Berkshire Hathaway's operating profit surged 34% to $13.485 billion in Q3 2025, driven by a significant increase in insurance underwriting income. Despite a substantial cash reserve of $381.6 billion, the company did not buy back any shares and sold equities for a taxable gain of $10.4 billion. Warren Buffett is set to step down as CEO at the end of the year, with Greg Abel taking over.