Berkshire Hathaway Inc (BRK-A) is slightly undervalued and Berkshire Hathaway Inc (BRK-B) is slightly undervalued.
Against our estimates of intrinsic value, BRK-A trades at the wider discount: a margin of safety of +11%, against +10% for BRK-B.
Values as of the 22 Sept 2026 close.
Book value at 1.64x, the multiple a 12.1% return on equity justifies, blended with earnings, values the shares at $845738.46; the price of $755649.12 is 11% below that value.
Leak Score 55/100 on 10 of 12 signals
Book value at 1.63x, the multiple a 12.1% return on equity justifies, blended with earnings, values the shares at $562.02; the price of $503.49 is 10% below that value.
Leak Score 55/100 on 10 of 12 signals
| Metric | BRK-A | BRK-B |
|---|---|---|
| Verdict | Slightly undervalued | Slightly undervalued |
| Price | $755649.12 | $503.49 |
| Intrinsic value | $845738.46 | $562.02 |
| Margin of safety | +11% | +10% |
| Leak Score | 55/100 (10/12) | 55/100 (10/12) |
| Market cap | $970.4B | $968.8B |
| Revenue growth, 5 years | 8.6% | 8.6% |
| Operating margin | 16.3% | 16.3% |
| Net margin | 22.3% | 22.3% |
| Return on equity | 12.1% | 12.1% |
| Debt to equity | 0.17 | 0.17 |
| P/E | 12.7x | 12.7x |
| Forward P/E | 22.7x | 22.7x |
| P/B | 1.4x | 1.4x |