Proxima Fusion valuation, funding and investors
Proxima Fusion works in fusion power plant design and construction, based in Munich, Germany. Founded in 2022, it has about 191 employees.
- Last round
- Growth · $468M · Jul 2026
- Valuation at last round
- $2.70B
- Headcount
- 191 · growing
- Grade
- A
- Founded
- 2022
Proxima Fusion valuation today
VCMC values Proxima Fusion at $2.8B today, with a range of $2.3B to $3.5B and a grade of A. The valuation starts from its last funding round, a growth round in Jul 2026.
Valuation by date (63 rows)
Each point is what the model would have shown on that date, using only what was known then; before its first round, a company is valued as a startup because it later raised.
| Date | Valuation | Range | Predicted in 1 yr | Phase | Headcount | Trend | Grade | Winding-down probability |
|---|---|---|---|---|---|---|---|---|
| 1 Jan 2022 | $11.6M | $4.23M – $31.9M | $12.7M (+9%) | before first round | – | unknown | D | 0% |
| 1 Feb 2022 | $11.7M | $4.26M – $32.2M | $12.8M (+9%) | before first round | – | unknown | D | 0% |
| 1 Mar 2022 | $11.8M | $4.29M – $32.4M | $12.9M (+9%) | before first round | – | unknown | D | 0% |
| 1 Apr 2022 | $11.9M | $4.32M – $32.6M | $13.0M (+9%) | before first round | – | unknown | D | 0% |
| 1 May 2022 | $12.0M | $4.35M – $32.9M | $13.1M (+9%) | before first round | – | unknown | D | 0% |
| 1 Jun 2022 | $12.1M | $4.39M – $33.1M | $13.2M (+9%) | before first round | – | unknown | D | 0% |
| 1 Jul 2022 | $12.1M | $4.42M – $33.3M | $13.3M (+9%) | before first round | – | unknown | D | 0% |
| 1 Aug 2022 | $12.2M | $4.45M – $33.6M | $13.4M (+9%) | before first round | – | unknown | D | 0% |
| 1 Sep 2022 | $12.3M | $4.49M – $33.8M | $13.5M (+9%) | before first round | – | unknown | D | 0% |
| 1 Oct 2022 | $12.4M | $4.52M – $34.1M | $13.6M (+9%) | before first round | – | unknown | D | 0% |
| 1 Nov 2022 | $12.5M | $4.55M – $34.3M | $13.7M (+9%) | before first round | – | unknown | D | 0% |
| 1 Dec 2022 | $12.6M | $4.59M – $34.6M | $13.8M (+9%) | before first round | – | unknown | D | 0% |
| 1 Jan 2023 | $12.7M | $4.62M – $34.9M | $13.9M (+9%) | before first round | – | unknown | D | 0% |
| 1 Feb 2023 | $12.8M | $4.65M – $35.1M | $14.0M (+9%) | before first round | – | unknown | D | 0% |
| 1 Mar 2023 | $12.9M | $4.69M – $35.4M | $14.1M (+9%) | before first round | – | unknown | D | 0% |
| 1 Apr 2023 | $13.0M | $4.72M – $35.6M | $14.2M (+9%) | before first round | – | unknown | D | 0% |
| 1 May 2023 | $13.1M | $4.76M – $35.9M | $14.3M (+9%) | before first round | – | unknown | D | 0% |
| 1 Jun 2023 | $13.2M | $4.79M – $36.2M | $14.4M (+9%) | before first round | – | unknown | D | 0% |
| 1 Jul 2023 | $13.3M | $4.83M – $36.4M | $14.5M (+9%) | before first round | – | unknown | D | 0% |
| 1 Aug 2023 | $13.4M | $4.86M – $36.7M | $14.5M (+8%) | before first round | – | unknown | D | 0% |
| 1 Sep 2023 | $13.5M | $4.90M – $37.0M | $14.5M (+8%) | before first round | – | unknown | D | 0% |
| 1 Oct 2023 | $13.7M | $4.98M – $37.6M | $14.6M (+7%) | before first round | 17 | unknown | D | 0% |
| 1 Nov 2023 | $13.8M | $5.02M – $37.9M | $14.6M (+6%) | before first round | 17 | unknown | D | 0% |
| 21 Nov 2023 | $53.8M | $35.3M – $164M | $107M (+100%) | after a round | 17 | unknown | C | 0% |
| 1 Dec 2023 | $54.9M | $35.3M – $164M | $107M (+96%) | after a round | 17 | unknown | C | 0% |
| 1 Jan 2024 | $58.2M | $35.3M – $164M | $107M (+85%) | after a round | 17 | unknown | C | 0% |
| 1 Feb 2024 | $63.1M | $39.4M – $183M | $120M (+90%) | after a round | 28 | growing | C | 0% |
| 1 Mar 2024 | $67.5M | $40.0M – $185M | $122M (+80%) | after a round | 30 | growing | C | 0% |
