That might explain why the Bill & Melinda Gates Foundation has Berkshire as its second biggest holding, behind only Microsoft. As of the latest reporting period, the foundation owns 24.6 million shares of Berkshire worth around $10 billion, making up 21% of its total portfolio.

Berkshire Hathaway’s $266 billion very concentrated 40 stock portfolio added two new stocks. Warren Buffett was a net seller of stocks for the eight quarters straight.

Warren Buffett’s Berkshire Hathaway sold over $36 billion in stocks during the third quarter of 2024. The company’s quarterly reports and required SEC filings provide insights into the primary stocks involved in this selling spree.