W.W. Grainger Inc (GWW) is overvalued and Wesco International Inc (WCC) is slightly overvalued.
Both trade above our estimate of their intrinsic value. WCC is the closer of the two: -18%, against -101% for GWW.
Values as of the 22 Sept 2026 close.
Discounting its cash flows at 9.8% (average of 3 methods) values the shares at $631.74; the price of $1268.62 is 101% above that value, and 73% of that value comes from beyond year five.
Leak Score 63/100 on 10 of 12 signals
Discounting its cash flows at 10.1% (average of 3 methods) values the shares at $306.67; the price of $362.08 is 18% above that value, and 73% of that value comes from beyond year five.
Leak Score 14/100 on 3 of 12 signals
| Metric | GWW | WCC |
|---|---|---|
| Verdict | Overvalued | Slightly overvalued |
| Price | $1268.62 | $362.08 |
| Intrinsic value | $631.74 | $306.67 |
| Margin of safety | -101% | -18% |
| Leak Score | 63/100 (10/12) | 14/100 (3/12) |
| Market cap | $59.8B | $17.6B |
| Revenue growth, 5 years | 8.8% | 13.8% |
| Operating margin | 15.6% | 5.7% |
| Net margin | 9.9% | 2.9% |
| Return on equity | 47.9% | 14.3% |
| Debt to equity | 0.68 | 1.28 |
| P/E | 32.2x | 25.0x |
| Forward P/E | 24.8x | 18.1x |
| P/B | 14.5x | 3.4x |
| Dividend yield | 0.8% | 0.6% |