BRK.B vs MKL
BRK.B: A massive, diversified conglomerate led by insurance and bolstered by extensive investments in rail, energy, and equity markets. MKL: A holding company combining specialized insurance underwriting with a diverse portfolio of non-insurance businesses and a long-term equity investment strategy.
Side-by-side fundamentals
| Metric | BRK.B | MKL | Edge |
|---|---|---|---|
| Price as of 2026-10-20 close | $539.82 | $1,884.10 | |
| Market cap | $1.16T | $23.3B | |
| P/E as of 2026-10-20 | 13.58 (reported basic EPS of the listed share class; the company has no dilutive securities) | 10.40 | MKL lower |
| Net margin FY2025, SEC XBRL | +18.0% | +13.6% | BRK.B higher |
| Operating margin FY2025, SEC XBRL | n/a | +20.6% | |
| ROE FY2025, SEC XBRL | +9.3% | +11.3% | MKL higher |
| ROA FY2025, SEC XBRL | +5.5% | +3.1% | BRK.B higher |
| Debt / equity filed borrowings, leases excl., balance sheet 2026-06-30 | n/a | 0.23 | |
| Revenue growth (YoY) FY2025, SEC XBRL | +0.0% | +4.7% | MKL higher |
| Revenue CAGR (3y) SEC XBRL | +7.1% | +9.9% | MKL higher |
| Dividend streak (yrs) SEC XBRL | 0 | n/a | |
| Beta as of 2026-09-03 | 0.37 | 0.51 | |
| 1-year return as of 2026-10-20 close | +9.3% | -1.2% | BRK.B higher |
Fundamentals: SEC XBRL company filings for the figures marked with a fiscal year, and market data, as of 2026-09-03 for the rest. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-10-20.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.