Stocktoria
IRON MOUNTAIN INC IRM
NYSE · XNYS · reit · Real Estate Investment Trusts · website · IPO 1996-02-01
IRON MOUNTAIN INC statistics & valuation
Market cap as of 2026-06-30. Multiples are price-derived and refreshed daily; everything else is from filings.
P / E vs its own history
IRON MOUNTAIN INC trades at about 257.8× earnings — above its 10-year norm (10-year range 28.3×–188×, median 54.7×).
28.3×
188×
Historical P/E = month-end price near each fiscal year-end ÷ that year's EPS. A read on whether the stock is cheap or dear relative to how it has typically been valued — not a forecast.
Key ratios (by fiscal year)
| Ratio | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 | FY2019 | FY2018 | FY2017 | FY2016 |
|---|---|---|---|---|---|---|---|---|---|---|
| Operating margin | 16.9% | 16.4% | 16.8% | 20.6% | 19.0% | 22.5% | 18.3% | 19.1% | 16.5% | 14.3% |
| FCF margin | -13.5% | -9.7% | -4.1% | 1.0% | 3.3% | 13.2% | 6.4% | 11.3% | 9.9% | 6.1% |
| Debt / equity | -16.75× | -27.27× | 56.35× | 16.60× | 10.82× | 7.66× | 5.92× | 4.37× | 3.07× | 3.23× |
| Current ratio | 0.74 | 0.55 | 0.78 | 0.81 | 0.71 | 0.64 | 0.63 | 0.81 | 1.47 | 1.06 |
Source: SEC EDGAR filings · CIK 0001020569 · as of 2025-12-31. Facts from filings plus Stocktoria's own computed scores — not investment advice.