Can quantum computing save us from 500 missiles attacking simultaneously? Perhaps ... and it has a far better shot than classical computers, say these companies.

While timelines remain uncertain, early investors are positioning for a future where quantum computing plays a meaningful role alongside classical and AI-driven systems. Here are the top quantum computing stocks to consider for 2026—and what to know before investing in this emerging technology.

Quantum computing represents a potential breakthrough technology that could far surpass the technical limitations of modern-day computing systems for some tasks. However, putting together practical, large-scale quantum computers remains challenging,

Amazon is boosting its quantum computing bets with Peter DeSantis, its new leader for AI models, custom silicon (semiconductor chips) and quantum computing. DeSantis is a 27-year Amazon veteran who will oversee the three areas as "naturally reinforcing," according to a company note.

This "Magnificent Seven" company is establishing itself in the next frontier of technology.

Diamonds might be the next big thing in quantum computing. Quantum Brilliance now grows ultra-pure diamonds for better quantum sensing and portable quantum computing.

Florida Atlantic University (FAU) will become the first university in Florida to publicly host

Quantum Computing stock surged more than 1,700% in 2024, but it suffered a significant pullback last year.

Sylvia Jablonski, CEO, CIO & Co-Founder of Defiance ETFs, recently appeared on CNBC Television and highlighted that the investing public is now witnessing real-world use cases of quantum computing.