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 operates in Energy & Sustainability and is based in Kidlington. Its latest recorded funding round was a Series C round in February 2022.
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, Defense Tech, Space Technology
Business Model
B2B
Customer Profile
Services & Consulting, Hardware Sales, Government Contracts
AI Layer
Infrastructure
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% |
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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 |
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Key People
Founding team and executive leadership
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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 |
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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.
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Recent news
Latest coverage and updates
- hiresAug 6, 2026
First Light Fusion Ltd promotes Dr. Jonathan Skidmore to Chief Scientist on Aug 6th '26, with the role covering its scientific vision across theory, modelling, target design and experimental programmes, including advancing FLARE.
- promotesAug 6, 2026
On Aug 6th '26, First Light Fusion Ltd promotes Dr. Jonathan Skidmore to Chief Scientist, with responsibility for the company’s scientific vision across theory, modelling, target design, and experimental programmes.
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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.
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Frequently 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, so its shares have no public market price. Caplight tracks First Light Fusion's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
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.
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 in First Light Fusion's shares on secondary markets.