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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.

Direct verdict: QUBT vs ARQQ

QUBT leads this data snapshot on 4 of the five headline market, financial, runway, return and dilution measures with comparable data. The better investment still depends on valuation, technology execution and risk tolerance.

QUBT is the larger company at $1.87B market cap, about 5.6× the size of ARQQ ($333.77M).

QUBT reports more revenue ($682.00K vs $530.00K for ARQQ, latest fiscal year).

On cash runway — the metric that decides who needs to raise money first — QUBT is stronger (266mo vs 8mo).

QUBT vs ARQQ Performance (% return, all start at 0%)
2/263/264/275/266/257/27-35%+0%+35%+70%+105%
ARQQ+21.1%QUBT-1.3%
MetricQUBTQuantum Computing IncARQQArqit Quantum
Market
Price$8.24$20.13
Market Cap$1.87B$333.77M
1Y Return-45.8%-34.7%
52W High$25.84$62.00
52W Low$6.18$11.52
Financials
Revenue (latest FY)$682.00K$530.00K
Revenue YoY+82.8%+80.9%
Net Income-$18.67M-$35.34M
Cash & Equivalents$954.17M$28.86M
Cash Runway266mo8mo
Risk
Going Concern FlagNoNo
ATM Offerings (dilution)1626
Daily Short Vol %54.1%66.6%
Beta (1Y vs SPY)2.041.62
Government & Research
Federal Awards Total$95.66K—
Academic Citations——
Patents——
Quantum Technology
Physical Qubits——
Qubit ModalityPhotonic Variables (EQC — Entropy Quantum Computing)—
2Q Gate Fidelity——
Cloud PlatformsQCi Cloud (Dirac-3), Direct APISKA-Platform (SaaS), SKA-PI (Private Instance)
Roadmap TargetNeuraWave 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
Founded20182017
HeadquartersLeesburg, VALondon, UK
Employees7287
Company DNA0–100 rank vs all tracked stocks · missing data = 0
MomentumScaleRevenueRunwayGov $Research

Momentum = 1Y return · Scale = market cap · Runway capped at 36mo · Gov $ = federal awards · Research = citations + patents. Dollar axes use log scale.

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QUBT vs ARQQ FAQ

Is QUBT or ARQQ the bigger company?

QUBT is larger, with a market cap of $1.87B versus $333.77M for ARQQ.

Which has the longer cash runway, QUBT or ARQQ?

QUBT's cash runway is 266mo and ARQQ's is 8mo (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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