Quantum Computing Stocks by Revenue
Quantum computing valuations run far ahead of revenue — this list shows which companies are actually converting the technology into sales today. Every pure-play quantum stock is ranked by its latest fiscal-year revenue as reported to SEC EDGAR, with year-over-year growth and market cap alongside so you can see how much investors are paying per dollar of real business.
As of · updates with live market data
Not ranked (no revenue (latest fy) data yet): INFQ, XNDU, HQ, IQMX.
The companies, in order
1. IonQ (IONQ) — $130.02M
IonQ develops trapped-ion quantum computers accessible via cloud through AWS Braket, Azure Quantum, and Google Cloud. The company builds full-stack quantum hardware and software targeting fault-tolerant quantum computing.
IONQ live data, financials & filings →2. Quantinuum (QNT) — $30.93M
Quantinuum develops trapped-ion quantum computers and quantum software, spun out of Honeywell in 2021. Its H-Series and Helios systems hold world records in gate fidelity and quantum volume. Software platforms include InQuanto (quantum chemistry), Quantum Origin (cybersecurity entropy), and lambeq (quantum NLP/AI). IPO: Nasdaq June 2026.
QNT live data, financials & filings →3. D-Wave Quantum (QBTS) — $24.59M
D-Wave is the world's first commercial quantum computing company, specializing in quantum annealing technology for optimization problems. Its systems are used in logistics, finance, and drug discovery.
QBTS live data, financials & filings →4. Rigetti Computing (RGTI) — $7.09M
Rigetti Computing is a full-stack quantum-classical computing company using superconducting qubits. It fabricates its own chips at Fab-1 and provides cloud access through Quantum Cloud Services (QCS).
RGTI live data, financials & filings →5. Quantum-Si (QSI) — $2.44M
Quantum-Si is building a semiconductor chip-based platform for single-molecule protein sequencing using quantum-detection technology. Its Platinum Pro system targets proteomics research; next-gen Proteus instrument targets late 2026 commercial launch.
QSI live data, financials & filings →6. Quantum Computing Inc (QUBT) — $682.00K
Quantum Computing Inc develops photonic quantum processors and reservoir quantum computing systems. Its Dirac series uses Entropy Quantum Computing (EQC) for constrained optimization, and its Neurawave product applies photonic reservoir computing to edge AI inference.
QUBT live data, financials & filings →7. Arqit Quantum (ARQQ) — $530.00K
Arqit provides quantum-safe encryption-as-a-service via its SKA-Platform, delivering symmetric key agreements resistant to both current and future quantum computer attacks, protecting governments and enterprises.
ARQQ live data, financials & filings →Methodology: Revenue is the most recent fiscal year with reported revenue in SEC EDGAR annual filings (10-K/20-F). Companies that listed recently and have not yet filed an annual report are excluded until their first filing lands. YoY growth compares that fiscal year to the prior one. Covers the US-listed pure-play quantum universe tracked by this site. Full metric definitions on the methodology page. Not investment advice.
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