IRM P/B: current value, 10-year range and year-by-year history
Cash & Leverage
IRM's p/b is lower than 83% of the last 10 years.
P/B History
IRM P/B by year
Yearly range of IRM’s p/b from 2016 to 2026. Over the full period it ranged from -1,180.5 to 677.4, averaging -9.8.
| Year | Low | Average | High | Year-end |
|---|---|---|---|---|
| 2026 | -52.4 | -42.9 | -34.5 | -38.7 |
| 2025 | -145.6 | -72.9 | -38.4 | -38.4 |
| 2024 | -1,180.5 | -81.0 | 677.4 | -137.5 |
| 2023 | 19.6 | 31.0 | 48.8 | 48.4 |
| 2022 | 13.3 | 19.2 | 25.9 | 23.2 |
| 2021 | 7.1 | 11.7 | 16.4 | 16.4 |
| 2020 | 4.4 | 7.3 | 9.4 | 7.5 |
| 2019 | 4.9 | 5.6 | 6.5 | 6.3 |
| 2018 | 3.8 | 4.6 | 5.2 | 5.0 |
| 2017 | 4.5 | 5.2 | 5.9 | 5.4 |
| 2016 | 3.9 | 4.1 | 4.6 | 4.0 |
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How much the market pays relative to the company's accounting net worth (assets minus liabilities). P/B < 1 means the market values the company below what the books say it owns.
Price / Book Value Per ShareMost useful for asset-heavy businesses: banks, insurers, REITs. A P/B near its historical low suggests the market is paying unusually little for the net assets.
- Goodwill and intangibles from acquisitions can inflate book value significantly — some analysts prefer tangible book value.
- Low P/B in technology or software companies is usually irrelevant: their value is in IP and people, not balance sheet assets.
Is IRM P/B High or Low Right Now?
Iron Mountain Incorporated's P/B is currently -38.7, which is historically cheap relative to its 10-year historical range. The 10-year median P/B for IRM is approximately 5.9. See all IRM valuation metrics →
Unlock 10y, 15y, 20y, and 30y history with peer comparison and CSV export.