10 Best Quantum Computing Stocks to Buy and Hold for 5 Years

6. IonQ, Inc. (NYSE:IONQ)

Number of Hedge Fund Holders: 30

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 complexity and size while maintaining high fidelity.

Since the company achieved #AQ 64, it demonstrates that IonQ, Inc. (NYSE:IONQ)’s quantum systems can address a set of increasingly complex real-world applications. These include energy grid distribution improvements, computational drug discovery, supply chain optimization, engineering simulation modeling, and enhanced fraud and anomaly detection. In Q2 2025, IonQ, Inc. (NYSE:IONQ) surpassed the top end of guidance for revenue by 15% and cemented its balance sheet through the largest equity investment from a single institution in the quantum industry. The company recognized revenue of $20.7 million for Q2 2025.