First Light Fusion
PrivateLast Round
Early Funding
Apr 21, 2026
Total Funding Raised
$106.63M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
First Light Fusion is an inertial confinement fusion research company that develops hypervelocity projectile impact technology for commercial clean energy production.
Sector
Energy & Sustainability
Verticals
Renewable Energy, Advanced Materials
Business Model
B2B
Customer Profile
Services & Consulting, Government Contracts, Hardware Sales
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
First Light Fusion Comparables
Compare First Light Fusion with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Marvel Fusion | 82% | |
| Tokamak Energy | 80% | |
| General Fusion | 79% |
First Light Fusion Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Funding | Apr 21, 2026 | ||||
| Series C | Feb 14, 2022 | ||||
| Series B | Dec 23, 2020 | ||||
| Series A | Aug 19, 2015 | ||||
| Seed | Jul 7, 2011 |
First Light Fusion Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| East X Ventures | Early Funding |
| Braavos Investment Advisers | Series C |
| IP Group | Series C, Series B, Early Funding, Series A, Seed |
| Hostplus Superannuation Fund | Series C, Series B, Early Funding |
| Oxford Science Enterprises | Series C, Series B |
| University of Oxford | Series A |
| United Kingdom Atomic Energy Authority | Early Funding |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
Monthly visitors increased 56% MoM, reaching 7K.
- Apr 21, 2026
FLARE concept achieved highest energy gain of any inertial fusion energy method.
Recent news
Latest coverage and updates
- promotesAug 6, 2026
First Light Fusion Ltd promoted Jonathan Skidmore to Chief Scientist on Aug 6th '26.
- hiresAug 6, 2026
First Light Fusion Ltd hired Jonathan as Chief Scientist on Aug 6th '26.
First Light Fusion 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 First Light Fusion's valuation, stock price, and market status.
Is First Light Fusion a public or private company?
First Light Fusion is a private company.
What is the current stock price of First Light Fusion?
First Light Fusion is a private company with no public stock price. No recent secondary market data is available.
How much is First Light Fusion worth (valuation)?
Valuation information for First Light Fusion is not publicly available.
Can I buy First Light Fusion stock?
First Light Fusion 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 First Light Fusion's last funding round?
First Light Fusion's most recent funding round was Early Funding on April 21, 2026.
Who are the main investors in First Light Fusion?
Key investors in First Light Fusion include East X Ventures, IP Group, Oxford Science Enterprises.
Will First Light Fusion IPO soon?
No public IPO plans have been announced for First Light Fusion.
How can I track First Light Fusion secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor First Light Fusion's secondary market activity and sign up for updates.