• Arch Capital Group reported net income available to common shareholders of USD 1.04 billion for first-quarter 2026, up 83.9% year over year, with annualized ROAE rising to 17.8% from 11.1%.
• After-tax operating income available to common shareholders climbed to USD 901 million from USD 587 million, lifting annualized operating ROAE to 15.4% from 11.5%.
• Underwriting income totaled USD 728 million, led by reinsurance at USD 441 million and mortgage at USD 221 million; insurance underwriting swung to a USD 66 million profit from a USD 2 million loss.
• Book value per share increased 1.7% in the quarter to USD 66.19; share repurchases totaled USD 783 million.
• Management flagged a more competitive market backdrop while saying rates and terms still support attractive returns; insurance expenses remained elevated on MCE Acquisition transition costs expected to extend into mid-year.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Arch Capital Group Ltd. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0000947484-26-000058), on May 05, 2026, and is solely responsible for the information contained therein.