Here's Warren Buffett's Favorite Quantum Computing Stock (Hint: It's Not IonQ, D-Wave Quantum, or Rigetti Computing)

Core Insights - Warren Buffett has not publicly commented on quantum computing but has a notable investment in Amazon, which is involved in quantum computing [1][3] - Amazon Web Services (AWS) offers Amazon Braket, a service dedicated to quantum computing, allowing access to various quantum systems [4] - Amazon is heavily investing in its own quantum technology, including the development of a prototype quantum chip called Ocelot, which significantly reduces quantum error correction costs [5] Company and Industry Summary - Buffett's Berkshire Hathaway portfolio includes only one quantum computing stock, which is Amazon [3][6] - Amazon's involvement in quantum computing is not the primary reason for Buffett's investment; the decision to invest in Amazon was made by one of Berkshire's investment managers [5][6] - The development of the Ocelot chip by AWS is expected to accelerate the timeline for practical quantum computing by up to five years [5]