C12
Last verified 2026-05-02. JSON
The funding figures on this page are attributed, not sourced: a publisher is on record but no document URL is. How we mark provenance.
| Total raised | $28.0Mattributed |
|---|---|
| Latest round | series-a, $19.4M, 2024-06-19attributed |
| Founded | 2020 |
| Headquarters | Paris, France |
| Industry | infra |
| Stage | series-a |
| Website | c12qe.com |
C12 builds carbon-based quantum computers using carbon nanotubes as the fundamental qubit building block. It targets researchers and enterprises in materials, chemistry, finance, and industry needing fault-tolerant quantum acceleration. C12 holds an exclusive CNRS patent on its carbon-nanotube qubits and is the only startup advancing this approach toward fault-tolerant systems on its 2033 roadmap.
Funding rounds
| Date | Round | Amount | Lead |
|---|---|---|---|
| 2024-06-19 | series-a | $19.4M | undisclosed |
Detected tech stack
Cloudflare, Google Font API, Google Hosted Libraries, Google Tag Manager, jsDelivr, jquery 3.5.1
Provenance
| Fact | Status | Basis |
|---|---|---|
| Series A, $19.4M | attributed | techcrunch named as publisher. No document URL on file. |
| Total raised $28.0M | attributed | techcrunch named as publisher. No document URL on file. |
| Company existence | self-reported | c12qe.com, read 2026-05-02 |
| Description | self-reported | c12qe.com, read 2026-05-02 |
Nothing on this page is sourced yet. A sourced fact links to a document that states it.
Change history
No change recorded since records began on 2026-09-24.