Stellaria
PrivateLast Round
Seed
Jul 17, 2025
Total Funding Raised
$30.54M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
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
Renewable Energy, Clean Manufacturing, Waste Management
Business Model
B2B
Customer Profile
Services & Consulting, Government Contracts, Data as a Service
AI Layer
Non-AI
Keywords
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% | |
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 |
Key People
Founding team and executive leadership
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 1, 2026
Grew 19% QoQ, from 26 to 31 employees.
- Jun 10, 2026
Grew 16% QoQ, from 25 to 29 employees.
Stellaria Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Stellaria's valuation, stock price, and market status.