# Proxima Fusion funding: rounds and investors > Proxima Fusion has raised $636M across 3 rounds since 2025. Investors include Cherry Ventures, Lightspeed Venture Partners and Balderton Capital. Source: https://millionrounds.com/company/proxima-fusion (Millionrounds; every figure on the page links to its filing or article) Germany · [Series B startup](https://millionrounds.com/companies) # Who invested in *Proxima Fusion* 3 rounds we have observed, with the 22 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Cleantech Deeptech Energy Raised 4 months ago Follow Proxima Fusion and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fproxima-fusion) Funding summary Updated 5 Nov 2026 **$636M** raised across 3 rounds since 2025, from 8 sources **$150M** Series A **$18M** Series A **$468M** Series B - **Latest round:** Series B, $468M Jul 2026 - **Led by:** XTX Ventures and East X Ventures - **Step-up i:** 26.6× - **Investors:** 22 (4 led) See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2026 **$150M** Series A **$18M** Series A **$468M** Series B - **First round:** Series A, $150M - **Biggest round:** $468M - **Usual gap between rounds:** 10 months ## The rounds - **Jul 2026** Series B **$468M** *7 new* *6 returning* [XTX Ventures](https://millionrounds.com/fund/xtx-ventures) Lead [East X Ventures](https://millionrounds.com/fund/east-x-ventures) Lead [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [Balderton Capital](https://millionrounds.com/fund/balderton-capital) [CDP Venture Capital](https://millionrounds.com/fund/cdp-venture-capital) [Cherry Ventures](https://millionrounds.com/fund/cherry-ventures) [Google](https://millionrounds.com/fund/google-assistant-investments) [UVC Partners](https://millionrounds.com/fund/uvc-partners) [Plural](https://millionrounds.com/fund/plural) [Burda Principal Investments](https://millionrounds.com/fund/burda-principal-investments) [KfW Capital](https://millionrounds.com/fund/kfw-capital) [RWE](https://millionrounds.com/fund/rwe) [SPRIND](https://millionrounds.com/fund/sprind) Reported by TechStartups and 1 other - **Sept 2025** Series A **$18M** *2 new* *2 returning* [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [CDP Venture Capital](https://millionrounds.com/fund/cdp-venture-capital) [Cherry Ventures](https://millionrounds.com/fund/cherry-ventures) [Elaia](https://millionrounds.com/fund/elaia) Source recorded - **Jun 2025** Series A **$150M** *13 new* [Balderton Capital](https://millionrounds.com/fund/balderton-capital) Lead [Cherry Ventures](https://millionrounds.com/fund/cherry-ventures) Lead [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [Bayern Kapital](https://millionrounds.com/fund/bayern-kapital) [Omnes](https://millionrounds.com/fund/omnes-capital) [HTGF High-Tech Gründerfonds](https://millionrounds.com/fund/high-tech-grunderfonds-htgf) [Club degli Investitori](https://millionrounds.com/fund/club-degli-investitori) [UVC Partners](https://millionrounds.com/fund/uvc-partners) [Plural](https://millionrounds.com/fund/plural) [DTCF DeepTech & Climate Fonds](https://millionrounds.com/fund/deeptech-and-climate-fonds-dtcf) [Leitmotif](https://millionrounds.com/fund/leitmotif) [Visionaries Tomorrow](https://millionrounds.com/fund/visionaries-tomorrow) [Wilbe](https://millionrounds.com/fund/wilbe) Reported by DTCF DeepTech & Climate Fonds and 4 others ## Founders and team From Proxima Fusion's own website: 5 founders, 4 on the team. **Francesco Sciortino** Co-Founder and CEO **Jorrit Lion** Co-Founder and Chief Scientist **Lucio Milanese** Co-Founder and Chief External Affairs Officer **Martin Kubie** Co-Founder and Chief Engineer **Jonathan Schilling** Co-Founder and Head of Assembly - **Sergei Galperin** Chief Financial Officer - **Lennart Bock** Head of Operations - **Maria Dantz** Head of Communications - **Marija Kose** Head of People ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Series A** 2025 **Series A** 2025 **Series B** 2026 [Cherry Ventures](https://millionrounds.com/fund/cherry-ventures) L [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [Balderton Capital](https://millionrounds.com/fund/balderton-capital) L [CDP Venture Capital](https://millionrounds.com/fund/cdp-venture-capital) [UVC Partners](https://millionrounds.com/fund/uvc-partners) [Plural](https://millionrounds.com/fund/plural) [XTX Ventures](https://millionrounds.com/fund/xtx-ventures) L [East X