Warren Buffett does not own shares in the Magnificent Seven except for Apple (NASDAQ: AAPL). Over the last several quarters, he has looked like a genius as he has cut his ownership of Apple’s shares. For example, Tesla’s (NASDAQ: TSLA) stock is down 29% this year, Amazon’s (NASDAQ: AMZN) stock is down 13%, and Nvidia’s (NASDAQ: NVDA) stock is down 17%. Buffett’s flagship Berkshire Hathaway (NYSE: BRK-B) shares are up 17% over the same period and trades near the the top of its 52-week price range. Berkshire has also kept well over $300 billion on its balance sheet, but no one knows why.
Buffett owns 15% of Berkshire Hathaway and has additional shares, giving him 38% of the voting stock. The company’s market cap is $1.15 trillion, which puts it eighth on the list of the most valuable companies in the world.
According to the Bloomberg Billionaire List, Buffett ranks fourth at $168 billion, up $24 billion this year. The four other people at the top of the list are tech billionaire founders; each lost ground in 2025.
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One reason for Berkshire’s success is the diversification of its equity holdings, which include stakes in Coca-Cola (NYSE: KO), American Express (NYSE: AXP), Occidental Petroleum (NYSE: OXY), Visa (NYSE: V), Chubb (NYSE: CB), Chevron (NYSE: CVX), and other public companies.
Berkshire also has substantial investments in private companies, including insurance company giant GEICO and BNSF Railway, the largest freight railroad in the United States.
Investors can also examine Buffett’s long-term track record. A $10,000 investment in Berkshire 30 years ago would be worth $682,000 today.
Additionally, Buffett favors insurance companies. He owns Berkshire Hathaway Reinsurance Group, National Indemnity Company, and Berkshire Hathaway Specialty Insurance, which focuses on business and commercial insurance. Describing these investments, he said, “It’s so much fun because you get the money at the start, you know, and then find out whether you’ve done something stupid later on.”
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