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T. Rowe Price provides asset management services for individual and institutional investors. It offers a broad range of no-load US and international stock, hybrid, bond, and money market funds. At the end of August 2026, the firm had $1.897 trillion in managed assets, composed of equity (48%), balanced (37%), fixed-income and money market (12%), and alternative (3%) offerings. Close to two-thirds of managed assets are held in retirement-based accounts, which provide T. Rowe Price with a stickier client base than most of its peers. The firm also manages private accounts, provides retirement planning advice, and offers discount brokerage and trust services. The company is primarily a US-based asset manager, deriving less than 10% of its AUM from overseas.

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.