RLI CORP (RLI) — Investment Memo
🐂 The Bull Case (Warren's voice)
Why the moat is durable and compounds:
- Niche underwriting discipline — RLI dominates small commercial umbrella, surety for odd risks, Hawaii homeowners. Brokers stick because RLI pays claims fairly and stays in the market when others flee. Switching costs are real, not imagined.
- Float is a permanent tailwind — $1.9B in premiums collected upfront, invested in bonds and equities. With a combined ratio historically below 100%, the float is free money. Investment income adds $200–300M per year without underwriting risk.
- Zero debt, 22.7% ROE (genuine) — No leverage to juice returns. Equity compounding from retained earnings, not financial engineering. $0 debt in 2025. This is a fortress balance sheet.
What makes economics exceptional:
- FCF > Net Income — In 2025, FCF of $0.6B exceeded NI of $0.4B. Cash conversion is superb. Over 10 years, FCF CAGR (15.6%) beats NI CAGR (15.0%). Profits are real and growing faster than reported earnings.
- Pricing power in action — Net margin expanded from 14.1% (2016) to 21.4% (2025). Premiums grew 58% in five years while margins widened. That’s rare in insurance.
At what price range does this become genuinely attractive to Berkshire?
- Based on DCF intrinsic value of $237/share, a 25% margin of safety ($178) is a solid entry. A 50% margin ($119) would be a no-brainer — Buffett's ideal.
- At $178, you get a business that earns 20%+ on tangible equity, with zero leverage and a moat that survives 20 years. That's a double-digit compounding machine with a margin of safety.
🐻 The Bear Case (Charlie inverts)
Two structural, permanent threats that impair this business:
- Reserve deficiency on long-tail casualty lines — RLI’s book has accident years going back to 2016. A 1% error in loss reserves (say, $200M) could wipe out a full year of profit. If actuaries mispriced small commercial umbrella or excess liability, the cumulative deficit might take years to surface. This is the silent killer — no one knows until it's too late.
- A single catastrophic loss event — Hawaii homeowners property (short-tail) is exposed to hurricanes. A major storm with $500M+ in losses would shred RLI’s equity (only $1.8B in 2025). Reinsurance might cover part, but broker trust would evaporate. RLI’s niche reputation is built on reliability — one blow-up and the moat floods.
Most likely scenario over 10 years:
- Reserve creep in casualty (slow, silent). Competition from larger carriers entering niches erodes pricing power. Combined ratio drifts from 85% to 95%. ROE falls to 12–15%. Business still works, but the compounding magic is gone. Not a permanent impairment, but a steady fade.
💰 Valuation & Margin of Safety
Reacting to the DCF ($21.8B total / $237.23 per share with 15% FCF growth, 10% discount rate, 3% terminal):
- Intrinsic value estimate: $237 / share
- 25% margin of safety entry: $178 / share (conservative — where we get a 7.5% growth rate baked in)
- 50% margin of safety entry: $119 / share (Buffett's ideal — catastrophe-priced)
Current market price: Not provided, but based on the analysis:
- If current price is $230–250: Fair to slightly expensive. No margin of safety.
- If current price is $180–200: Attractive. Enter with caution.
- If current price is below $150: Strong buy.
The margin decline from 34.4% (2022) to 21.4% (2025) is cyclical, not structural. But if competition intensifies, fair value may be lower than $237. Adjust for a 15% combined ratio deterioration → intrinsic value drops to ~$190.
Verdict: WATCH
The moat is real and durable, but the reserve tail is a ticking clock we cannot fully de-risk without decades of data. At $237 intrinsic value, the stock is fairly priced — no margin for error. We would only buy at $178 or below, where the price compensates for the casualty reserve risk. For now, we watch and wait for a hard market correction or a panic.