IonQ, Inc. (NYSE:IONQ) is one of the Best Quantum Computing Stocks to Buy and Hold for 5 Years. On September 25, the company announced it achieved a record algorithmic qubit score of #AQ 64. This was achieved on an IonQ Tempo system, 3 months ahead of schedule. As a result, IonQ, Inc. (NYSE:IONQ) is the only company to reach #AQ 64, setting a new standard for quantum systems. To give a brief background, #AQ benchmarks measure the ability of a quantum system to run quantum algorithms of increasing complexit ...