Arch reports $1.025 billion in third-quarter net income and $1.4 billion in buybacks

Arch Capital Group reported third-quarter 2026 net income available to common shareholders of $1.025 billion, or $3.00 per diluted share, and after-tax operating income of $910 million, or $2.67 per share, for the quarter ended September 30, 2026. Underwriting income fell 19.4% to $702 million as catastrophe losses rose to $234 million, while the combined ratio increased to 82.5%; net investment income increased to $451 million, but the company recorded $99 million in net realized investment losses. Arch repurchased $1.4 billion of shares during the quarter, and book value per common share was $67.90 at September 30, down 0.2% from June 30.