Ex-Fusion Inc.
PrivateLast Round
Series A
Oct 14, 2025
Total Funding Raised
$60.21M
Momentum Score
25 /100
Company Overview
Ex-Fusion is a Japanese startup, spun out from Osaka University, focused on developing commercial laser-powered nuclear fusion reactors. The company's mission is to provide a safe, clean, and abundant energy source to address global climate change and energy demands. They are pursuing a fast ignition laser fusion approach with a goal to complete a technical demonstration plant by 2029 and a commercial reactor by 2035. In addition to their primary goal of energy generation, Ex-Fusion also applies its advanced laser and optical control technologies to other industrial sectors, including manufacturing, semiconductors, and aerospace, to generate revenue that funds their core fusion research.
Sector
Energy & Sustainability
Verticals
Renewable Energy, Computing Hardware, Sensors
Business Model
B2G
Customer Profile
Government Contracts, Hardware Sales, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Ex-Fusion Inc. Comps
Public and private peers based on sector, stage, and business model.
Ex-Fusion Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Oct 14, 2025 | ||||
| Debt | Jun 5, 2025 | ||||
| Series A | Jun 5, 2025 | ||||
| Pre Seed | Nov 8, 2024 | ||||
| Seed | Jul 6, 2023 | ||||
Pre Seed | Mar 31, 2022 |
Ex-Fusion Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Chushin Venture Capital | Series A |
| SBI Shinsei Corporate Investment | Series A |
| Fujikura Ltd. | Series A |
| EQT Foundation | Series A |
| Mizuho Capital | Series A |
| Hamamatsu Iwata Shinkin Bank | Series A |
| MPower Partners | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jan 1, 2030
Job posting indicates pursuit of an IPO in 2030.
- Dec 31, 2027
Aiming for JPY 200 million in gross profit by end of 2027.
Ex-Fusion Inc. Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Ex-Fusion Inc.'s valuation, stock price, and market status.
