QUBT vs ARQQ: Which Quantum Stock Is Better?
Quantum Computing Inc (Photonic) vs Arqit Quantum (Quantum Security) — live market, SEC financial and quantum-hardware data side by side.
QUBT is the larger company at $2.13B market cap, about 4.2× the size of ARQQ ($505.24M).
QUBT reports more revenue ($682.0K vs $530.0K for ARQQ, latest fiscal year).
On cash runway — the metric that decides who needs to raise money first — QUBT is stronger (335mo vs 15mo).
| Metric | QUBTQuantum Computing Inc | ARQQArqit Quantum |
|---|
| Market |
| Price | $9.43 | $29.72 |
| Market Cap | $2.13B | $505.24M |
| 1Y Return | -49.4% | -14.3% |
| 52W High | $25.84 | $62.00 |
| 52W Low | $6.18 | $11.52 |
| Financials |
| Revenue (latest FY) | $682.0K | $530.0K |
| Revenue YoY | +82.8% | +80.9% |
| Net Income | $-18,674,000 | $-35,343,000 |
| Cash & Equivalents | $986.11M | $36.98M |
| Cash Runway | 335mo | 15mo |
| Risk |
| Going Concern Flag | No | No |
| ATM Offerings (dilution) | 16 | 26 |
| Daily Short Vol % | 60.4% | 65.3% |
| Beta (1Y vs SPY) | 1.85 | 1.34 |
| Government & Research |
| Federal Awards Total | $1.45M | $0 |
| Academic Citations | — | — |
| Patents | — | — |
| Quantum Technology |
| Physical Qubits | — | — |
| Qubit Modality | Photonic Variables (EQC — Entropy Quantum Computing) | — |
| 2Q Gate Fidelity | — | — |
| Cloud Platforms | QCi Cloud (Dirac-3), Direct API | SKA-Platform (SaaS), SKA-PI (Private Instance) |
| Roadmap Target | NeuraWave commercial deployment 2026; TFLN photonic chip commercialization (POET collaboration; Luminar manufacturing) | Global enterprise and telco rollout via SKA-CC for MSPs and sovereign private deployments |
| Company |
| Founded | 2018 | 2017 |
| Headquarters | Leesburg, VA | London, UK |
| Employees | — | — |
QUBT vs ARQQ FAQ
Is QUBT or ARQQ the bigger company?
QUBT is larger, with a market cap of $2.13B versus $505.24M for ARQQ.
Which has the longer cash runway, QUBT or ARQQ?
QUBT's cash runway is 335mo and ARQQ's is 15mo (current cash ÷ trailing-twelve-month operating burn; "CF+" means cash-flow positive).
What technology do QUBT and ARQQ use?
Quantum Computing Inc (QUBT): Photonic Variables (EQC — Entropy Quantum Computing). Arqit Quantum (ARQQ): Quantum Security. Qubit counts are not directly comparable across different modalities.
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