Who is the largest shareholder of Berkshire Hathaway?

As of Berkshire Hathaway’s latest SEC filing in February 2022, the largest shareholder of the company is Warren Buffett himself. According to the filing, Buffett owns approximately 38.6% of the outstanding shares of Berkshire Hathaway’s Class A and Class B common stock, making him the largest shareholder by far.

Berkshire Hathaway’s Vice Chairman, Charlie Munger, is the second-largest shareholder with approximately 0.9% of the outstanding shares. Other significant shareholders include institutional investors and mutual funds, but none come close to the size of Buffett’s holdings.