Is D-Wave Quantum (QBTS) Stock a Buy Now?

It hasn’t been a good year so far for quantum computing stock D-Wave Quantum (NYSE: QBTS). Shares are down 18.8% since the beginning of the year.

But since the beginning of 2025, it’s quite a different story for D-Wave: The stock is up more than 150% since then.

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The recent drop could represent a buying opportunity…or it could be a taste of bigger losses to come. Is D-Wave stock a buy now?

The quantum systems D-Wave offers are a bit different from those offered by rival quantum start-ups Rigetti Computing (NASDAQ: RGTI) or IonQ (NYSE: IONQ). Those companies — along with most other quantum computer manufacturers — focus on classic gate-model quantum computing. In a gate-model quantum system, a quantum particle is moved through a series of “gates” that manipulate its quantum state to perform calculations or process information.

Image source: Getty Images.

D-Wave’s systems, on the other hand, perform quantum annealing. Rather than precisely manipulating a single particle, quantum annealing analyzes the output from the entire system as a whole. This allows it to excel at different kinds of problems than a gate-model system. For example, quantum annealing is very good at finding optimal configurations of data points, like the optimal route for a delivery driver or the likeliest molecular structure for a pharmaceutical company to pursue for development.

Quantum annealing can’t match the accuracy of gate-model quantum computing — and neither has yet reached the accuracy of classical computing — but for some problems, even finding a “near-optimal” solution via quantum annealing is going to be faster and less expensive than trying to get the optimal solution from a quantum or classic computer. Plus, there’s less competition in this niche, which is likely a plus for D-Wave.

However, D-Wave just announced it has completed the acquisition of Quantum Circuits, a developer of gate-model quantum systems, which it says makes it the “world’s first and only dual-platform quantum computing company” that can now “address the full range of customers’ complex computational problems.” This could either be a solid advantage for the company in the years ahead…or a big nothingburger. Only time will tell.

A person in a lab coat looks at a quantum computer.
Image source: Getty Images.

Speaking of time, the question is whether D-Wave stock is a buy now, not years from now.

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