Funding round

Proxima Fusion Seed
Proxima Fusion, which works in fusion power plant design and construction in Munich, raised $22M in a Seed round announced on 10 Apr 2024, led by redalpine. 9 firms took part. It is Proxima Fusion's second venture round on record; the one before was a Pre-seed in Nov 2023.
$22M
Amount raised
20,000,000 EUR converted
Not disclosed
Post-money valuation
9
Investors
1 lead
Valuation
What this round says about the price
Proxima Fusion did not disclose a valuation in this round. It came 5 months after Proxima Fusion's Pre-seed. It is 4.2% of the $515M Proxima Fusion has raised in the venture rounds on record. Proxima Fusion raised again 17 months later: a Series A round of $18M in Sep 2025. Its next priced round, a Growth in Jul 2026, valued it at $2.70B.
Proxima Fusion's funding rounds
Proxima Fusion has 4 venture rounds on record. This one is highlighted.
Investors
Who put money in
redalpine led the round with 8 other firms.
Lead investor
- backs 58 venture-backed companies new investor
Also in the round
- backs 92 venture-backed companies new investor
- backs 16 venture-backed companies new investor
- Max Planck Foundation new investor
- Plural new investor
- backs 49 venture-backed companies new investor
- backs 232 venture-backed companies new investor
- backs 5 venture-backed companies new investor
- backs 6 venture-backed companies new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to hiring, product development, scaling operations and working capital.
- Hiring
- Product development
- Scaling operations
- Working capital
Comparable rounds
How it compares
7 Seed rounds in Research Institutes within a year either side disclosed an amount; the median was $9.4M, and this round was 2.3 times the median. The closest in time, other companies' Seed rounds in Research Institutes:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| CuspAI Research Institutes | 18 Jun 2024 | $30M | not disclosed | Hoxton Ventures |
| Research Institutes | 8 Aug 2024 | $46M | not disclosed | not named |
| Research Institutes | 5 Sep 2024 | $9.4M | not disclosed | Breega and Cathay Innovation |
| Research Institutes | 15 Nov 2023 | $4.7M | not disclosed | Morpheus Ventures |
| Research Institutes | 29 Aug 2023 | $5.4M | not disclosed | Climentum Capital |
| Research Institutes | 1 Jan 2025 | $30M | not disclosed | not named |
| Research Institutes | 11 Mar 2025 | $5.0M | not disclosed | Jane Street and Amber Group |
Sources
Where this comes from
Reported by 3 sources.
Questions
Frequently asked
How much did Proxima Fusion raise in its Seed round?
Proxima Fusion raised $22M in its Seed round, announced in Apr 2024.
Who led Proxima Fusion's Seed round?
redalpine led it, with Bayern Kapital, DeepTech & Climate Fonds, Max Planck Foundation, Plural and UVC Partners and 3 more.
What was Proxima Fusion's valuation at the Seed round?
It was not disclosed.
How does it compare with other Seed rounds in Research Institutes?
7 Seed rounds in Research Institutes within a year either side disclosed an amount; the median was $9.4M, and this round was 2.3 times the median.
Did Proxima Fusion raise again after this round?
Yes: a Series A round in Sep 2025 of $18M.