Quobly’s €115M Series A in June 2026 is one of Europe’s largest quantum Series A rounds — and a distinctly French bet: build quantum processors on silicon, leveraging the existing semiconductor supply chain.

The problem this startup is attacking

Most quantum approaches require exotic materials and bespoke fabrication. Quobly’s silicon-based qubits aim to ride existing chip-manufacturing infrastructure, a potential shortcut to industrial scale.

Why this is a live problem now

• Manufacturability — not just qubit counts — is the bottleneck to useful quantum.
• Europe wants sovereign quantum capability.
• Silicon compatibility could compress the path to commercialization.

Competitive map

• Oxford Quantum Circuits, IQM, Pasqal (European peers).
• Silicon-spin-qubit efforts globally (Intel, others).
• Superconducting and trapped-ion approaches.

Market signal (the number to remember)

• €115M Series A — sizable early-stage conviction in a manufacturing-first quantum thesis, with a stated goal of a first commercial system.

Practical takeaway (operator + investor)

Quobly reinforces that quantum’s winners may be decided by fab compatibility and supply chain, not lab benchmarks alone. Founders should emphasize manufacturability; investors should weigh the long horizon against the strategic upside.

Sources

1. Startuprise (Quobly €115M Series A): https://startuprise.co.uk/top-funding-wrap-of-the-week-01-june-05-june-2026/
2. Tech.eu (European weekly recap, Quobly): https://tech.eu/2026/06/08/european-tech-weekly-recap-over-eur23b-invested-in-the-tech-ecosystem-in-the-first-week-of-june/