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abrdn plc, listed under the ticker ABDN, is a global investment company headquartered in the United Kingdom. Founded as Aberdeen Asset Management in 1983, the company operates in the financial services sector, specifically focusing on asset management. abrdn offers a wide range of investment and wealth management services to institutional, retail, and insurance clients across various countries.

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.