Skip to main content
Caplight Logo









XFuel

XFuel

Private
SpainEnergy & Sustainabilityhttps://xfuel.com/

Last Round

Grant

May 27, 2026

Total Funding Raised

$42.52M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

XFuel is a sustainable energy company that produces low-carbon, drop-in fuels for the transportation sector by converting waste materials into high-grade, cost-competitive biofuels.

Sector

Energy & Sustainability

Verticals

Alternative Fuels, Circular Economy, Clean Transportation, Waste Management, Maritime & Shipping

Business Model

B2B

Customer Profile

Services & Consulting, Government Contracts, Data as a Service

AI Layer

Non-AI

Keywords

sustainable aviation fuelSAFdrop-in fuelbiofuelbiorefiningwaste-to-fuelmarine gas oilMGObiocharcleantechcircular economyhard-to-abate sectorsmodular biorefinerygreen dieseldecarbonization

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

XFuel Comparables

Compare XFuel with similar companies based on industry and business-model similarity.

XFuel comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
WasteFuel
82%
LanzaJet
78%
Synhelion
75%

XFuel Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantMay 27, 2026
Series AJan 28, 2026
GrantApr 8, 2025
SeedJul 13, 2022
GrantApr 1, 2019

Key People

Founding team and executive leadership

Thomas Andreas Guenther

CTO Co-Founder At XFuel

Founding Team

Nicholas Ball

CEO & Founder

Founding Team

José Antonio P.

Chief Business Officer - CBO Chief Operating Officer - COO

Executive Team

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jun 22, 2026

    Grew 20% QoQ, from 25 to 30 employees.

  • May 27, 2026

    $4.8M grant from ACCIÓ

XFuel Filings

Explore SEC and related filing metadata, where available.

XFuel filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

Common questions about XFuel's valuation, stock price, and market status.

Is XFuel a public or private company?

XFuel is a private company.

What is the current stock price of XFuel?

XFuel is a private company with no public stock price. No recent secondary market data is available.

How much is XFuel worth (valuation)?

Valuation information for XFuel is not publicly available.

Can I buy XFuel stock?

XFuel shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was XFuel's last funding round?

XFuel's most recent funding round was Series A on January 28, 2026.

Who are the main investors in XFuel?

Key investors in XFuel include AENU, Stolt Ventures.

Will XFuel IPO soon?

No public IPO plans have been announced for XFuel.

How can I track XFuel secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor XFuel's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSpain
Employee Range15
Year Founded2010
Last FundingMay 27, 2026

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?