Quantum computing may not be in Buffett's wheelhouse. But he owns a stake in a quantum computing stock anyway.

Warren Buffett has spoken publicly about his disdain for cryptocurrencies. He's talked about his concerns about artificial intelligence (AI). But what has the "Oracle of Omaha" said about quantum computing ? As far as I know, nothing.

But the legendary investor does have a favorite quantum computing stock. And it's not IonQ ( IONQ 0.63% ) , D-Wave Quantum ( QBTS -2.82% ) , or Rigetti Computing ( RGTI -0.99% ) .

Buffett's quantum leap

If you look through Buffett's Berkshire Hathaway ( BRK.A 0.13% ) ( BRK.B 0.15% ) portfolio, you won't find many quantum computing stocks. Actually, you'll see only one: Amazon ( AMZN 2.51% ) .

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