Proxima Fusion

Building stellarators to power the future

Munich, Germany · Founded 2023 · $1.1B raised

Headquarters
Munich
Employees
51–200
Founded
2023
Business Model
B2B
Total Funding
$1.1B
Last Round
$469.0M Growth EquityJul 2026
Rounds
6

About

Proxima Fusion is a Munich-based fusion energy company and the first spin-out from the Max Planck Institute for Plasma Physics. It is building the first generation of commercial fusion power plants using quasi-isodynamic (QI) stellarators, leveraging research from the record-breaking Wendelstein 7-X stellarator. Its Stellaris power plant concept, published in 2025, is designed for continuous grid-ready operation.

Summary

Proxima Fusion is a Clean Energy company based in Munich, Germany, founded in 2023. It has raised $1.1B in total across 6 rounds, most recently a $469.0M Growth Equity round in Jul 2026. Investors include XTX Ventures, Plural and UVC Partners.

Tech & App Stack

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Funding History

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Growth EquityGrowth FinancingJul 2026
$469.0M

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Angel through Growth Equity — per-round amounts, valuations, and who invested in each round.

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