2 Millionaire-Maker Quantum Computing Stocks That Wall Street Loves

IonQ and Infleqtion are positioned as leading quantum computing companies with significant growth potential. IonQ offers a full-stack platform integrated with major cloud providers and achieved a major breakthrough in quantum error detection. Infleqtion specializes in neutral-atom qubits and has partnerships with governments and Nvidia. Both companies show strong revenue growth despite current losses, with Wall Street analysts projecting substantial upside.

10/02/2026, 10:07 AM • The Motley Fool

Better Quantum Computing Stock: IonQ vs. D-Wave

The article compares two quantum computing stocks, IonQ and D-Wave Quantum. IonQ demonstrates industry-leading precision with 99.99% 2-qubit gate fidelities and has a partnership with Nvidia, but faces massive operating losses and an extremely high P/S ratio of 65. D-Wave has achieved real-world applications through its quantum annealing technology and Leap cloud service, but revenue declined 67% year-over-year with a P/S ratio of 475. The author recommends IonQ as the relatively safer choice despite both stocks carrying significant risks and being overvalued.

10/01/2026, 5:15 PM • The Motley Fool

Classiq Introduces Fault Tolerance Engine to Bridge Quantum Applications and Fault-Tolerant Hardware

Classiq launched its Fault Tolerance Engine, a new capability that translates optimized logical quantum programs into fault-tolerant execution plans and measures physical resources and reliability needed for execution on fault-tolerant quantum computers. The engine addresses the fundamental software challenge of fault-tolerant quantum computing by handling qubit layout, routing, scheduling, and error correction cycles, enabling developers to assess physical feasibility before implementation.

09/30/2026, 7:00 AM • GlobeNewswire

IonQ Stock Looks Expensive. Can Scale Justify the Valuation?

IonQ has demonstrated customer demand for quantum technology, but the key question is whether the company can convert this demand into repeat business, improve manufacturing efficiency, and achieve better cash economics. The company's valuation appears expensive, and upcoming quarters will be critical in showing whether scale is making each dollar of growth more valuable. A partnership with SkyWater may help, but investors need to see concrete evidence of improving unit economics.

09/29/2026, 2:39 PM • The Motley Fool

5 Millionaire-Maker Quantum Computing Stocks to Buy Now

The article recommends a basket approach to quantum computing investments, highlighting five stocks: IonQ (trapped-ion method with 99.99% accuracy), Quantinuum (99.92% fidelity with strong software stack), D-Wave Quantum (quantum annealing leader expanding to gate-based systems), Infleqtion (neutral-atom approach targeting 99.9% fidelity), and IBM (mature company investing $10B+ in quantum technology with plans for fault-tolerant quantum computer by 2029).

09/28/2026, 7:30 AM • The Motley Fool

IonQ Just Announced a Major Breakthrough. Should Investors Buy the Stock Now?

IonQ announced a breakthrough in quantum error correction with its first end-to-end, real-time quantum error-correction decoder running on a standard CPU. The stock rose 11% following the announcement and a partnership with Nvidia's Accelerated Quantum Research Center. However, the company remains unprofitable with a rich valuation, and the decoder was only validated on simulated data. The stock has fallen 40% over the past year, making it a high-risk, speculative investment suitable only for long-term investors.

09/27/2026, 6:15 AM • The Motley Fool

Great News for IonQ Stock Investors!

IonQ announced a major breakthrough in quantum computing that positions the company favorably for capital raising. The announcement has generated significant investor interest, with multiple related articles discussing IonQ's potential and comparing it to competitors in the quantum computing space.

09/25/2026, 8:28 PM • The Motley Fool

IonQ Has Made Another Quantum Computing Breakthrough: Here's What a $1,000 Investment in It Could Look Like in 5 Years

IonQ announced a quantum computing breakthrough in error detection that could lower costs and complexity of quantum error correction. However, the technology was only tested on simulated workloads, not real-world applications. While the company shows strong revenue growth (287% YoY to $80.1M), it remains unprofitable with a $120.3M adjusted EBITDA loss. At a 37x forward sales multiple, the stock is highly speculative, with potential 5-year returns ranging from $295 to $4,738 per $1,000 invested depending on commercialization success.

