Stocks & Crypto › D-Wave Quantum
Pure-play quantum stock
D-Wave is the best-known maker of quantum annealers and is now building gate-model machines too. Neither is close to breaking RSA.
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D-Wave is best known for quantum annealers: machines designed to find good solutions to optimisation problems such as scheduling and routing. Its current annealer, Advantage2, has about 4,500 qubits (D-Wave).
After buying Quantum Circuits in January 2026, D-Wave also builds gate-model quantum computers, the general-purpose kind, based on superconducting dual-rail qubits (D-Wave).
Breaking RSA at scale takes Shor's algorithm on a general-purpose, error-corrected quantum computer. Annealing is an optimisation method and does not run Shor's algorithm. When researchers at Shanghai University used a D-Wave annealer for factoring in 2024, the number they factored was 22 bits long; RSA keys in use today are 2048 bits. Whether that approach can scale at all is an open question (Keysight).
D-Wave's own gate-model roadmap aims for a 181-qubit system in 2028 and 100 logical qubits in 2032, for chemistry and AI applications (D-Wave). The best current estimate for breaking RSA-2048 needs just under a million noisy qubits (Gidney). Nothing on D-Wave's published roadmap comes close to that scale.
This page explains what the company or project does and how it relates to Q-Day. It is not investment advice. Last checked 9 October 2026. Every fact on this page links to its source.
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