# Lightspring funding rounds and investors

As of 7 Nov 2026, Lightspring has raised $3.5M across 1 verified round on record (amounts in other currencies converted to USD); latest: €3.1M seed round led by Atlantic and OVNI Capital, announced 22 Sep 2026.

A Besançon-based DeepTech startup that designs and manufactures the optical interfaces of photonic integrated circuits

Website: https://www.light-spring.com/  
Headquarters: Besançon, France  
Page: https://fireround.dev/companies/lightspring

## Verified rounds

| Announced | Round | Amount | Lead investors | Other investors | Sources |
| --- | --- | --- | --- | --- | --- |
| 2026-09-22 | Seed | €3.1M | Atlantic, OVNI Capital | Concept Ventures, IXCORE GROUP, Plug and Play | [tech.eu](https://tech.eu/2026/09/22/lightspring-raises-eur35m-to-tackle-photonic-chip-manufacturing-bottleneck), [eu-startups.com](https://www.eu-startups.com/2026/09/besancon-based-lightspring-raises-over-e3-5-million-to-industrialise-photonic-chip-packaging), [konsulteer.com](https://www.konsulteer.com/article/lightspring-raises-3-5m-to-industrialise-photonic-chip-packaging-for-ai-infrastructure) |

Source: Fireround (https://fireround.dev), an open-source funding feed. Each round is checked against the pages listed with it.