09/25/2026, 11:08 AM • The Motley Fool

Why IonQ Stock Is Up Today

IonQ shares surged 4.42% after announcing a quantum computing breakthrough in real-time error correction that enables fault-tolerant quantum computing on a single CPU processor. The company also announced a partnership with Nvidia to install its Superion 256 system at Nvidia's Accelerated Quantum Research Center, integrating quantum computing with AI infrastructure for applications in financial risk management, materials science, and drug discovery.

09/23/2026, 8:15 PM • The Motley Fool

Should You Forget Palantir and Buy These 3 Quantum Computing Stocks Instead?

The article suggests investors consider quantum computing stocks as alternatives to Palantir, which trades at a steep premium (82x forward earnings). Three quantum computing stocks are highlighted: Alphabet, with its advanced Google Quantum AI unit and cheaper valuation (23x forward earnings); IonQ, a pure-play quantum computing company with 287% YoY revenue growth but unprofitable; and D-Wave Quantum, the only dual-platform quantum computing company with analyst enthusiasm despite slower revenue growth.

09/23/2026, 3:02 AM • The Motley Fool

IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing Inc. Are Sending Shockwaves Through Wall Street With This $895 Million Warning

Despite quantum computing stocks soaring up to 1,820% over two years, insiders at IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing Inc. have collectively sold $895.1 million more shares than they've purchased while barely buying any stock. The companies trade at extreme valuations (P/S ratios of 55.7 to 494.1), suggesting a potential bubble similar to past technology cycles.

09/22/2026, 5:06 AM • The Motley Fool

IonQ CEO Sells Over 16,000 Shares Worth Nearly $600,000 After the Company Raised Its Full-Year Sales Outlook

IonQ CEO Niccolo de Masi sold 16,121 shares worth approximately $598,000 on September 11, 2026. The sale was a non-discretionary tax withholding transaction related to vesting equity awards and does not reflect concerns about the company. Despite raising its 2026 full-year revenue outlook to $450-460 million (from $130 million in 2025), IonQ stock has declined significantly from its 52-week high of $84.64, primarily due to a $1.9 billion net loss reported in Q2.

09/16/2026, 12:37 PM • The Motley Fool

IonQ vs. Rigetti Computing: Which Pure-Play Quantum Stock Actually Has the Technology Edge?

IonQ and Rigetti Computing are pursuing different quantum computing technologies with distinct trade-offs. IonQ uses trapped-ion technology with superior accuracy (99.3-99.5% fidelity) and all-to-all qubit connectivity, while Rigetti uses superconducting qubits with faster operations (60 nanoseconds vs. 950 microseconds) but lower accuracy (99.1% fidelity). IonQ currently holds the technology edge with demonstrated error-correction progress and DARPA Stage B advancement, but its lead is not secure as both companies face challenges scaling their systems while maintaining performance.

09/16/2026, 6:21 AM • The Motley Fool

Cerebras Systems vs. IonQ: Which Tech Stock Is a Better Buy in 2026?

The article compares two high-performance computing companies: Cerebras Systems, which specializes in AI hardware with wafer-scale chips, and IonQ, which develops quantum computing systems. While Cerebras shows strong 75.7% revenue growth, IonQ demonstrates superior momentum with 202% revenue growth in 2025 and 287% YoY growth in Q2 2026. The author recommends IonQ as the better buy due to its faster scaling, cleaner balance sheet (0.0x debt-to-equity), and positioning in the emerging quantum computing market, despite both companies operating at significant losses.

09/12/2026, 9:11 AM • The Motley Fool

What It Would Take for IonQ Stock to Reach $100

IonQ is expanding beyond quantum computing into a broader technology platform and raised its 2026 revenue outlook by 60%, with most growth coming from non-quantum segments. However, reaching a $100 share price will require the company to demonstrate recurring demand, improve economics, and successfully scale its full-stack strategy into commercial viability.

09/10/2026, 8:20 AM • The Motley Fool