The WACC of Iron Mountain Inc (IRM) is 6.9%.
| Range | Selected | |
| Cost of equity | 6.30% - 8.30% | 7.30% |
| Tax rate | 14.90% - 17.90% | 16.40% |
| Cost of debt | 4.90% - 9.10% | 7.00% |
| WACC | 5.7% - 8.1% | 6.9% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.54 | 0.62 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.30% | 8.30% |
| Tax rate | 14.90% | 17.90% |
| Debt/Equity ratio | 0.37 | 0.37 |
| Cost of debt | 4.90% | 9.10% |
| After-tax WACC | 5.7% | 8.1% |
| Selected WACC | 6.9% | |