Is IonQ a Buy in 2026? How the Stock Stacks Up Against RGTI, QBTS

Key Takeaways IonQ leads peers with industry-leading two-qubit gate fidelity and a clearer technical roadmap in 2026.IONQ posted $39.9M in Q3 2025 revenues, up 222% year over year, exceeding the top end of the guidance.IonQ holds $3.5B in cash and no debt. It targets a 256-qubit system in 2026, but remains loss-making.At the start of 2026, IonQ (IONQ) stands ahead of peers D-Wave Quantum (QBTS) and Rigetti Computing (RGTI) , banking on solid technical progress and commercial traction as well as a clearer ro ...