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.

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.

D-Wave Quantum (QBTS) stock jumps after a $20M Florida Atlantic University deal for an Advantage2 quantum computer and new HQ—get the latest update now.

The quantum computing underdog faces tough near-term challenges.

Nvidia isn’t building quantum computers, instead it’s using its supercomputing strengths to accelerate quantum computing research and commercialization.

Ronit Ghose, Global Head of Future of Finance at Citi, discusses why post-quantum cryptography is key to fighting quantum threats.

Jefferies strategist Christopher Wood has dropped Bitcoin from his Greed & Fear portfolio, citing quantum computing as a potential existential threat to its cryptography.

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.