MKL vs RLI
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. RLI: RLI Corp. is a niche specialty insurance carrier focused on underwriting complex property, casualty, and surety risks that standard insurers typically avoid.
Side-by-side fundamentals
| Metric | MKL | RLI | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $1,944.60 | $58.99 | |
| Market cap as of 2026-07-23 | $24.6B | $5.5B | |
| P/E as of 2026-07-23 | 13.86 | 13.84 | RLI lower |
| PEG as of 2026-07-23 | 7.77 | 0.35 | RLI lower |
| Net margin as of 2026-07-23 | +11.1% | +20.8% | RLI higher |
| Operating margin as of 2026-07-23 | +16.5% | +26.6% | RLI higher |
| ROE as of 2026-07-23 | +9.8% | +22.0% | RLI higher |
| ROA as of 2026-07-23 | +2.6% | +6.4% | RLI higher |
| Debt / equity as of 2026-07-23 | 0.24 | 0.19 | RLI lower |
| Revenue growth (YoY) as of 2026-07-23 | +3.0% | +9.5% | RLI higher |
| Revenue CAGR (3y) SEC XBRL | +9.9% | +3.5% | MKL higher |
| Dividend yield as of 2026-07-23 | +0.1% | +1.2% | RLI higher |
| Dividend streak (yrs) SEC XBRL | n/a | 3 | |
| Beta as of 2026-07-23 | 0.66 | 0.33 | |
| 1-year return as of 2026-07-22 close | -3.9% | -15.3% | MKL 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.