ARCH CAPITAL GROUP LTD
Q3 2026 Form 13-F

Description and Activity

Arch Capital Group Ltd., a Bermuda-based company listed on the S&P 500 index, operates through wholly owned subsidiaries providing insurance, reinsurance, and mortgage insurance globally. The company’s insurance operations are categorized into three segments: insurance, reinsurance, and mortgage. Arch Capital's insurance operations include property and casualty insurance, specialty insurance, and mortgage insurance, operating in regions such as Bermuda, the U.S., the U.K., Europe, Canada, and Australia. The reinsurance segment offers treaty and facultative reinsurance through subsidiaries like Arch Re Bermuda and Arch Re U.S. The mortgage segment provides mortgage insurance and reinsurance in the U.S. and internationally, primarily through Arch Mortgage Insurance Company and United Guaranty Corporation.

Arch Capital generates revenue primarily through underwriting insurance policies and providing reinsurance coverage, focusing on specialty insurance lines. The company's primary customers are licensed independent brokers who market its products. Its operational structure includes key subsidiaries such as Arch Insurance Company, Arch Specialty Insurance Company, Arch Re Bermuda, and Arch Mortgage Insurance Company. Key factors impacting Arch Capital's business performance include market conditions, regulatory changes, economic factors such as inflation and geopolitical events, and risks associated with catastrophic events and climate change. The company also maintains a diversified investment portfolio, contributing to its revenue streams and financial stability.