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Warren Buffett’s Quantum Computing Investments
Warren Buffett’s Berkshire Hathaway portfolio includes only one quantum computing stock: Amazon (NASDAQ: AMZN). Amazon Web Services (AWS) offers a quantum computing service called Amazon Braket and has developed a prototype quantum chip designed to significantly reduce costs related to quantum error correction. Despite holding 10 million shares of Amazon, Buffett did not initiate the position; it was chosen by one of Berkshire’s investment managers in 2019.
Additionally, Buffett has an indirect investment in IonQ (NYSE: IONQ) through Amazon, which held a $36.7 million stake in IonQ as of June 30, 2025. While Amazon focuses on various sectors, including e-commerce and cloud services, its quantum computing efforts are likely not the primary reason for investors to consider it in the quantum space.
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