Key facts
- Transmutex’s last known valuation is $24.9M (Nov 2020).
- It has raised $45.7M; the latest was Later Stage VC ($11.5M) in Feb 2025.
- Notable investors include Plug and Play Tech Center, AlleyCorp, Tiny Supercomputer Investment Company, Union Square Ventures, Verve Ventures — 16 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 16 names
- ·Watchlist + deal alerts for Transmutex
- ·The full record, as it builds
Funding rounds
No funding rounds for Transmutex are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Transmutex
Developer of nuclear technology designed to address the problem of spent nuclear fuel by reducing its toxicity and long-term hazards. The company offers the Subcritical Transmutation Accelerated Regenerative Technology (START) system, which transforms long-lived transuranic elements and fission products into shorter-lived isotopes, enabling the recycling of nuclear material and the production of new proliferation-resistant fuel from thorium.
- Sector
- Energy
- HQ
- Geneva, Switzerland
- Founded
- 2019
- Employees
- 66
- Website
- transmutex.com/
- Ownership
- Privately Held (backing)
Transmutex 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 Transmutex 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 Transmutex in its N-PORT filings yet. We sweep new filings monthly.