Key Takeaways Berkshire's insurance arms drive growth through effective management of losses and LAE.GEICO faces inflationary claims and catastrophe costs, which put pressure on underwriting results.BRK.B stock is up 9.2% YTD. The consensus estimate for 2025 EPS indicates a year-over-year decline.Berkshire Hathaway’s (BRK.B) insurance operations serve as the cornerstone of its business model and remain a key growth engine. GEICO, Berkshire Hathaway Reinsurance Group, and Berkshire Hathaway Primary Group are ...