10-QPeriod: Q3 FY2025

ARCH CAPITAL GROUP LTD. Quarterly Report for Q3 Ended Sep 30, 2025

Filed November 6, 2025For Securities:ACGLACGLNACGLO

Summary

Arch Capital Group Ltd. (ACGL) reported strong financial results for the third quarter of 2025, demonstrating resilience and strategic execution across its diverse insurance, reinsurance, and mortgage segments. The company's net income available to common shareholders increased significantly year-over-year, driven by robust underwriting income and solid investment returns. This performance was underpinned by effective cycle management, capital allocation to profitable segments, and successful integration of acquired businesses, notably the Allianz MCE Acquisition. Key financial metrics reflect a healthy operational performance, including growth in book value per share and strong annualized returns on average common equity. The company continues to prioritize returning capital to shareholders through significant share repurchases, alongside strategic investments in its platform. Management remains focused on leveraging its diversified global platform and underwriting discipline to navigate evolving market conditions, particularly in the competitive property and casualty market, while maintaining a strong balance sheet and capital-generating capabilities.

Financial Statements
Beta
Revenue$5.11B
Interest Expense$37.00M
Net Income$1.35B
EPS (Basic)$3.63
EPS (Diluted)$3.56
Shares Outstanding (Basic)369.00M
Shares Outstanding (Diluted)376.10M

Key Highlights

  • 1Net income available to Arch common shareholders increased to $1,340 million for the three months ended September 30, 2025, up from $978 million in the prior year period.
  • 2Book value per share grew to $62.32 as of September 30, 2025, from $53.11 as of December 31, 2024, reflecting strong underwriting and investment returns.
  • 3The company repurchased approximately $1.1 billion of its common shares during the nine months ended September 30, 2025, signaling a commitment to returning capital to shareholders.
  • 4Underwriting income for the insurance segment was $129 million, for the reinsurance segment was $482 million, and for the mortgage segment was $260 million for the three months ended September 30, 2025, indicating strong performance across all divisions.
  • 5Net premiums earned increased by 11.6% in the insurance segment and 6.5% in the reinsurance segment for the three months ended September 30, 2025, compared to the prior year period.
  • 6The company maintained a strong capital position, with a debt-to-total capital ratio of 10.3% as of September 30, 2025.
  • 7Total investments grew to $45,323 million as of September 30, 2025, from $40,540 million as of December 31, 2024, driven by strong cash flows and investment returns.

Frequently Asked Questions

For the three months ended September 30, 2025, Arch Capital reported net income available to Arch common shareholders of $1,340 million, a significant increase from $978 million in the same period of 2024.

Arch Capital's book value per share increased to $62.32 as of September 30, 2025, up from $53.11 as of December 31, 2024. This growth was primarily attributed to strong underwriting and investment returns.

Arch Capital demonstrated a commitment to returning capital through significant share repurchases. During the nine months ended September 30, 2025, the company repurchased approximately $1.1 billion of its common shares. Additionally, $1.9 billion of share repurchases were available under the program as of September 30, 2025.

All three segments contributed positively. The insurance segment reported $129 million in underwriting income, the reinsurance segment generated $482 million, and the mortgage segment contributed $260 million in underwriting income for the three months ended September 30, 2025.