- Berkshire Hathaway (BRK.B) — Berkshire's reinsurance operations (National Indemnity, General Re) are price-setters, not price-takers, in the hardened reinsurance market. Higher global reinsurance rates flow straight through to Berkshire's underwriting and investment income regardless of what any single state regulator allows a primary carrier to charge.
- Progressive (PGR) — Writes auto and home across all 50 states with a rate-filing machine built for constant, granular adjustment. When one state stalls a filing, Progressive's growth simply shifts to states approving increases, diluting any single regulator's leverage over the whole book.
- Chubb (CB) — Global commercial and high-net-worth personal lines diversify Chubb across jurisdictions and currencies; U.S. state rate friction is a rounding error against its international and E&S (excess & surplus lines) business, which isn't subject to the same rate caps.
- Marsh McLennan (MMC) — As the broker connecting primary carriers to reinsurance capacity, MMC's Guy Carpenter unit earns fees on placing capacity at whatever the reinsurance market clears — it profits from the repricing itself, independent of who eats the squeeze downstream.
Who is exposed:
Small, geographically concentrated regional P&C carriers — writing homeowners or auto business heavily in one or two coastal or wildfire-exposed states — are structurally trapped. They buy reinsurance in the same global market as Berkshire and Chubb, at the same hardened prices, but can't diversify their premium base across 50 rate regimes the way PGR and CB can. When a state insurance commissioner delays or denies a rate filing, a national carrier absorbs it and grows elsewhere; a single-state carrier eats the reinsurance cost directly against a frozen premium base, compressing combined ratios until they cut coverage, exit the state, or fail.
The play: This isn't a single-ticker short — it's a lens for reading the sector. Every state rate-filing rejection widens the moat around PGR and CB relative to the regional names quietly losing market share (and sometimes insolvent) in California and Gulf Coast filings. Watch state DOI rate-filing dockets and NAIC's rate-filing database for approval delays as a leading indicator of regional-carrier stress — and for M&A: diversified carriers and reinsurers often pick up exposed state business cheaply once a regional insurer's regulator finally lets go.
Stay three moves ahead of every practice in your market.
Knowing it happened is table stakes. Money Racket Pro hands you the play — what each move means for your margins, your license, and your patients, and exactly what to do about it — in a two-minute brief, twice a week. The owners who read it never get blindsided.
Get the edge · $40/mo Join the owners who run ahead of the industry. Cancel anytime, one click.