Berkshire Hathaway In a world where growth stocks have dominated, perhaps no company has more consistently outperformed the broader market for decades than Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B). Since taking the reins in 1965, Buffett has led his company's Class A shares (BRK.A) to an average annual gain of better than 20%. No matter how well or poorly the U.S. economy performs, or how high the year-over-year inflation figure rises, people don't get to choose when they get sick or what ailment(s) they develop.