Warren Buffett, widely regarded as one of the most successful investors of all time, is the chairman and CEO of Berkshire Hathaway, a multinational conglomerate holding company. Berkshire Hathaway has consistently outperformed the market under Buffett's leadership, and its portfolio of investments reflects his long-term investment philosophy. In this article, we will delve into Berkshire Hathaway's top 10 holdings and provide an overview of each company's significance.