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Blue Owl is one of the world's largest alternative-asset managers, $319.0 billion in total managed assets, including $190.6 billion in fee-earning AUM, at the end of March 2026. The company has three core business segments: credit strategies ($158.1 billion in total AUM and $97.2 billion in fee-earning AUM), private equity ($71.5 billion/$41.4 billion), and real estate/real assets ($89.4 billion/$52.0 billion). The firm primarily serves institutional investors (68% of AUM) and high-net-worth individuals (32%). Blue Owl operates through more than 20 offices in the Americas, and the EMEA and Asia-Pacific regions.

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.