Ventures](https://millionrounds.com/fund/east-x-ventures) L [Bayern Kapital](https://millionrounds.com/fund/bayern-kapital) [Elaia](https://millionrounds.com/fund/elaia) ## Everyone who backed them [Cherry Ventures](https://millionrounds.com/fund/cherry-ventures) VC firm **3** rounds, led 1 [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) VC firm **3** rounds [Balderton Capital](https://millionrounds.com/fund/balderton-capital) VC firm **2** rounds, led 1 [CDP Venture Capital](https://millionrounds.com/fund/cdp-venture-capital) VC firm **2** rounds [UVC Partners](https://millionrounds.com/fund/uvc-partners) VC firm **2** rounds [Plural](https://millionrounds.com/fund/plural) VC firm **2** rounds [XTX Ventures](https://millionrounds.com/fund/xtx-ventures) VC firm **1** round, led 1 [East X Ventures](https://millionrounds.com/fund/east-x-ventures) VC firm **1** round, led 1 [Bayern Kapital](https://millionrounds.com/fund/bayern-kapital) Government **1** round [Elaia](https://millionrounds.com/fund/elaia) VC firm **1** round [Google](https://millionrounds.com/fund/google-assistant-investments) Accelerator **1** round [Omnes](https://millionrounds.com/fund/omnes-capital) VC firm **1** round [HTGF High-Tech Gründerfonds](https://millionrounds.com/fund/high-tech-grunderfonds-htgf) VC firm **1** round [Club degli Investitori](https://millionrounds.com/fund/club-degli-investitori) Angel network **1** round [Burda Principal Investments](https://millionrounds.com/fund/burda-principal-investments) Corporate VC **1** round [DTCF DeepTech & Climate Fonds](https://millionrounds.com/fund/deeptech-and-climate-fonds-dtcf) VC firm **1** round [Leitmotif](https://millionrounds.com/fund/leitmotif) VC firm **1** round [KfW Capital](https://millionrounds.com/fund/kfw-capital) Fund of funds **1** round [RWE](https://millionrounds.com/fund/rwe) VC firm **1** round [SPRIND](https://millionrounds.com/fund/sprind) Growth equity **1** round [Visionaries Tomorrow](https://millionrounds.com/fund/visionaries-tomorrow) VC firm **1** round [Wilbe](https://millionrounds.com/fund/wilbe) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=proxima-fusion). ## Also claim to have backed them These 5 firms list Proxima Fusion as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Ian Hogarth](https://millionrounds.com/fund/ian-hogarth) Angel Per its own site [Adeline](https://millionrounds.com/fund/adeline) Family office Per its own site [Adeline Arts and Science](https://millionrounds.com/fund/adeline-arts-and-science) Family office Per its own site [AQAL Capital](https://millionrounds.com/fund/aqal-capital) Family office Per its own site [Burlington PR](https://millionrounds.com/fund/burlington-pr) VC firm Per its own site ## Quick answers about Proxima Fusion ### Who invested in Proxima Fusion? Proxima Fusion's investors include Cherry Ventures, Lightspeed Venture Partners, Balderton Capital, CDP Venture Capital and UVC Partners, and 17 more on record. XTX Ventures led its latest round. ### How much has Proxima Fusion raised? Proxima Fusion has raised $636M across 3 rounds since 2025. ### When did Proxima Fusion last raise? Proxima Fusion's most recent round was a Series B of $468M in Jul 2026, led by XTX Ventures. ### What was Proxima Fusion's biggest round? Its most recent round, $468M in Jul 2026, is also its largest on record. ### Who backed Proxima Fusion first? Proxima Fusion's first round on record, in Jun 2025, was backed by Balderton Capital, Cherry Ventures and Lightspeed Venture Partners and 10 others. ### What stage is Proxima Fusion at? Proxima Fusion's latest named round is a Series B, in Jul 2026. ### Where is Proxima Fusion based? Proxima Fusion is based in Germany. ### Who led Proxima Fusion's rounds? Balderton Capital led the Series A in 2025; XTX Ventures led the Series B in 2026. ## Companies like Proxima Fusion In the same sector, and raised in the last eighteen months. [**Rabot Energy** $50M · Oct 2026](https://millionrounds.com/company/rabot-energy)[**1KOMMA5°** $563M · Oct 2026](https://millionrounds.com/company/1komma5)[**Reverion** $237M · Sept 2026](https://millionrounds.com/company/reverion)[**Nomos** $25M · Sept 2026](https://millionrounds.com/company/nomos)[**QuantumDiamonds** $201M · Jul 2026](https://millionrounds.com/company/quantumdiamonds)[**Anzana Electric Group** $40M · Jun 2026](https://millionrounds.com/company/anzana-electric-group) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app