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D-Wave vs Rigetti: Which Quantum Stock Is the Better Buy?

Oct 7, 2026
Bobby Quant Team

💡 Key Takeaway

Rigetti's deeper government ties and technological edge make it the better long-term quantum bet, but both stocks are highly speculative and unsuitable for risk-averse investors.

The Quantum Computing Showdown: D-Wave vs. Rigetti

Quantum computing is transitioning from lab experiments to real-world commercial applications, and two pure-play stocks are vying for investor attention: D-Wave Quantum (QBTS) and Rigetti Computing (RGTI). Both companies are developing cutting-edge quantum systems, but their approaches and financials differ significantly.

D-Wave focuses on quantum annealing systems for optimization problems, serving over 100 organizations including Mastercard and Pfizer. In its latest fiscal year, D-Wave reported revenue of $24.6 million, up 180% year-over-year, but posted a net loss of $355 million. The company maintains a strong balance sheet with a current ratio of 42.4x and low debt, though free cash flow was negative $75.8 million.

Rigetti builds full-stack quantum computers and offers them via its Quantum Cloud Services platform. Its customers include Amazon Web Services, the Department of Energy, and DARPA. However, Rigetti's revenue declined 34% to $7.1 million in its latest fiscal year, with a net loss of $216.2 million. The company has virtually no debt and a current ratio of 37.4x, but free cash flow was negative $77.2 million.

Both companies are unprofitable and face significant risks. D-Wave is growing faster but has yet to disclose dollar amounts for recent commercial deals. Rigetti recently secured a potential $100 million government award over three years, which could accelerate its technology roadmap. The quantum computing market is still in its infancy, and competition from tech giants like Microsoft and Amazon looms large.

Why This Quantum Battle Matters for Your Portfolio

Quantum computing could revolutionize industries from drug discovery to logistics, representing a multi-trillion-dollar opportunity. For investors, picking the right horse early could yield massive returns, but the risks are equally enormous. Both D-Wave and Rigetti are pre-revenue-scale companies burning cash, and their stocks are highly volatile.

D-Wave's faster revenue growth and commercial traction with blue-chip clients like AT&T and UnitedHealth suggest it may be closer to generating meaningful sales. However, the lack of disclosed deal values raises questions about the actual revenue impact. Rigetti's revenue decline is concerning, but its government partnerships and technological focus on superconducting qubits could give it a long-term edge if quantum advantage is achieved.

The quantum race is not just about these two companies. Tech giants like Microsoft and Amazon are investing heavily in quantum research, and any breakthrough by them could disrupt the entire sector. Additionally, the path to profitability is uncertain, and both companies will likely need to raise capital again, potentially diluting shareholders.

For investors, the decision boils down to risk tolerance and time horizon. D-Wave offers more near-term commercial momentum, while Rigetti provides deeper government backing and a potential technological moat. Neither is a safe bet, but both offer exposure to a transformative technology.

Source: The Motley Fool
Analysis generated by Bobby AI quantitative model, reviewed and edited by our research team. This is not financial advice. Always do your own research before making investment decisions.

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Bobby Insight

bobby-insight

Quantum computing is a high-risk, high-reward space; if you must pick one, Rigetti's government backing gives it a slight edge, but only for speculative investors.

Both companies are years away from profitability and face significant technological and competitive risks. Rigetti's potential $100M government contract and focus on superconducting qubits could pay off long-term, but its revenue decline and insider selling are concerning. D-Wave's commercial traction is promising, but the lack of deal details makes it hard to gauge real demand. I'd wait for more clarity before investing.

What This Means for Me

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If you hold QBTS or RGTI, expect continued volatility as both stocks trade on news and sentiment rather than fundamentals. Investors with exposure to the quantum sector should size positions carefully and consider them as lottery tickets, not core holdings. A diversified tech portfolio with exposure to established players like Microsoft or Amazon may offer indirect quantum upside with less risk.

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What This Means for Me

If you hold QBTS or RGTI, expect continued volatility as both stocks trade on news and sentiment rather than fundamentals. Investors with exposure to the quantum sector should size positions carefully and consider them as lottery tickets, not core holdings. A diversified tech portfolio with exposure to established players like Microsoft or Amazon may offer indirect quantum upside with less risk.

QBTS Exits Q3 With Big Catalysts — But Is the Quantum Hype Priced In?

Bearish D-Wave's operational momentum is real, but an 81x forward price-to-sales multiple means investors are paying today for revenue that may not arrive until 2027 and beyond.

QBTSIONQRGTIRGTIW
Oct 6, 2026

D-Wave Quantum Soars on $100M CHIPS Act Grant

Neutral D-Wave's $100 million government grant is a positive catalyst, but equal awards to rivals and a larger one to GlobalFoundries mean it's not a unique advantage.

QBTSQNTRGTIRGTIW
Sep 8, 2026

Rigetti Computing Soars on $100M Government Funding

Neutral Rigetti's $100M CHIPS Act award validates quantum computing's strategic importance, but the stock remains highly speculative without meaningful revenue.

RGTIRGTIWQBTSINTC
Sep 8, 2026
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Stock to Watch

StocksImpactAnalysis
QBTS
Positive
D-Wave is growing revenue rapidly and expanding commercial adoption with major clients, but its large losses and undisclosed deal values pose risks.
RGTI
Positive
Rigetti's government partnerships and potential $100M award could accelerate its technology, but revenue decline and insider selling are red flags.
MSFT
Neutral
Microsoft is a competitive threat in quantum computing but is a diversified tech giant, so quantum news has minimal impact on its stock.
AMZN
Neutral
Amazon is both a customer of Rigetti and a competitor in quantum cloud services, but its core businesses dwarf any quantum exposure.