Quantum computing has been on the horizon for what feels like decades. But with the explosion of artificial intelligence (AI) over the past year or so, the quantum computing future could be upon us. In 2025, there are several stocks that could benefit. Some are big tech businesses; others are specialty start-ups focused on a particular niche.

Trapped-ion quantum computing leader IonQ (NYSE: IONQ) is emerging as a potential leader in the commercialization of quantum computing through its trapped-ion technology approach. Unlike traditional superconducting quantum competitors,