BERKSHIRE HATHAWAY Class B (BRK) Price and Market Data

Berkshire Hathaway Class B is a diversified holding company with a broad portfolio of subsidiaries operating across multiple industries. Its core business is insurance, led primarily by GEICO, Berkshire Hathaway Reinsurance Group, and Berkshire Hathaway Primary Group. The company has used excess cash generated from operations to acquire Burlington Northern Santa Fe, Berkshire Hathaway Energy, and a range of businesses within its manufacturing, service, and retail segments, including Precision Castparts, Lubrizol, Clayton Homes, Marmon, and IMC/ISCAR. Berkshire Hathaway stands out for its highly decentralized management structure. In 2025, the conglomerate generated approximately $371.4 billion in operating revenue.