Quantum Stocks Face a 2028 Cash Test. Here's What Investors Should Know.

Quantum computing stocks including IonQ, IBM, D-Wave, Rigetti, and Quantum Computing Inc. are competing in the quantum computing race, but success may depend less on technology and more on cash runway and dilution risk. The critical test for these companies will be reaching 2028 with sufficient financial resources.

07/01/2026, 10:30 AM • The Motley Fool

This Quantum Computing Stock Recently Went Public, and It Could Be the Buy of the Year

Horizon Quantum, a newly public quantum computing software company, has seen its stock surge from $12 to $45 following government quantum initiatives and analyst coverage. However, the company has no revenue, rising operating expenses of $6.5M, and operates in an unproven commercial market. The article suggests waiting for earnings reports before investing, as quantum computers face significant technical and cost barriers to widespread adoption.

06/30/2026, 7:15 PM • The Motley Fool

The Quantum Bubble Is Real Enough to Take Seriously

The quantum computing industry faces potential valuation concerns despite real technological progress. Pure-play quantum companies like D-Wave and Rigetti show impressive stock gains but trade at extremely high price-to-sales multiples (700x+ for D-Wave) with minimal revenues. While some companies like IonQ demonstrate strong commercial traction and substantial cash reserves, the sector faces profitability challenges, high R&D costs, and increasing competition from tech giants like Intel and IBM entering the quantum space.

06/30/2026, 1:13 PM • Investing

Better Quantum Computing Stock: Alphabet vs. IonQ

The article compares two quantum computing leaders: Alphabet, which uses superconducting technology and has massive funding resources, and IonQ, which employs trapped ion technology and holds the world record for quantum computing accuracy at 99.99% two-qubit gate fidelity. While Alphabet is the safer bet due to its strong core business funding, IonQ offers higher risk-reward potential. The author recommends owning both stocks for exposure to different quantum computing approaches.

06/28/2026, 7:04 AM • The Motley Fool

Is IonQ Stock Overvalued Right Now?

IonQ has strong potential as a quantum computing platform with trapped-ion technology, cloud access, and commercial traction, but the stock's valuation already reflects high expectations for exceptional execution and future dominance, presenting significant valuation risk for investors.

06/27/2026, 10:30 AM • The Motley Fool

Quantum Computing Goes Mainstream: What 2 Executive Orders Mean for Investors

President Trump signed two executive orders on quantum computing on June 22, 2026, signaling major government commitment to the sector. The first order (QC-ADDS) aims to build a powerful quantum computer for a Department of Energy lab by 2028, while the second addresses post-quantum cryptography security threats. Combined with $2 billion in CHIPS Act funding announced last month, these policies create procurement pipelines and reduce friction for quantum companies. Recent breakthroughs from Quantinuum and IonQ demonstrate the science is advancing rapidly, supporting the ambitious 2028 timeline.

06/25/2026, 4:20 PM • Investing

Washington’s Quantum Push Puts IBM and IonQ on the Throne

The U.S. federal government is deploying $2 billion in direct equity stakes in quantum hardware developers through executive orders signed June 22, 2026. IBM is establishing Anderon, a quantum wafer foundry in Albany backed by $1 billion in CHIPS Act funding, while IonQ pursues a defense-focused strategy with its trapped-ion technology. Both companies benefit from guaranteed federal procurement deadlines through 2030-2031, creating a non-cyclical capital runway insulated from market fluctuations.

06/25/2026, 11:06 AM • Investing

IonQ vs. Quantinuum: Which Quantum Computing Accuracy-Leading Stock Looks Like the Better Buy?

IonQ and Quantinuum are leading the quantum computing race using trapped-ion technology with record-breaking accuracy levels. IonQ achieves 99.99% 2-qubit gate fidelity and is pursuing vertical integration through acquisitions, while Quantinuum offers 99.9975% 1-qubit fidelity and a robust software stack. The analyst favors IonQ due to its accuracy lead and vertical integration strategy, though both stocks present speculative opportunities in the emerging quantum computing sector.

