C12 Quantum Electronics

Active#33 worldwide · Quantum computers

Estimated valuation · Quantum computers · France

Develops quantum processors using spin qubits in ultra-pure carbon nanotubes placed on silicon chips, aiming at scalable error-corrected quantum computers for research and industry.

Industrial, deeptech & space›Quantum computers c12qe.com

HQFrance

Last roundPre-Series A · Jun 2024

Estimated valuation

AI · Quantum computers ranking (worldwide)

≈ USD 100MUSD 67–150M · Hundreds of M$

Hundreds of k$

Millions $

Tens of M$

Hundreds of M$

Unicorn

Decacorn

Hectocorn

Anchor: Last known equity round: Pre-Series A · USD 19.4M · Jun 2024

An indicative editorial estimate produced by AI, imperfect by nature: neither a financial valuation nor investment advice. Only the market sets a company’s value. Method

Uback rankings

How the AI ranks →

Ranking	Tier	Rank	Edition	Next update
Quantum computers · worldwide	Top 46	#33	Edition 0 · Oct 2026	6 Dec 2026

Rank historyOct 2026 · #33 Quantum computersFirst edition: no movements yet.

Funding history

Date	Round	Amount	Type	Investors
Jun 2024	Pre-Series A	USD 19.4M	Equity	Varsity Capital, EIC Fund, Verve Ventures, 360 Capital, Bpifrance, BNP Paribas Développement

EUR 18M.

Rounds as cited by Uback’s rankings. Equity, debt and grants are shown separately; only equity rounds count towards the valuation anchor.

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What the AI reads

Pappers (French company registry)Planned

Read by the AI at the next edition.

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Full quantum computers ranking →

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Last updated: Oct 2026Report an error

Uback is a content publisher and an aggregator of non-binding expressions of interest. It provides no investment advice, receives no mandate and takes part in no transaction. Rankings, ranges and brackets are editorial estimates produced by AI, purely indicative.