼ -57 days |
| 2022 | 251 days | $1.32 Billion | $5.25 Million/day | $141.80 Million | $- | ▲ +31 days |
| 2021 | 220 days | $1.22 Billion | $5.53 Million/day | $255.83 Million | $- | ▲ +25 days |
| 2020 | 195 days | $1.06 Billion | $5.47 Million/day | $205.06 Million | $- | ▲ +0 days |
| 2019 | 195 days | $1.04 Billion | $5.34 Million/day | $188.69 Million | $- | ▼ -54 days |
| 2018 | 249 days | $997.33 Million | $4.01 Million/day | $150.34 Million | $93.00K | ▼ -232 days |
| 2017 | 481 days | $1.75 Billion | $3.64 Million/day | $903.53 Million | $13.36 Million | ▲ +154 days |
| 2016 | 327 days | $938.39 Million | $2.87 Million/day | $236.48 Million | $10.66 Million | ▲ +64 days |
| 2015 | 264 days | $607.95 Million | $2.31 Million/day | $- | $10.37 Million | ▼ -32 days |
| 2014 | 295 days | $692.86 Million | $2.35 Million/day | $- | $47.03 Million | ▲ +30 days |
| 2013 | 265 days | $695.96 Million | $2.63 Million/day | $- | $47.25 Million | ▲ +30 days |
| 2012 | 235 days | $583.27 Million | $2.48 Million/day | $- | $11.07 Million | ▼ -17 days |
| 2011 | 253 days | $587.70 Million | $2.33 Million/day | $- | $44.23 Million | ▲ +7 days |
| 2010 | 246 days | $577.39 Million | $2.35 Million/day | $- | $44.32 Million | ▼ -21 days |
| 2009 | 267 days | $595.54 Million | $2.23 Million/day | $- | $10.17 Million | ▼ -13 days |
| 2008 | 279 days | $558.44 Million | $2.00 Million/day | $- | $5.61 Million | ▲ +7 days |
| 2007 | 273 days | $571.71 Million | $2.10 Million/day | $- | $7.66 Million | ▼ -2 days |
| 2006 | 275 days | $480.78 Million | $1.75 Million/day | $- | $7.41 Million | ▲ +23 days |
| 2005 | 252 days | $408.56 Million | $1.62 Million/day | $- | $- | ▲ +1 days |
| 2004 | 251 days | $354.43 Million | $1.41 Million/day | $- | $- | ▲ +76 days |
| 2003 | 175 days | $279.80 Million | $1.60 Million/day | $- | $- | ▼ -18 days |
| 2002 | 192 days | $225.42 Million | $1.17 Million/day | $- | $- | ▼ -30 days |
| 2001 | 223 days | $219.05 Million | $983.59K/day | $- | $- | ▲ +18 days |
| 2000 | 205 days | $176.44 Million | $860.42K/day | $- | $- | ▼ -48 days |
| 1999 | 253 days | $104.10 Million | $411.78K/day | $- | $- | ▲ +22 days |
| 1998 | 231 days | $43.10 Million | $186.58K/day | $- | $- | ▲ +27 days |
| 1997 | 204 days | $25.20 Million | $123.56K/day | $- | $- | ▲ +57 days |
| 1996 | 147 days | $17.83 Million | $121.41K/day | $- | $- | — |