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QUBT vs ARQQ

Side-by-side quantum stock comparison: market cap, share price, classification, and thesis.

Pure-play
Quantum Computing Inc.
$1.59B
Market cap
$11.68
Share price
Pure-play
Arqit Quantum Inc.
$259.67M
Market cap
$16.59
Share price

Market cap, head to head

Stat-by-stat

MetricQUBTARQQ
TypePure-playPure-play
SegmentHardware + SoftwareSoftware
ExchangeNASDAQNASDAQ
CountryUSGB
Market cap$1.59B$259.67M
Share price$11.68$16.59
Employees4182
SectorTechnologyTechnology
IndustryComputer HardwareSoftware - Infrastructure
QUBT
Quantum Computing Inc.

Quantum thesis

Quantum Computing Inc focuses on photonic quantum hardware and quantum-inspired software it markets for optimization, sensing, and machine learning workloads. Revenue is minimal and the ticker trades as a high-beta retail vehicle whose moves often outrun fundamentals. Investors should weigh photonic claims against verifiable product shipments.

Full QUBT page →
ARQQ
Arqit Quantum Inc.

Quantum thesis

Arqit sells symmetric-key encryption software designed to be resilient against future quantum attacks. It is not a quantum computer company; it is a post-quantum cryptography company whose product addresses the security threat that scalable quantum computing would create. Read Arqit as a security thesis adjacent to the quantum trade, not as a bet on quantum hardware itself.

Full ARQQ page →