| 1 Apr 2024 | $72.4M | $40.0M – $185M | $122M (+68%) | after a round | 30 | growing | C | 0% |
| 11 Apr 2024 | $113M | $79.5M – $320M | $226M (+100%) | after a round | 30 | growing | C | 0% |
| 1 May 2024 | $117M | $79.5M – $320M | $226M (+92%) | after a round | 30 | growing | C | 0% |
| 1 Jun 2024 | $124M | $79.5M – $320M | $226M (+81%) | after a round | 30 | growing | C | 0% |
| 1 Jul 2024 | $132M | $79.5M – $320M | $226M (+71%) | after a round | 30 | growing | C | 0% |
| 1 Aug 2024 | $144M | $88.5M – $357M | $251M (+74%) | after a round | 49 | growing | C | 0% |
| 1 Sep 2024 | $155M | $88.5M – $357M | $251M (+62%) | after a round | 49 | growing | C | 0% |
| 1 Oct 2024 | $165M | $88.5M – $357M | $251M (+52%) | after a round | 49 | growing | C | 0% |
| 1 Nov 2024 | $180M | $91.5M – $369M | $260M (+44%) | after a round | 57 | growing | C | 0% |
| 1 Dec 2024 | $193M | $91.5M – $369M | $260M (+35%) | after a round | 57 | growing | C | 0% |
| 1 Jan 2025 | $207M | $91.5M – $369M | $260M (+25%) | after a round | 57 | growing | C | 0% |
| 1 Feb 2025 | $222M | $91.5M – $369M | $260M (+17%) | after a round | 57 | growing | C | 0% |
| 1 Mar 2025 | $237M | $91.5M – $369M | $260M (+10%) | after a round | 57 | growing | C | 0% |
| 1 Apr 2025 | $254M | $91.5M – $369M | $260M (+2%) | after a round | 57 | growing | C | 0% |
| 1 May 2025 | $260M | $91.8M – $369M | $260M (0%) | after a round | 57 | growing | C | 0% |
| 1 Jun 2025 | $260M | $92.2M – $369M | $260M (0%) | after a round | 57 | growing | C | 0% |
| 1 Jul 2025 | $295M | $105M – $418M | $295M (0%) | after a round | 101 | growing | C | 0% |
| 1 Aug 2025 | $300M | $107M – $425M | $300M (0%) | after a round | 109 | growing | C | 0% |
| 1 Sep 2025 | $300M | $108M – $425M | $300M (0%) | after a round | 109 | growing | C | 0% |
| 10 Sep 2025 | $124M | $86.9M – $315M | $222M (+80%) | after a round | 109 | growing | C | 0% |
| 1 Oct 2025 | $128M | $86.9M – $315M | $222M (+74%) | after a round | 121 | growing | C | 0% |
| 1 Nov 2025 | $134M | $87.2M – $316M | $223M (+66%) | after a round | 123 | growing | C | 0% |
| 1 Dec 2025 | $141M | $87.2M – $316M | $223M (+58%) | after a round | 123 | growing | C | 0% |
| 1 Jan 2026 | $148M | $87.2M – $316M | $223M (+50%) | after a round | 123 | growing | C | 0% |
| 1 Feb 2026 | $156M | $87.2M – $316M | $223M (+43%) | after a round | 123 | growing | C | 0% |
| 1 Mar 2026 | $163M | $87.2M – $316M | $223M (+37%) | after a round | 123 | growing | C | 0% |
| 1 Apr 2026 | $172M | $87.2M – $316M | $223M (+30%) | after a round | 123 | growing | C | 0% |
| 1 May 2026 | $186M | $92.0M – $334M | $235M (+26%) | after a round | 157 | growing | C | 0% |
| 1 Jun 2026 | $197M | $92.0M – $334M | $235M (+19%) | after a round | 157 | growing | C | 0% |
| 1 Jul 2026 | $208M | $92.0M – $334M | $235M (+13%) | after a round | 157 | growing | C | 0% |
| 8 Jul 2026 | $2.7B | $2.3B – $3.4B | $3.0B (+10%) | after a round | 163 | growing | A | 0% |
| 1 Aug 2026 | $2.7B | $2.3B – $3.4B | $3.0B (+9%) | after a round | 163 | growing | A | 0% |
| 1 Sep 2026 | $2.7B | $2.3B – $3.4B | $3.0B (+8%) | after a round | 163 | growing | A | 0% |
| 1 Oct 2026 | $2.8B | $2.3B – $3.5B | $3.1B (+10%) | after a round | 191 | growing | A | 0% |
| 24 Oct 2026 | $2.8B | $2.3B – $3.5B | $3.1B (+10%) | after a round | 191 | growing | A | 0% |
Key facts about Proxima Fusion
- Founded
- 2022
- Headquarters
- Munich, Germany
- Employees
- about 191 +58% in a year
- Total raised
- $515M
- Funding rounds
- 4
- Last round
- Growth Equity Jul 2026
Proxima Fusion was founded in 2022 by Francesco Sciortino, Jonathan Schilling, Jorrit Lion, Lucio Milanese and Martin Kubie.
