# XFuel funding: rounds and investors > XFuel has raised $41M across 4 rounds since 2025. Investors include EIC Accelerator, SOSV and Union Square Ventures. Every round with its source. Source: https://millionrounds.com/company/xfuel (Millionrounds; every figure on the page links to its filing or article) Spain · [Funded startup](https://millionrounds.com/companies) # Who invested in *XFuel* 4 rounds we have observed, with the 6 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 Climate Tech Energy Logistics Raised 6 months ago Funding summary Updated 26 Oct 2026 **$41M** raised across 4 rounds since 2025, from 4 sources **$7.9M** Grant **$8.4M** Grant **$20M** Series A **$4.8M** Grant - **Latest round:** Grant, $4.8M May 2026 - **Biggest round:** $20M Series A · Jan 2026 - **Investors:** 6 (1 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 **$7.9M** Grant **$8.4M** Grant **$20M** Series A **$4.8M** Grant - **First round:** Grant, $7.9M - **Biggest round:** $20M - **Usual gap between rounds:** 4 months ## The rounds - **May 2026** Grant **$4.8M** *4 returning* [SOSV](https://millionrounds.com/fund/sosv) [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) [Future Planet Capital](https://millionrounds.com/fund/future-planet-capital) [AENU](https://millionrounds.com/fund/aenu) Source recorded - **Jan 2026** Series A **$20M** *4 new* [SOSV](https://millionrounds.com/fund/sosv) [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) [Future Planet Capital](https://millionrounds.com/fund/future-planet-capital) [AENU](https://millionrounds.com/fund/aenu) Source recorded - **Apr 2025** Grant **$8.4M** *1 returning* [EIC Accelerator](https://millionrounds.com/fund/eic-accelerator) Lead Reported by Audacy - **Feb 2025** Grant **$7.9M** *2 new* [EIC Accelerator](https://millionrounds.com/fund/eic-accelerator) Lead [EIC Fund](https://millionrounds.com/fund/eic-fund) Reported by Audacy ## 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. **Grant** 2025 **Grant** 2025 **Series A** 2026 **Grant** 2026 [EIC Accelerator](https://millionrounds.com/fund/eic-accelerator) L L [SOSV](https://millionrounds.com/fund/sosv) [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) [Future Planet Capital](https://millionrounds.com/fund/future-planet-capital) [AENU](https://millionrounds.com/fund/aenu) [EIC Fund](https://millionrounds.com/fund/eic-fund) ## Everyone who backed them [EIC Accelerator](https://millionrounds.com/fund/eic-accelerator) Government **2** rounds, led 2 [SOSV](https://millionrounds.com/fund/sosv) VC firm **2** rounds [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) VC firm **2** rounds [Future Planet Capital](https://millionrounds.com/fund/future-planet-capital) VC firm **2** rounds [AENU](https://millionrounds.com/fund/aenu) VC firm **2** rounds [EIC Fund](https://millionrounds.com/fund/eic-fund) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=xfuel). ## Also claim to have backed them This firm lists XFuel as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [Yes VC](https://millionrounds.com/fund/yes-vc) VC firm Per its own site ## Quick answers about XFuel ### Who invested in XFuel? XFuel's investors include EIC Accelerator, SOSV, Union Square Ventures, Future Planet Capital and AENU, and 1 more on record. ### How much has XFuel raised? XFuel has raised $41M across 4 rounds since 2025. ### When did XFuel last raise? XFuel's most recent round was a Grant of $4.8M in May 2026. ### What was XFuel's biggest round? XFuel's largest round on record is $20M (Series A), in Jan 2026. ### Who backed XFuel first? XFuel's first round on record, in Feb 2025, was backed by EIC Accelerator and EIC Fund. ### What stage is XFuel at? XFuel's latest named round is a Grant, in May 2026. ### Where is XFuel based? XFuel is based in Spain. ### Who led XFuel's rounds? EIC Accelerator led the Grant in 2025. ## Companies like XFuel In the same sector, and raised in the last eighteen months. [**Remolonas** $35K · Oct 2026](https://millionrounds.com/company/remolonas)[**HVR Energy** $23M · Sept 2026](https://millionrounds.com/company/hvr-energy)[**H2SITE** $3.9M · Sept 2026](https://millionrounds.com/company/h2site)[**Nomade Nation** $2.1M · Aug 2026](https://millionrounds.com/company/nomade-nation)[**HelmX Co.** $150K · Aug 2026](https://millionrounds.com/company/helmx-co)[**Multiverse Computing** $785M · Jul 2026](https://millionrounds.com/company/multiverse-computing) ## 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