Iron Mountain Inc (IRM) is overvalued and Lamar Advertising Co (LAMR) is overvalued.
Both trade above our estimate of their intrinsic value. LAMR is the closer of the two: -86%, against -208% for IRM.
Values as of the 22 Sept 2026 close.
Discounting its cash flows at 8.9% (average of 2 methods) values the shares at $38.38; the price of $118.13 is 208% above that value.
Leak Score 28/100 on 8 of 12 signals
Discounting its cash flows at 9.4% (average of 3 methods) values the shares at $78.04; the price of $145.13 is 86% above that value, and 75% of that value comes from beyond year five.
Leak Score 22/100 on 2 of 12 signals
| Metric | IRM | LAMR |
|---|---|---|
| Verdict | Overvalued | Overvalued |
| Price | $118.13 | $145.13 |
| Intrinsic value | $38.38 | $78.04 |
| Margin of safety | -208% | -86% |
| Leak Score | 28/100 (8/12) | 22/100 (2/12) |
| Market cap | $35.2B | $14.7B |
| Revenue growth, 5 years | 10.7% | 7.6% |
| Operating margin | 20.6% | 31.6% |
| Net margin | 5.5% | 23.9% |
| Return on equity | — | 58.9% |
| Debt to equity | — | 5.07 |
| P/E | 84.3x | 26.5x |
| Forward P/E | 42.5x | 23.0x |
| P/B | — | 15.0x |
| Dividend yield | 2.9% | 4.5% |