C12 Quantum Electronics
Unique at Scale | Carbon-Based Quantum Computing by C12
Paris, France · Founded 2020 · $122.2M raised
- Headquarters
- Paris
- Employees
- 11–50
- Founded
- 2020
- Business Model
- B2B
- Website
- c12qe.com
- Total Funding
- $122.2M
- Last Round
- $19.8M Series BMar 2026
- Rounds
- 6
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
C12 Quantum Electronics is a Paris-based quantum computing startup founded in 2020 by Pierre and Matthieu Desjardins as a spin-off of ENS Paris and CNRS. The company develops a novel quantum processor architecture using ultra-pure carbon nanotube spin qubits, targeting scalable fault-tolerant quantum computing for applications in materials design, drug discovery, and industrial optimization.
Summary
C12 Quantum Electronics is a Quantum Computing company based in Paris, France, founded in 2020. It has raised $122.2M in total across 6 rounds, most recently a $19.8M Series B round in Mar 2026.
Tech & App Stack
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Funding History
Mar 2026
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Funding: Seed through Series B. Amounts, valuations, and investors where available.
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