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Proxima Fusion

Develops fusion energy technology aimed at commercializing a new source of clean power for European and global energy markets.

Deep Tech
Fusion Energy
Total Raised
$468M
Last Valuation
$3.1B
Headquarters
Europe

Overview

Proxima Fusion is a European fusion energy company developing technology to commercialize fusion power. Its target market is the energy sector, where fusion is pursued as a potential source of low-carbon electricity for grids and industrial demand. The company announced a €411 million ($468 million) round on July 7, 2026, described as the largest European fusion investment on record. The financing positions Proxima Fusion among the best-funded European fusion startups and provides significant capital for continued development.

Funding History

1 round · Jul 2026
$468M
Total Raised
1
Valuation: $3.1B
Cumulative: $468M

Largest European fusion investment on record sees Proxima Fusion raise €411 million

XTX Ventures (Lead)East X Ventures
Source

Frequently Asked Questions

How much has Proxima Fusion raised in total?
Proxima Fusion has raised a total of $468M across 1 funding round.
Who are Proxima Fusion's investors?
Proxima Fusion's investors include XTX Ventures, East X Ventures.
What does Proxima Fusion do?
Proxima Fusion is a European fusion energy company developing technology to commercialize fusion power. Its target market is the energy sector, where fusion is pursued as a potential source of low-carbon electricity for grids and industrial demand. The company announced a €411 million ($468 million) round on July 7, 2026, described as the largest European fusion investment on record. The financing positions Proxima Fusion among the best-funded European fusion startups and provides significant capital for continued development.
Where is Proxima Fusion headquartered?
Proxima Fusion is headquartered in Europe.