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What Is Berkshire Hathaway and What Does It Do in 2019?

Anne Sraders

It may come as a surprise just how many subsidiaries Berkshire Hathaway - a multinational conglomerate and holding company led by Warren Buffett - actually owns. ), Berkshire Hathaway has certainly cemented itself into the international market as one of the biggest public companies out there. In addition to its pricey shares, Berkshire Hathaway is one of the top performing companies in the market, and either fully owns or owns controlling interests in dozens of major companies - including the likes of Geico, Fruit of the Loom and Dairy Queen.