Fuse Energy Technologies
PrivateLast Round
Series B
Dec 18, 2025
Est. Valuation
$5B
Total Funding Raised
$144.5M
Company Overview
Fuse Energy Technologies is a clean energy company that develops fusion energy technology and provides radiation effects testing services for government and commercial clients.
Sector
Frontier & Industrial Tech
Verticals
Defense Tech, Computing Hardware, Energy Storage
Business Model
B2B
Customer Profile
Services & Consulting, Government Contracts
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Fuse Energy Technologies Comparables
Compare Fuse Energy Technologies with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Fifth Gait Technologies | 77% | |
| Applied Physical Electronics, L.C. | 71% | |
| Boeing | 68% |
Fuse Energy Technologies Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Dec 18, 2025 | ||||
| Follow-on Offering | Jul 24, 2025 | ||||
| Series A | Sep 12, 2024 |
Key People
Founding team and executive leadership
Fuse Energy Technologies Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Mantis Venture Capital | Series A |
| Bracket Capital | Series A |
| 20VC | Series B |
| Buckley Ventures | Series A |
| Collaborative Fund | Series B |
| Abstract Ventures | Series A |
| Lowercarbon Capital | Follow-on Offering, Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 14, 2026
Building a new radiation testing facility in New Mexico.
- Feb 23, 2026
Job posting reveals 'Z-STAR' pulsed-power platform.
Recent news
Latest coverage and updates
- partners_withAug 2, 2026
Fuse partnered with NNSS on Aug 2nd '26.
- hiresJun 29, 2026
Fuse hired Maura Burns on Jul 2nd '26.
Fuse Energy Technologies Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about Fuse Energy Technologies's valuation, stock price, and market status.
Is Fuse Energy Technologies a public or private company?
Fuse Energy Technologies is a private company.
What is the current stock price of Fuse Energy Technologies?
Fuse Energy Technologies is a private company with no public stock price. No recent secondary market data is available.
How much is Fuse Energy Technologies worth (valuation)?
Fuse Energy Technologies's valuation is estimated at $200.0M based on funding round data.
Can I buy Fuse Energy Technologies stock?
Fuse Energy Technologies 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 Fuse Energy Technologies's last funding round?
Fuse Energy Technologies's most recent funding round was Series A on September 12, 2024.
Who are the main investors in Fuse Energy Technologies?
Key investors in Fuse Energy Technologies include Mantis Venture Capital, Bracket Capital, Buckley Ventures, Abstract Ventures, Tamarack Global.
Will Fuse Energy Technologies IPO soon?
No public IPO plans have been announced for Fuse Energy Technologies.
How can I track Fuse Energy Technologies secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Fuse Energy Technologies's secondary market activity and sign up for updates.