Quantum Market Cap

ARQQ vs XNDU: Which Quantum Stock Is Better?

Arqit Quantum (Quantum Security) vs Xanadu (Photonic) — live market, SEC financial and quantum-hardware data side by side.

XNDU is the larger company at $3.53B market cap, about 7.0× the size of ARQQ ($505.24M).

MetricARQQArqit QuantumXNDUXanadu
Market
Price$29.72$11.85
Market Cap$505.24M$3.53B
1Y Return-14.3%—
52W High$62.00$42.44
52W Low$11.52$6.97
Financials
Revenue (latest FY)$530.0K—
Revenue YoY+80.9%—
Net Income$-35,343,000—
Cash & Equivalents$36.98M$272.46M
Cash Runway15mo—
Risk
Going Concern FlagNoNo
ATM Offerings (dilution)266
Daily Short Vol %65.3%47.0%
Beta (1Y vs SPY)1.340.62
Government & Research
Federal Awards Total$0—
Academic Citations—114K
Patents——
Quantum Technology
Physical Qubits—12
Qubit Modality—Logical GKP Qubits (Photonic / CV-QC)
2Q Gate Fidelity——
Cloud PlatformsSKA-Platform (SaaS), SKA-PI (Private Instance)PennyLane (Open Source), Xanadu Quantum Cloud (partner access)
Roadmap TargetGlobal enterprise and telco rollout via SKA-CC for MSPs and sovereign private deploymentsFault-tolerant photonic quantum data center by 2028–2029; 500 logical qubits by 2029–2030
Company
Founded20172016
HeadquartersLondon, UKToronto, ON, Canada
Employees——

ARQQ vs XNDU FAQ

Is ARQQ or XNDU the bigger company?

XNDU is larger, with a market cap of $3.53B versus $505.24M for ARQQ.

Which has the longer cash runway, ARQQ or XNDU?

ARQQ's cash runway is 15mo and XNDU's is — (current cash ÷ trailing-twelve-month operating burn; "CF+" means cash-flow positive).

What technology do ARQQ and XNDU use?

Arqit Quantum (ARQQ): Quantum Security. Xanadu (XNDU): Logical GKP Qubits (Photonic / CV-QC). Qubit counts are not directly comparable across different modalities.

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