Transmutex

Innovators in Sustainable Energy

Geneva, Switzerland · Founded 2019 · $27.2M raised

Headquarters
Geneva
Founded
2019
Business Model
B2B
Total Funding
$27.2M
Last Round
$20.0M Series ANov 2025
Rounds
3

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 3 funding rounds and 7 investors for this company. The full record is or through the API.

About

Transmutex designs software and systems for accelerator-powered technology that converts existing nuclear waste into clean energy and produces radioisotopes for medical and industrial applications. Its technology is intended for nuclear energy, nuclear waste, and nuclear medicine, generating district heat or electricity while emphasizing safety, proliferation resistance, and environmental sustainability. The company also says its approach can reduce the volume and radiotoxicity of long-lived nuclear waste and transform medical diagnostics through advanced isotope production.

Summary

Transmutex is a Climate Tech company based in Geneva, Switzerland, founded in 2019. It has raised $27.2M in total across 3 rounds, most recently a $20.0M Series A round in Nov 2025. Investors include Union Square Ventures, ARPA-E and At One Ventures.

Tech & App Stack

2 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

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Funding History

Series ASeries ANov 2025
$20.0M

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Funding: Seed through Series A. Amounts, valuations, and investors where available.

Investors

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