10 Best Quantum Computing Stocks to Buy for 2026

3. IonQ, Inc. (NYSE:IONQ)

Number of Hedge Fund Holders: 30

Average Upside Potential: ~44%

IonQ, Inc. (NYSE:IONQ) is one of the Best Quantum Computing Stocks to Buy for 2026. On January 14, the company announced that national security leader and technology advocate Katie Arrington will join the executive team as Chief Information Officer (CIO). She will report to the company’s Chief Operating Officer and Chief Financial Officer, Inder Singh, starting January 19, 2026.

IonQ, Inc. (NYSE:IONQ)’s Chairman and CEO added that her passion for defending the nation and advancing the kind of breakthrough innovation that quantum computing enables will help accelerate the company’s growth and impact.

In a separate release, IonQ, Inc. (NYSE:IONQ) announced the continuation of a strategic partnership with the Korea Institute of Science and Technology Information (KISTI) and forthcoming delivery of the 100-qubit IonQ Tempo quantum system.

As per the agreement, the company will deliver its next-generation Tempo 100 quantum system to help KISTI’s hybrid quantum-classical research initiatives. Notably, the system will be integrated into KISTI-6 (HANGANG), which happens to be the largest HPC cluster in Korea. This will create the first instance of hybrid quantum-classical onsite integration in the country.

IonQ, Inc. (NYSE:IONQ) develops quantum computers and networks.