Quantum computing stocks sit at the crossroads of advanced technology and a world where inflation, higher-for-longer interest rates, and energy shocks are shaping market sentiment. While bond yields, oil prices, and central-bank signals keep short term traders busy, some investors are looking to long term technology platforms that are still in the early stages of commercial adoption. The Quantum Computing Stocks screener focuses on companies involved in quantum hardware, software, and research, helping you filter this complex space into a practical watchlist. In this article, you will see three stocks from the screener that stand out as potential candidates for deeper research.

SEALSQ (LAES)

Overview: SEALSQ is a Switzerland based semiconductor company that provides secure chips, quantum resistant processors, and digital identity services for sectors such as smart energy, automotive EV charging, aerospace, defense, IoT, and medical, aiming to protect connected devices and critical infrastructure from emerging cyber and post quantum threats.

Operations: SEALSQ generates most of its revenue from semiconductors at about US$14.7m, with a smaller contribution from ASIC services at about US$4.1m and modest intersegment eliminations of about US$0.5m, while customers are primarily in North America (about US$10.5m) and Europe, the Middle East & Africa (about US$4.4m), with the Asia Pacific region contributing about US$3.2m.

Market Cap: US$557.3m

SEALSQ stands out in the quantum theme because it is already selling security focused semiconductors and post quantum cryptography products into real world segments while building a long pipeline, including more than US$225m of potential business through 2029 and partnerships that stretch from automotive to space based infrastructure. At the same time, investors are dealing with an early stage, loss making company with a very high P/S ratio, recent shareholder dilution, volatile trading, and borrowings that sit fully in higher risk external funding. Expectations are already elevated and execution needs to catch up. Forecast strong revenue growth, a large cash balance of about US$495m and new PQC focused launches give SEALSQ a high reward but equally demanding risk profile that may warrant closer inspection for those interested in quantum security.

SEALSQ’s long pipeline, post quantum focus and large cash position hint at a story that may not be fully priced in. The real twist sits inside the 1 key reward and 3 important warning signs (2 are major!)

IonQ (IONQ)

Overview: IonQ is a College Park based quantum computing company that gives customers access to its trapped ion quantum computers through major cloud platforms and its own cloud service, while also working on quantum safe communications and detection systems. It combines hardware development, algorithm consulting, and specialized system sales to bring quantum computing into commercial, research, and government use.

Operations: IonQ currently generates about US$187.1m in revenue, all from computer services, with about US$122.4m from the United States, US$27.5m from Switzerland, and US$37.2m from other international markets.

Market Cap: US$16.9b

IonQ has attracted attention because it sits at the center of quantum computing and quantum security, with access sold through AWS, Azure, Google Cloud and its own channels, and a growing footprint in government and defense projects. Revenue is forecast to grow about 34.6% per year and recent quarters show stronger profitability metrics. However, earnings are expected to decline on a multi year view and the stock trades on a P/E of 54.5x, which is well above fair value estimates and peers. Combined with high share price volatility, substantial past dilution, and a relatively new management team, this creates a high potential but demanding setup that can suit investors who closely examine what is driving those growth forecasts and premium pricing.

IonQ’s fast growing profile and premium P/E of 54.5x hint at a story that is not fully reflected in the headlines. Get the full context in the 2 key rewards and 4 important warning signs (3 are major!)

FormFactor (FORM)

Overview: FormFactor is a US based semiconductor test equipment company that builds probe cards and systems used to electrically test advanced chips, from GPUs and AI accelerators to memory and quantum processor devices, before they leave the factory. Its tools help chipmakers and foundries check performance, reliability, and yield at wafer level, which is critical as designs become more complex.

Operations: FormFactor generates about US$699.6m from Probe Cards and US$140.1m from Systems, with customers spread across major chip manufacturing regions including South Korea, Taiwan, the United States, China, Japan, Europe, Singapore, Malaysia, and the Rest of World.

Market Cap: US$8.27b

FormFactor provides direct exposure to testing for AI, high bandwidth memory and advanced packaging, where growing chip complexity is pushing up test intensity and demand for specialized probe cards. Recent earnings momentum, Russell 1000 inclusion and rising engagement with HBM DRAM makers and hyperscalers add interest. However, the stock already trades on a very high P/E and sits well above some cash flow based value estimates, so expectations are demanding. Margin pressure from product mix, higher operating costs and tariffs, plus concentrated customers and volatile DRAM cycles, keep execution risk high. The key consideration is whether the potential upside from AI hardware testing sufficiently compensates for those risks, which the detailed analyst forecasts and risk breakdown for FormFactor are intended to help investors assess.

FormFactor’s accelerating role in AI and HBM testing could be masking a very different risk reward profile than the headline P/E implies, and the detailed analyst forecasts for FormFactor hints at where that story really turns.

The three stocks covered here are only a starting point, with the full screener uncovering 23 more quantum computing companies with equally compelling stories across hardware, software, and research. Unlock and analyze those extra opportunities using filters for catalysts such as quantum algorithms, superconducting qubits, and real commercial traction so you can identify your highest conviction ideas in the Quantum Computing Stocks screener.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.