06/25/2026, 9:15 AM • The Motley Fool

Quantum Computing Stocks IonQ, Rigetti Computing, and D-Wave Quantum Sent Shockwaves Through Wall Street With This $857 Million Warning

Insiders at quantum computing companies IonQ, Rigetti Computing, and D-Wave Quantum have collectively sold nearly $857 million in stock over the past two years, while insider buying has been virtually nonexistent. This insider selling activity raises concerns about valuations and the early-stage adoption challenges of quantum computing technology, despite the sector's significant growth potential.

06/25/2026, 5:06 AM • The Motley Fool

D-Wave’s New Simulator: How Does It Change the Quantum Computing Landscape?

D-Wave announced a new gate-model quantum computing simulator that could help the company expand beyond its traditional government and academic customer base. While the simulator initially boosted QBTS shares by 8%, the company faces challenges with declining Q1 revenue ($2.9M) despite strong bookings. The simulator's primary near-term value is demonstrating D-Wave's commitment to dual-platform quantum computing, though analysts remain broadly bullish with a consensus price target of $36.80, representing 46% upside potential.

06/24/2026, 10:24 AM • Investing

Should Investors Choose IonQ Over a More Established Quantum Computing Stock?

IonQ offers innovative quantum computing technology with trapped ions that reduce error rates and enable all-to-all qubit connectivity, achieving over eightfold revenue growth. However, the company faces significant financial challenges with $272 million in operating losses and trades at a P/S ratio of 97x, far exceeding the S&P 500 average of 3.7x. While high-risk investors may find IonQ appealing as a pure-play quantum stock, risk-averse investors should consider more established tech giants like IBM and Alphabet, which offer stability and lower valuations despite slower quantum-specific growth.

06/24/2026, 5:14 AM • The Motley Fool

Better Quantum Computing Stock to Buy: IonQ vs. Rigetti

IonQ emerges as the superior quantum computing pure-play stock compared to Rigetti Computing, leveraging its trapped-ion technology that achieves 99.99% 2-qubit gate fidelity and generating significantly higher revenue ($65M in Q1 vs. Rigetti's $4.4M). While both companies pursue different quantum computing approaches, IonQ's superior accuracy, greater computational capacity, and stronger market traction position it as the better investment, though diversification through quantum computing ETFs is recommended given sector risks.

06/19/2026, 3:23 AM • The Motley Fool

Is Rigetti Computing Stock a Buy Right Now?

Rigetti Computing's stock has fallen from an October 2025 all-time high of $58 to around $21, raising questions about its investment potential. The quantum computing company received up to $100 million in U.S. government funding and tripled Q1 2026 revenue to $4.4 million, but remains unprofitable with significant operating losses. With $400+ million in cash, Rigetti has runway to develop commercially viable quantum applications, though success depends on long-term market adoption and faces intense competition from pure-play quantum companies and tech giants like Google and IBM.

06/18/2026, 7:13 PM • The Motley Fool

Xanadu Quantum vs. IonQ: The Better Quantum Computing Stock Buy for 2026

The article compares two quantum computing companies: Xanadu Quantum Technologies, a newly public photonic quantum computing company, and IonQ, which uses ion-based technology. While both show strong revenue growth, IonQ is recommended as the better investment due to significantly higher sales ($64.7M vs $2.8M in Q1), larger cash reserves ($3.1B vs $272.5M), and a more attractive valuation (P/S ratio of 98 vs 700). IonQ's technology has gained more market traction and it has assembled a comprehensive technology stack positioning it for sustained growth.

06/18/2026, 12:15 PM • The Motley Fool

2 Quantum Stocks Are Drawing Capital as AI Infrastructure Hits a Wall

Capital is shifting from AI infrastructure to quantum computing as classical computing faces energy constraints and scalability limits. IonQ and Quantum Computing Inc. are leading the transition with record revenues, aggressive M&A activity, and government backing, though extreme volatility driven by short squeezes and insider selling characterizes these high-beta stocks.

06/18/2026, 10:27 AM • Investing