Key facts
- MiRESSO’s last known valuation is $8.4M (Mar 2024).
- It has raised $43.9M; the latest was Early Stage VC ($27.3M) in Feb 2026.
- Notable investors include Mitsubishi UFJ Capital, Global Brain, SBI Investment, Spiral Capital (Tokyo), Genesia Ventures — 17 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 17 names
- ·Watchlist + deal alerts for MiRESSO
- ·The full record, as it builds
Funding rounds
No funding rounds for MiRESSO are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About MiRESSO
Developer of a nuclear fusion platform intended for the social implementation of nuclear fusion through a stable supply of mineral resources. The company's platform allows mineral resources that require high-temperature processing to be refined at a comparatively low cost and with energy savings, enabling clients to get a stable and low-cost supply of beryllium.
- Sector
- Energy
- HQ
- Misawa, Japan
- Founded
- 2023
- Employees
- 20
- Website
- miresso.co.jp/
- Ownership
- Privately Held (backing)
MiRESSO doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in MiRESSO shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on MiRESSO in its N-PORT filings yet. We sweep new filings monthly.