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

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,

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.

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.

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.

Rigetti generates revenue as it offers access to its quantum hardware to customers, but, like peers, the company hasn't yet reached the quantum finish line. The goal is to develop a generally useful quantum computer, and experts predict that's a few years away.

Quantum computing risks are already influencing Bitcoin portfolios as institutions reassess security, cryptography vulnerabilities, and the network’s ability to upgrade.

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

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.

Quantum computing is forcing crypto to confront an existential security test. Three networks are already demonstrating preparedness.