Startup · Germany
Proxima Fusion
HQ Munich, GermanyFounded 202351-200 employees
Proxima is building the first generation of stellarator fusion power plants – and the industrial platform required to deliver them.
Funding7 rounds · ~$664M
- Equity raised
- ~$664M
- Debt, secondaries & grants
- ~$2.7M
- Latest
- $468MSeries B · Jul 7, 2026
- Last valuation
- $2.70B?Basis not stated · Series B · Jul 7, 2026
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Jul 7, 2026 | Series B | $468M | $2.70B? | East X Ventures, XTX Ventures | Balderton, Bayern Kapital, Brevan Howard Macro Venture Fund, CDP Venture Capital, Cherry Ventures, DST Global, Elaia, Google, KfW Capital, Leitmotif, Lightspeed Venture Partners, Plural, Redalpine, RWE, UVC Partners | Confirmed |
| Sep 9, 2025 | Series A | ~$17.6M | — | — | Brevan Howard Macro Venture Fund, CDP Venture Capital, European Innovation Council Fund | Confirmed |
| Jun 11, 2025 | Series A | ~$150M | — | Balderton, Cherry Ventures | Bayern Kapital, Elaia, High-Tech Gründerfonds, Leitmotif, Lightspeed Venture Partners, Omnes Capital, Plural, Redalpine, UVC Partners, Wilbe Group | Reported |
| Jul 15, 2024 | Grant | ~$2.7M | — | — | — | Confirmed |
| Apr 10, 2024 | Seed | ~$21.5M | — | Redalpine | Bayern Kapital, High-Tech Gründerfonds, Plural, UVC Partners, Wilbe Group | Reported |
| Nov 16, 2023 | Pre-Seed | Undisclosed | — | — | — | Reported |
| May 30, 2023 | Pre-Seed | ~$7.6M | — | Plural, UVC Partners | High-Tech Gründerfonds, Wilbe Group | Confirmed |
- Series BLed by East X Ventures, XTX VenturesWith Balderton, Bayern Kapital, Brevan Howard Macro Venture Fund, CDP Venture Capital, Cherry Ventures, DST Global, Elaia, Google, KfW Capital, Leitmotif, Lightspeed Venture Partners, Plural, Redalpine, RWE, UVC PartnersValuation $2.70B?Confirmed$468MJul 7, 2026
- Series AConfirmed~$17.6MSep 9, 2025
- Series ALed by Balderton, Cherry Ventures~$150MJun 11, 2025
- GrantConfirmed~$2.7MJul 15, 2024
- ~$21.5MApr 10, 2024
- Pre-SeedUndisclosedNov 16, 2023
- ~$7.6MMay 30, 2023
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Systems3
SMC
A high-temperature superconducting stellarator magnet demonstrator under construction.
Newest unveiled first. Open a system for its milestone timeline, components and sources.
Capabilities1
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Magnetic-confinement fusion | Developer | Development | — | — | Reported |
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
People1
- Francesco Sciortino
Co-Founder and CEO
Sources12
Show all 12 sources and supporting evidence
Profile2
- 1
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "Germany", "hq_iso2": "DE", "id": "589f78e7-da90-4dfb-b210-90ba41d140df"}”
- 2
LinkedIn · Supports Organization · employee range, Organization · founded year, Organization · hq city
“employee_range: 51-200 (profile: 51-200 employees)”
Systems2
- 3
Proxima Fusion · Supports Organization · description, Organization · linkedin url, Organization · name, Organization · website, Organization technology, System
“Proxima is building the first generation of stellarator fusion power plants – and the industrial platform required to deliver them.”
- 4CompanyProxima Fusion | Technology
Proxima Fusion · Supports System
“The Stellarator Model Coil (SMC) is Proxima’s demonstration HTS stellarator magnet, bringing together computational design, HTS technology, structural engineering, manufacturing, metrology and testing. SMC hardware is already being delivered and will retire key technical risks for stellarators.”
Funding8
- 5
CNBC · Jul 7, 2026 · Supports Funding round · amount, Organization · ownership
“in a 411 million euros ($468 million) round”
- 6
Proxima Fusion · Jul 7, 2026 · Supports Funding round, Funding round · amount, Funding round · investors, Funding round · post money valuation usd, Role
“Proxima Fusion today announced a €411 million ($468 million) financing round, bringing the company’s valuation to €2.4 billion ($2.7 billion) and establishing Proxima as the best-funded fusion company in Europe.”
- 7CompanyProxima Fusion Extends Series A to €200M Total Funding As It Accelerates Into Hardware Execution
Proxima Fusion · Sep 9, 2025 · Supports Funding round · amount
“The €15 million Series A extension brings the company’s total funding to €200 million”
- 8
FinSMEs · Jun 11, 2025 · Supports Funding round · amount
“raised €130M in Series A funding”
- 9
Proxima Fusion · Jul 15, 2024 · Supports Funding round · amount
“Proxima will be awarded a €2.5M grant and an opportunity for €15M investment”
- 10
FinSMEs · Apr 10, 2024 · Supports Funding round · amount
“raised €20M in Seed funding”
- 11
FinSMEs · Nov 16, 2023 · Supports Funding round · amount
“raised an extension of its Pre-Seed funding now totalling €7.5m”
- 12
Proxima Fusion · May 30, 2023 · Supports Funding round · amount
“completed its pre-seed fundraising of €7m”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.