D-Wave or IonQ: Which Quantum Stock Has More Upside in 2025?

D-Wave Quantum (QBTS) is positioned for near-term outperformance over IonQ (IONQ) in 2025, according to a recent analysis. QBTS launched its production-ready Advantage2 system with over 4,400 qubits and reported significant Q1 2025 financial improvements, including gross margins exceeding 93% and a 15% reduction in adjusted EBITDA loss, contributing to a 141.6% YTD stock surge. In contrast, IonQ, focusing on long-term gate-based systems, reported solid Q1 revenue growth and narrowed losses, but its stock gained only 3.6% YTD despite a $1 billion equity raise. The analysis suggests QBTS's strong near-term traction and margin gains give it an edge for 2025 returns, while IonQ's compelling long-term vision faces a longer commercialization runway.

Analysis

D-Wave Quantum (QBTS) and IonQ (IONQ) are pursuing divergent strategies within the quantum computing sector, with QBTS demonstrating significantly stronger near-term financial and market momentum. D-Wave's focus on quantum annealing for practical, near-term applications is yielding tangible results, headlined by the launch of its production-ready Advantage2 system with over 4,400 qubits. This technological progress is mirrored in its Q1 2025 financials, where non-GAAP gross margin expanded to 93.6% from 76.6% a year prior, and the adjusted EBITDA loss narrowed by 15% to $8.4 million. The market has rewarded this performance, with QBTS shares surging 141.6% year-to-date. In contrast, IonQ is executing a longer-term strategy centered on gate-based systems, supported by strategic acquisitions and a substantial pro-forma cash position of approximately $1.68 billion following a recent $1 billion equity offering. While IonQ also showed progress by narrowing its net loss and guiding for $37-41 million in full-year 2025 revenue, its larger operational losses and slower commercialization path have resulted in significant stock underperformance, with a mere 3.6% YTD gain. This disparity highlights a market preference for QBTS's immediate commercial traction and improving profitability metrics over IONQ's well-funded but longer-horizon vision.

Key Decisions for Investors

• Investors with a shorter-term focus may find D-Wave (QBTS) more attractive, given its demonstrated stock outperformance, rapidly improving gross margins to over 93%, and progress in reducing its EBITDA loss.
• For those with a long-term investment horizon and higher risk tolerance, IonQ (IONQ) presents a well-capitalized play on the future of fault-tolerant quantum computing, though its path to profitability appears longer and its stock currently lacks momentum.
• Despite QBTS's strong performance, investors should note its 141.6% year-to-date rally and consider the risk of valuation becoming extended, while IONQ's relative underperformance could be viewed as a potential entry point for believers in its long-term, vertically-integrated strategy.
• Monitor key execution metrics for both firms: for QBTS, sustained margin strength and progress toward profitability are crucial, while for IONQ, achieving its full-year revenue guidance of $37-41 million will be a critical proof point for its commercialization efforts.