First Light Fusion
PrivateLast Round
Early Funding
Apr 21, 2026
Total Funding Raised
$106.63M
Momentum
Top 25%
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, Hardware Sales, Government Contracts
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.
- Apr 21, 2026
FLARE concept achieved highest energy gain of any inertial fusion energy method.
- Apr 21, 2026
$34M raised in early funding.
First Light Fusion Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Frequently Asked Questions
Common questions about First Light Fusion's valuation, stock price, and market status.