Arch reports 32.3% rise in Q4’25 underwriting income

Arch Capital Group Ltd., the Bermuda-based insurer and reinsurer, has reported a 32.3% year-on-year rise in underwriting income to $827 million for the fourth quarter of 2025, with a strong performance in both insurance and reinsurance.Group-wide, the combined ratio improved by 4.4 percentage points to 80.6%, down from 85% in Q4’24, as the loss ratio decreased to 53.6%, down from 57.5% in 2024. Overall gross premiums written (GPW) remained relatively flat at $4.8 billion, compared to $4.76 billion in Q4’24. ...