BERKLEY W R CORP
Q2 2026 Form 13-F

Description and Activity

W. R. Berkley Corporation is an insurance holding company that operates in two primary segments: Insurance and Reinsurance & Monoline Excess. The Insurance segment underwrites commercial insurance, including excess and surplus lines, admitted lines, and specialty personal lines, both in the United States and internationally. The Reinsurance & Monoline Excess segment offers facultative and treaty reinsurance, focusing mainly on the U.S. and select global markets. The company generates revenue primarily through net premiums written, with the Insurance segment contributing approximately 88.2% and the Reinsurance & Monoline Excess segment about 11.8% of the total premiums.

W. R. Berkley Corporation operates 60 businesses, with a decentralized structure that allows for rapid market adaptation. The company's primary customers include businesses and individuals seeking specialized insurance products. Revenue is generated through underwriting premiums and investment income, with net premiums written totaling approximately $10.95 billion in 2023. The company's financial performance is directly impacted by underwriting results, investment income, and market conditions in the insurance and reinsurance sectors. Key factors influencing business performance include the ability to accurately assess and price risk, manage claims, and maintain strong financial ratings from agencies like A.M. Best.