IonQ vs. D-Wave Quantum: Which Quantum Computing Stock Is a Better Buy in 2026?

IonQ and D-Wave Quantum are competing quantum computing companies with different technological approaches. IonQ uses trapped-ion technology and generated $130M in FY2025 revenue with 201.9% YoY growth, while D-Wave specializes in quantum annealing with $24.6M revenue and 178.5% growth. Both are unprofitable with significant operating losses, but IonQ is recommended as the better buy due to stronger revenue growth, the SkyWater Technology acquisition providing end-to-end chip capabilities, and a more comprehensive quantum solution portfolio.

08/02/2026, 9:34 AM • The Motley Fool

IonQ vs. Alphabet: What Revenue Trends Reveal About the Quantum Computing Chipmaker and the Artificial Intelligence Giant

IonQ's revenue has grown 755% year-over-year to $64.7 million in Q1 2026, demonstrating strong momentum in quantum computing. However, Alphabet generates 1,700 times more quarterly revenue ($119.8 billion in Q2 2026) and maintains consistent growth through its dominant search advertising and AI-enhanced services. While IonQ shows impressive acceleration, it remains unprofitable with a $271.5 million operating loss, contrasting sharply with Alphabet's $40.8 billion operating income.

08/02/2026, 8:05 AM • The Motley Fool

Where Will Quantinuum Stock Be in 1 Year?

Quantinuum, a quantum computing company, is trading at a steep valuation of 512x its 2026 revenue estimate despite generating only $30.9 million in 2025 revenue. Analysts project the stock could fall 67% to around $17 per share within one year under base case assumptions, with potential downside to $7 in bear case scenarios. The company's success depends on translating technical progress in logical qubits into commercial revenue growth.

07/27/2026, 6:03 AM • The Motley Fool

This Quantum Stock Is a Key Nvidia Partner and Looks Like a Buy Near a 52-Week Low

Infleqtion, a quantum computing company partnered with Nvidia, is trading near its 52-week low and could be positioned for significant growth as quantum computing commercializes. The company has hundreds of customers and expects $40 million in full-year 2026 revenue, but currently trades at a 50 price-to-sales ratio with significant operating losses. The article recommends taking a small position as a high-risk, high-reward opportunity.

07/26/2026, 11:30 PM • The Motley Fool

Quantum Computing Stocks Are Falling. Should You Buy IonQ or D-Wave, or Just Stick With Nvidia?

Quantum computing stocks IonQ and D-Wave have experienced significant declines recently, with IonQ down 37% and D-Wave down 28% over the past month. While both companies rely heavily on federal government contracts and funding, IonQ shows stronger revenue growth ($64.7M in Q1 2026, up 755% YoY) and cash reserves ($3.1B), whereas D-Wave faces challenges with declining revenue ($2.9M in Q1 2026, down 81% YoY). Nvidia, which provides foundational GPU infrastructure for quantum computing through its NVQLink platform, is positioned as the lower-risk play that benefits regardless of which quantum company succeeds.

07/23/2026, 12:30 PM • The Motley Fool

Is IonQ Stock a No-Brainer Buy? Here's What History Says.

IonQ's trapped-ion quantum computing technology offers competitive advantages, but the company faces significant challenges as a cash-burning startup competing against tech giants and other quantum computing firms. With $272 million in operating losses, dependence on outside capital, and 15% share dilution in the past year, history suggests IonQ should be treated as a speculative investment rather than a no-brainer buy.

07/23/2026, 5:26 AM • The Motley Fool

IonQ vs. Quantinuum vs. Infleqtion vs. Rigetti vs. D-Wave: Which Is the Best Quantum Computing Stock to Bet On?

The article compares five quantum computing companies using different technological approaches. IonQ and Quantinuum lead in accuracy with trapped-ion technology (99.99% and 99.92% fidelity respectively). Rigetti uses faster superconducting qubits but lags in accuracy. Infleqtion pursues neutral-atom technology with moderate speed and accuracy. D-Wave focuses on quantum annealing for optimization problems and is developing superconducting qubits. The author recommends IonQ as the best single investment due to its accuracy lead and vertically integrated ecosystem approach.

