Thea Energy
PrivateLast Round
Series B
Extension
Aug 18, 2026
Est. Valuation
$302.7M
Total Funding Raised
$220M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
Thea Energy is a clean energy company that develops a fusion energy system designed to provide a limitless source of zero-emission power, utilizing stellarator physics and engineering with planar coils to facilitate continuous fusion reactions.
Sector
Energy & Sustainability
Verticals
Renewable Energy
Business Model
B2B
Customer Profile
Services & Consulting, Government Contracts, Data as a Service
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Thea Energy Comparables
Compare Thea Energy with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Type One Energy Group | 87% | |
| Helical Fusion Co., Ltd. | 86% | |
| Zap Energy | 85% |
Thea Energy Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B Extension | Aug 18, 2026 | ||||
| Strategic | Jul 2, 2026 | ||||
| Series B | May 27, 2026 | ||||
| Series A | Feb 8, 2024 | ||||
| Grant | Jul 27, 2023 | ||||
Grant | Jun 1, 2023 |
Key People
Founding team and executive leadership
Thea Energy Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Linse Capital | Series B, Series B Extension |
| Overlay Capital | Series B, Series B Extension |
| Orion Industrial Ventures | Series B, Series A, Series B Extension |
| Climate Capital | Series B |
| US Innovative Technology Fund | Series B, Series B Extension |
| Mercator Partners | Series B, Series A, Series B Extension |
| HV Fund | Series B, Series A, Series B Extension |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 18, 2026
$100M round led by US Innovative Technology Fund.
- Jul 2, 2026
$8M round led by Fisher8 Capital and Manifold Trading.
Recent news
Latest coverage and updates
- is_developingJul 28, 2026
Thea Energy Inc. was planning to develop stellarator-based fusion concept, a reactor design on May 1st '26.
- invests_into_assetsJul 27, 2026
Thea Energy Inc. plans to invest into assets: fusion power plant on Jul 1st '40.
- receives_awardJul 27, 2026
Thea Energy Inc. receives award ARPA-E SCALEUP.
Thea Energy 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.
Request accessFrequently Asked Questions
Common questions about Thea Energy's valuation, stock price, and market status.
Is Thea Energy a public or private company?
Thea Energy is a private company.
What is the current stock price of Thea Energy?
Thea Energy is a private company with no public stock price. No recent secondary market data is available.
How much is Thea Energy worth (valuation)?
Thea Energy's valuation is estimated at $302.7M based on funding round data.
Can I buy Thea Energy stock?
Thea Energy shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Thea Energy's last funding round?
Thea Energy's most recent funding round was Strategic on May 27, 2026.
Who are the main investors in Thea Energy?
Key investors in Thea Energy include US Innovative Technology Fund, Prelude Ventures, Maven 11 Capital, Hack VC, Fisher8 Capital.
Will Thea Energy IPO soon?
No public IPO plans have been announced for Thea Energy.
How can I track Thea Energy secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Thea Energy's secondary market activity and sign up for updates.