Stellaria
PrivateLast Round
Seed
Jul 17, 2025
Total Funding Raised
$30.54M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Stellaria operates in Energy & Sustainability and is based in Grenoble. Its latest recorded funding round was a Seed round in July 2025.
Stellaria is a nuclear energy company that develops the Stellarium, a molten-salt reactor designed to provide sustainable, low-cost energy for industrial sites and cities.
Sector
Energy & Sustainability
Verticals
Energy Management, Clean Manufacturing, Waste Management
Business Model
B2B
Customer Profile
Services & Consulting, Government Contracts, Data as a Service
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Stellaria Comparables
Compare Stellaria with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| NAAREA | 89% | |
| Thorizon | 87% | |
| Jimmy Energy | 79% |
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Stellaria Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Jul 17, 2025 | ||||
| Grant | Mar 22, 2024 | ||||
| Seed | Dec 29, 2023 |
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Key People
Founding team and executive leadership
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Stellaria Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| France 2030 | Grant |
| Exergon | Pre Seed, Seed |
| Supernova Invest | Seed |
| At One Ventures | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
Monthly visitors increased 40% MoM.
- Aug 1, 2026
Grew 19% QoQ, from 26 to 31 employees.
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Stellaria Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Stellaria's valuation, stock price, and market status.
Is Stellaria a public or private company?
Stellaria is a private company.
What is the current stock price of Stellaria?
Stellaria is a private company, so its shares have no public market price. Caplight tracks Stellaria's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Stellaria worth (valuation)?
Valuation information for Stellaria is not publicly available.
Can I buy Stellaria stock?
Stellaria shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Stellaria's last funding round?
Stellaria's most recent funding round was Seed on July 17, 2025.
Who are the main investors in Stellaria?
Key investors in Stellaria include At One Ventures.
Will Stellaria IPO soon?
No public IPO plans have been announced for Stellaria.
How can I track Stellaria secondary market activity?
Caplight tracks bids, offers, and trades in Stellaria's shares on secondary markets.