10-KPeriod: FY2025

ARCH CAPITAL GROUP LTD. Annual Report, Year Ended Dec 31, 2025

Filed February 26, 2026For Securities:ACGLACGLNACGLO

Summary

Arch Capital Group Ltd. (ACGL) reported strong financial results for the year ending December 31, 2025, demonstrating robust underwriting and investment performance across its insurance, reinsurance, and mortgage segments. The company achieved a net income of $4.4 billion, with book value per share growing 22.6% to $65.11, reflecting effective capital management and profitable operations. Strategic acquisitions, such as the Allianz U.S. Middle Market Property and Casualty and Entertainment insurance business, contributed positively to premium growth, particularly within the insurance segment. The reinsurance segment delivered substantial underwriting income, navigating competitive market conditions with disciplined underwriting and a focus on specialty lines. The mortgage segment continued its trend of generating over $1 billion in underwriting income, showcasing stable U.S. market share and disciplined underwriting. ACGL also actively returned capital to shareholders through share repurchases totaling $1.9 billion in 2025, signaling confidence in its ongoing financial strength and future prospects. The company's diversified business model and experienced management team appear well-positioned to manage market cycles and capitalize on opportunities in the specialty insurance and reinsurance landscape.

Key Highlights

  • 1Arch Capital Group Ltd. reported net income of $4.4 billion for the year ended December 31, 2025.
  • 2Book value per share increased by 22.6% to $65.11 at December 31, 2025, up from $53.11 at December 31, 2024.
  • 3The insurance segment's net premiums written grew by 13.4% to $7.8 billion, bolstered by the acquisition of Allianz's U.S. Middle Market P&C and Entertainment business.
  • 4The reinsurance segment contributed $1.6 billion in underwriting income, despite a competitive market for property catastrophe renewals.
  • 5The mortgage segment delivered $1 billion in underwriting income for the fourth consecutive year.
  • 6The company repurchased $1.9 billion of its common shares in 2025, demonstrating a commitment to returning capital to shareholders.
  • 7Total investable assets managed by Arch Capital stood at $47.4 billion at December 31, 2025.

Frequently Asked Questions

Arch Capital reported strong financial performance in 2025, with net income of $4.4 billion and a 22.6% increase in book value per share to $65.11. All three segments—insurance, reinsurance, and mortgage—contributed positively to underwriting income, and the company actively returned capital to shareholders through share repurchases totaling $1.9 billion.

The acquisition of Allianz's U.S. Middle Market Property and Casualty insurance business and U.S. Entertainment business on August 1, 2024, significantly contributed to the insurance segment's growth. It resulted in a 13.4% increase in net premiums written for the segment, reaching $7.8 billion, and enhanced Arch Capital's capabilities in the U.S. middle markets and entertainment insurance.

Arch Capital expressed measured optimism for 2026, acknowledging increased competition in its property and casualty businesses. The company remains committed to its cycle management strategy, emphasizing risk selection, leveraging its diversified specialty platform, and utilizing data and analytics to enhance insights and customer experience. A strong balance sheet provides capital optionality for future strategic decisions.