EX-Fusion key facts
as of Oct 2026- Developer of laser-powered nuclear fusion reactors designed to provide sustainable energy.
- EX-Fusion is valued at approximately $76.8M as of Oct 2026 (last reported valuation).
- It has raised $41.3M; the latest was Early Stage VC ($20.1M) in Oct 2025.
- Notable investors include Mitsubishi UFJ Capital, SMBC Venture Capital, Mizuho Capital, ANRI, Nissay Capital — 34 tracked in total.
- Status: Privately Held (backing).
EX-Fusion's last reported valuation, Nov 2024. Nothing priced has surfaced since.
- ·The complete investor list: 34 names
- ·Watch EX-Fusion: the Monday email on marks, rounds and moves
EX-Fusion funding rounds
No funding rounds for EX-Fusion are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
Who backs EX-Fusion
34+EX-Fusion valuation
EX-Fusion's last reported valuation was $76.8 million in Nov 2024. No priced round, secondary trade or fund mark has surfaced since.
EX-Fusion investors
34 investors are on record for EX-Fusion, including Mitsubishi UFJ Capital, SMBC Venture Capital, Mizuho Capital and ANRI. By type, the record holds 9 venture capital firms.
About EX-Fusion
Developer of laser-powered nuclear fusion reactors designed to provide sustainable energy. The company is engaged in the manufacture of continuous plasma generators, providing technology for fusion systems, and laser-plasma research, enabling clients to get research and development for the practical use of laser fusion commercial reactors.
- Sector
- Energy
- HQ
- Suita, Japan
- Founded
- 2021
- Employees
- 50
- Website
- ex-fusion.com/
- Ownership
- Privately Held (backing)
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