Proxima Fusion funding history
Proxima Fusion has 4 funding rounds on record, from Nov 2023 to Jul 2026, $515M in total. The latest disclosed valuation is $2.70B post-money (Growth Equity, Jul 2026).
Growth Equity 7 Jul 2026
Led by XTX Ventures, East X Ventures; with RWE, GV, KfW Capital, SPRIND, Burda Principal Investments, Plural, UVC Partners, Balderton Capital, Cherry Ventures, DST Global, Brevan Howard Macro Venture, Lightspeed, DeepTech & Climate Fonds, redalpine, Leitmotif, Elaia, CDP Venture Capital, Bayern Kapital, EIC Fund.
Sources: proximafusion.com, esgtoday.com, finance.yahoo.com and 6 more
$468M
$2.70B post-money
Series A 9 Sep 2025
With CDP Venture Capital, European Innovation Council Fund, Brevan Howard Macro Venture Fund.
Sources: proximafusion.com, fusionenergybase.com, deeptech.build and 2 more
$18M
Seed 10 Apr 2024
Led by redalpine; with Bayern Kapital, DeepTech & Climate Fonds, Max Planck Foundation, Plural, UVC Partners, High-Tech Gründerfonds, Wilbe, Visionaries Tomorrow.
Sources: proximafusion.com, techcrunch.com, fusionenergybase.com
$22M
Pre-Seed 20 Nov 2023
Led by Plural, UVC Partners; with High-Tech Gründerfonds, Wilbe.
Sources: munich-startup.de, proximafusion.com, fusionenergybase.com
$8.2M
Proxima Fusion investors
27 investors have backed Proxima Fusion; Plural, UVC Partners and redalpine and 2 more led at least one round.
- XTX Ventures lead
- CDP Venture Capital 2 rounds
- Balderton Capital
- Brevan Howard Macro Venture
- Brevan Howard Macro Venture Fund
- DST Global
- EIC Fund
- European Innovation Council Fund
- GV
- Lightspeed
- Max Planck Foundation
- RWE
What Proxima Fusion does
Proxima Fusion works in research institutes, with 13 recorded offerings and customers in energy.
Proxima Fusion GmbH is a German company engaged in the development of fusion energy technologies, with a focus on stellarator-based magnetic confinement systems. The company conducts research and development in stellarator optimization, computational design, and high-temperature superconducting magnet technology. Proxima Fusion also operates as a research spin-off from the Max Planck Institute for Plasma Physics and collaborates with fusion research institutions and energy companies to advance the commercialization of fusion power plants. Its activities include the design and simulation of fusion power plant concepts, as well as the development of cloud-based optimization and design frameworks for stellarator systems.
Description from Veridion's company data.
Products and services
- Fusion Power Plant Design and Construction
- Stellarator Technology Development
- Quasi-Isodynamic Stellarator Engineering
- High-Temperature Superconducting Magnet Manufacturing
- Magnetic Confinement Fusion Research
- Computational Fusion Design and Simulation
- Cloud-Based Stellarator Optimization Services
- Structural and Thermal Simulation Services
- Neutronics Simulation Services
- Fusion Power Plant Prototyping and Testing
- Stellarator Demonstration Magnet Construction
- Fusion Energy Technology Collaboration
- Grid-Integrated Fusion Energy Solutions
Markets
- Energy
Technology
- Quasi-Isodynamic Stellarator Design
- High-Temperature Superconducting Magnet Technology
- Cloud-Based Stellarator Optimization and Design Framework
- Electromagnetic, Structural, Thermal, and Neutronics Simulation Integration
Business model
- Business-to-Business
- Manufacturing
Industry codes (NAICS)
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 100% match
Questions about Proxima Fusion
What is Proxima Fusion worth?
Valuation $2.8B (range $2.3B to $3.5B), as of 24 Oct 2026. The last disclosed valuation was $2.70B (Growth Equity, Jul 2026).
Has Proxima Fusion raised money?
Proxima Fusion has 4 funding rounds on record, from Nov 2023 to Jul 2026, $515M in total. The latest disclosed valuation is $2.70B post-money (Growth Equity, Jul 2026).
Who has invested in Proxima Fusion?
Plural, UVC Partners, redalpine, East X Ventures, XTX Ventures and Bayern Kapital, and 21 more. Lead investors include Plural, UVC Partners, redalpine and East X Ventures.
How many people work at Proxima Fusion?
About 191, up 58% over the last year. Headcount grew from 17 in Oct 2023 to 191 in Sep 2026.
What does Proxima Fusion do?
Proxima Fusion works in research institutes, with 13 recorded offerings and customers in energy. Its main offerings are fusion power plant design and construction, stellarator technology development and quasi-isodynamic stellarator engineering.
When was Proxima Fusion founded, and where is it based?
Proxima Fusion was founded in 2022 and is based in Munich, Germany. It has about 191 employees, up 58% over the last year.