2 Stocks That Make Up Berkshire Hathaway's Secret Sauce, According to the Annual Shareholder Letter

Warren Buffett's Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B) deploys that approach, and Apple makes up more than 44% of the company's overall portfolio. Berkshire's strategy over the years has been simply to buy and hold. Berkshire released its annual report last month, which featured Buffett's letter to shareholders.