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Allianz SE, founded in 1890 and headquartered in Munich, Germany, operates as a diversified insurance and financial services provider. The company offers a wide range of products including property and casualty insurance, life and health insurance, and asset management services. Allianz SE is publicly listed under the ticker symbol ALV on the Frankfurt Stock Exchange and serves customers globally.

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.