BRK.B vs MKL
BRK.B: A diversified holding company that operates through insurance, railroads, utilities, energy, and manufacturing while managing a massive equity securities portfolio. MKL: A diversified insurance and investment holding company focused on compounding shareholder capital through disciplined underwriting, strategic capital allocation, and ownership of a portfolio of industrial and financial businesses.
Side-by-side fundamentals
| Metric | BRK.B | MKL | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $489.39 | $1,944.60 | |
| Market cap as of 2026-07-23 | $1.05T | $24.6B | |
| P/E as of 2026-07-23 | 14.56 | 13.86 | MKL lower |
| PEG as of 2026-07-23 | n/a | 7.77 | |
| Net margin as of 2026-07-23 | +19.3% | +11.1% | BRK.B higher |
| Gross margin as of 2026-07-23 | +24.8% | n/a | |
| Operating margin as of 2026-07-23 | +12.5% | +16.5% | MKL higher |
| ROE as of 2026-07-23 | +10.3% | +9.8% | BRK.B higher |
| ROA as of 2026-07-23 | +6.0% | +2.6% | BRK.B higher |
| Debt / equity as of 2026-07-23 | 0.18 | 0.24 | BRK.B lower |
| Revenue growth (YoY) as of 2026-07-23 | +1.1% | +3.0% | MKL higher |
| Revenue CAGR (3y) SEC XBRL | +7.1% | +9.9% | MKL higher |
| Dividend yield as of 2026-07-23 | n/a | +0.1% | |
| Beta as of 2026-07-23 | 0.12 | 0.66 | |
| 1-year return as of 2026-07-22 close | +2.5% | -3.9% | BRK.B higher |
Fundamentals: Finnhub, as of 2026-07-23. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-22.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.