Key Takeaways BRK.B's vast diversification, strong cash reserves and disciplined capital use fuel long-term stability.ACGL benefits from premium growth, strategic acquisitions and a robust capital and liquidity position.ACGL posts higher ROE than BRK.B, but Berkshire shows stronger price performance year to date.Better pricing, growing climate-related risks and rapid digitalization have been influencing the insurance industry's course through 2025. While insurers continue to face catastrophe losses, improve ...