American multinational conglomerate holding company
Berkshire Hathaway, founded in 1839, is led by Warren Buffett and Charlie Munger. It primarily operates in insurance and has diverse subsidiaries in various sectors. Known for value investing, the company's book value has grown significantly under their leadership. Berkshire Hathaway is a major player in the S&P 500 index and owns significant stakes in companies like GEICO, Gen Re, and Kraft Heinz.