Stellaria

Grenoble, France · Founded 2023 · Privately Held (backing)

Operator of a reinventing sustainable neutron nuclear energy company intended for the design, construction, and commercialization molten salt reactor. Stellaria is based in Grenoble, France and was founded in 2023. Its last reported valuation was $65.5 million in Aug 2025. It has raised $28.5 million.

Last reported valuation

$65.5M

Oct 2026

Priced at

—

Total raised

$28.5M

Last round

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How much has Stellaria raised?

$28.5Macross 0 recorded rounds

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Stellaria investors

9 investors are on record for Stellaria, including At One Ventures, Supernova Invest, France 2030 and CEA Investissement.

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9 investors have backed Stellaria.

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Frequently asked about Stellaria

How much has Stellaria raised?: Stellaria has raised $28.5M in total across 0 recorded funding rounds.