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38.6% of Berkshire Hathaway's $328 Billion Portfolio Is Parked in 3 Artificial Intelligence (AI) Stocks
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38.6% of Berkshire Hathaway's $328 Billion Portfolio Is Parked in 3 Artificial Intelligence (AI) Stocks

Yahoo Finance · Jul 1, 2026, 5:05 PM · Also reported by 2 other sources

Key takeaways

  • BRK-B Warren Buffett is one of the world's most iconic investors.
  • Berkshire stock returned 19.7% annually during Buffett's 60-year tenure, meaning that an investment of $1,000 in 1965 would have grown to $48 million by the end of 2025.
  • In 2009, a "Double Down" signal flashed for a little-known chipmaker called Nvidia.

BRK-B Warren Buffett is one of the world's most iconic investors. He acquired a controlling stake in a struggling textiles manufacturer called Berkshire Hathaway (NYSE: BRKA)(NYSE: BRKB) in 1965, and turned it into a holding company for his various investments. By the time he stepped away from the CEO role at the end of 2025, it was a $1 trillion conglomerate with numerous subsidiaries and a $328 billion stock portfolio.

Berkshire stock returned 19.7% annually during Buffett's 60-year tenure, meaning that an investment of $1,000 in 1965 would have grown to $48 million by the end of 2025. The conglomerate's new CEO, Greg Abel, worked with Buffett for over two decades before taking the reins, so he's likely to adopt a similar focus on companies with steady growth, reliable earnings, and strong management teams.

Missed Nvidia in 2009? This Rare Signal Is Flashing Again. In 2009, a "Double Down" signal flashed for a little-known chipmaker called Nvidia. For the first time in years, that same "Total Conviction" signal is flashing for a company 1/100th the size of Nvidia. Continue »

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