The WACC of Iron Mountain Inc (IRM) is 7.0%.
| Range | Selected | |
| Cost of equity | 6.20% - 8.50% | 7.35% |
| Tax rate | 14.90% - 17.90% | 16.40% |
| Cost of debt | 4.90% - 9.90% | 7.40% |
| WACC | 5.6% - 8.4% | 7.0% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.49 | 0.64 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.20% | 8.50% |
| Tax rate | 14.90% | 17.90% |
| Debt/Equity ratio | 0.41 | 0.41 |
| Cost of debt | 4.90% | 9.90% |
| After-tax WACC | 5.6% | 8.4% |
| Selected WACC | 7.0% | |