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Canadian Imperial Bank of Commerce is Canada's fifth-largest bank with around CAD 1.18 trillion in assets as of July 31, 2026. It operates four business segments: Canadian retail and business banking, Canadian commercial banking and wealth management, US commercial banking and wealth management, and capital markets. It serves approximately 14 million personal banking and business customers, primarily in Canada and the US.

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.