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Exor N.V. is a global investment company controlled by Italy's Agnelli family. It primarily operates in the sectors of automotive, agriculture, construction equipment, commercial vehicles, reinsurance, and media. Founded in 2008, Exor invests in a range of sectors, focusing largely on companies based in Europe and the United States, and actively manages companies in which it holds significant interests, aiming to boost their value over time.

Berkshire Hathaway is a holding company with a wide array of subsidiaries engaged in diverse activities. The firm's core business segment is insurance, run primarily through Geico, Berkshire Hathaway Reinsurance Group, and Berkshire Hathaway Primary Group. Berkshire has used the excess cash thrown off from its operations to acquire Burlington Northern Santa Fe (railroad), Berkshire Hathaway Energy (utilities and energy distributors), and the companies that make up its manufacturing, service, and retailing operations (which include Precision Castparts, Lubrizol, Clayton Homes, Marmon, and IMC/ISCAR). The conglomerate is unique in that it is run on a completely decentralized basis.