Qubits aren’t a league table.
Hardware quality, speed and the task matter alongside scale. Look for demonstrated results and distinguish physical from logical qubits.
Understand the metricsExplore the businesses, compare their exposure and build a watchlist worth coming back to.
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Explore by business exposure. Inclusion is not an investment ranking.
38 companiesNYSE: IONQ · USD · United States
Builds trapped-ion quantum computers and a broader quantum networking, sensing and security platform.
Follow delivered computing systems and paid adoption across networking and sensing. Separate organic progress from acquisitions.
Track recognized revenue, operating cash use and share issuance. Announced bookings are not the same as revenue.
Hardware quality, speed and the task matter alongside scale. Look for demonstrated results and distinguish physical from logical qubits.
Understand the metricsAsk what customers pay for, whether orders become revenue and how much cash the business needs to keep developing.
Read the company filingsA specialist, a chip supplier and a diversified technology company can have very different economics. Compare the business before the price.
Documented quantum activity. Original sources. A clear line between company research and market data.
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This curated directory includes publicly listed operating businesses with documented quantum computing, enabling technology or quantum security activity. It uses one listing per company and four exposure categories. Category membership is editorial classification, not a stock ranking. Private companies and ETFs are outside this company directory.
Compare revenue, cash use, funding needs and dilution alongside the company’s own filings. Provider financials refer to the whole listed company. Recent listings may include predecessor or SPAC periods and have limited history. Research questions on this page are prompts for investigation, not claims of current performance.
Company descriptions and listing sources were reviewed on 7 September 2026. This date is not a quote timestamp. Corporate actions and provider support can change. Company follows are saved in this browser when signed out and in your account when signed in. They are not trade orders or email alerts. Read published company coverage in Your Updates. Suggest a correction
For research and general information. Not personalized investment advice. Share prices can be volatile and capital is at risk.