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Oscar Health Inc is a healthcare technology company built around a full stack technology platform and a relentless focus on serving its members. It offers Individual & Family plans and health technology solutions that power the healthcare industry. Oscar operates as one segment to sell insurance to individuals, families and employees through the federal and state-run healthcare exchanges formed in conjunction with the Patient Protection and Affordable Care Act (ACA) and leverages its technology platform to provide services via its Oscar offering.

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.