07/22/2026, 1:15 PM • The Motley Fool

Quantum Computing Stocks IonQ, Rigetti, and D-Wave Are Sending Shockwaves Through Wall Street With This $988 Million Warning

Despite massive gains in quantum computing stocks IonQ, Rigetti, and D-Wave since mid-2024, insiders at these companies have collectively sold over $988 million in stock over the past five years with minimal insider buying. The article warns that extreme valuations (P/S ratios of 60-459) and lack of insider confidence suggest caution, as broad-based adoption remains years away and historical tech bubbles typically precede major corrections.

07/22/2026, 5:06 AM • The Motley Fool

Got $1,000? 2 High-Growth Artificial Intelligence (AI) Moonshots With Massive Upside Potential.

The article highlights two AI moonshot stocks with significant upside potential: Nebius, a neocloud company providing AI computing infrastructure with 684% YoY revenue growth and partnerships with Microsoft and Meta, and IonQ, a quantum computing leader with industry-leading 99.99% two-qubit gate fidelity. Both companies offer massive growth opportunities but carry execution risks—Nebius must achieve profitability while scaling, and IonQ faces intense competition in the quantum computing space.

07/17/2026, 6:12 AM • The Motley Fool

Could IonQ Become America's Best Quantum Platform?

IonQ is positioned at the center of a high-stakes quantum computing race involving national security and next-generation computing. The company's bull case rests on building a platform rather than just selling hardware, but its real test will be whether this story can translate into adoption, revenue, and long-term shareholder value.

07/16/2026, 11:15 AM • The Motley Fool

3 Hypergrowth Tech Stocks to Buy With $3,000 Right Now

The article highlights three hypergrowth technology stocks: Broadcom, which is expanding its custom AI chip business with projected $100 billion in AI semiconductor revenue by 2027; Micron, benefiting from a memory chip shortage expected to persist beyond 2027; and IonQ, a quantum computing leader experiencing 755% year-over-year revenue growth despite the technology still being in early stages.

07/10/2026, 5:10 AM • The Motley Fool

This Quantum Computing Stock Is Poised for a Sharp Selloff in the Second Half of 2026

Rigetti Computing faces significant downside risk despite quantum computing hype. The company's $5.6B market cap is disconnected from its $7M shrinking revenue, resulting in an extremely stretched valuation. Ongoing share dilution through its ATM program and government funding equity stakes, combined with falling sales, could trigger a sharp pullback if investor enthusiasm cools.

07/09/2026, 9:05 PM • The Motley Fool

1 Incredible Quantum Computing Stock That Could Make Investors a Fortune

IonQ is positioned as a leading quantum computing company with a world record in 2-qubit gate fidelity (99.99%), using trapped-ion technology for superior accuracy. The quantum computing market is projected to reach $72 billion by 2030-2035. IonQ reported 755% revenue growth in its latest quarter with expected 100%+ organic growth for 2026, though the stock remains risky as quantum computing adoption remains uncertain.

07/09/2026, 7:05 AM • The Motley Fool

3 Quantum Computing Stocks to Watch in the Second Half of 2026

Quantum computing stocks are emerging as compelling opportunities within the AI ecosystem, with McKinsey projecting $1.3-2.7 trillion in economic value by 2035. The article highlights three key players: Nvidia, which provides classical computing infrastructure for quantum systems; IonQ, a pure-play quantum computing company with aggressive expansion; and Quantinuum, a newly public company backed by major institutional investors like JPMorgan Chase and Nvidia.

07/07/2026, 8:15 AM • The Motley Fool

Down 40% From its All-Time High, Is Now the Perfect Opportunity to Load Up on This Quantum Computing Leader?

IonQ, a pure-play quantum computing company, has fallen 40% from its all-time high as investors reassess the risky stock. While IonQ leads in quantum computing accuracy with 99.99% 2-qubit gate fidelity and achieved 755% year-over-year revenue growth in Q1, the company remains unprofitable with significant losses. The article suggests IonQ could be a worthy investment for risk-tolerant investors, but quantum computing remains years away from commercial viability, and investors should size positions carefully given the high failure risk.

07/01/2026, 3:23 PM • The Motley Fool