Quantum Computing Stocks Are Booming: Top 5 to Buy Now (October 2025)
1. IonQ (IONQ) – Trapped-Ion Trailblazer with Big Backing IonQ is widely regarded as the frontrunner among pure-play quantum computing companies. Founded in 2015, the Maryland-based firm uses trapped-ion technology for its quantum processors – a method praised for high qubit fidelity and easy networking. IonQ was the first quantum hardware startup to go public (via SPAC in 2021), and it has rapidly scaled up both its technology and its valuation in 2025. Stock Surge & Outlook: IonQ’s stock price has exploded this year, rising roughly 600–700% year-to-datets2.techts2.tech. Shares hit an all-time high around $75–$82 in mid-October after a parabolic