Arch Capital Group Ltd. — Third Quarter 2026 Earnings Summary

Arch Capital Group Ltd. reported net income of $1.0 billion, or $3.00 per share, for the third quarter of 2026, representing an 18.1% annualized return on average common equity. The company recorded pre-tax current accident year catastrophic losses of $234 million and favorable prior year loss reserve development of $179 million, resulting in a combined ratio of 82.5%. Underwriting performance varied by segment, with the Insurance segment showing a 94.4% combined ratio and the Reinsurance segment reporting a 78.3% combined ratio. Additionally, the company executed $1.4 billion in share repurchases during the quarter, while book value per common share decreased slightly to $67.90.