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FenX AG

FenX AG

Private
TurgiEnergy & Sustainabilityhttps://www.fenx.ch/

Last Round

Series A

Oct 1, 2025

Total Funding Raised

$13.42M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

FenX AG is a cleantech company that develops and manufactures sustainable, fire-resistant mineral foam insulation panels for the construction industry using recycled mineral waste.

Sector

Energy & Sustainability

Verticals

Advanced Materials, Green Building, Construction Tech, Circular Economy

Business Model

B2B

Customer Profile

Services & Consulting, Data as a Service

AI Layer

Non-AI

Keywords

mineral foaminsulation technologygreen building materialscircular constructionfoaming additivessustainable insulationfire-resistant insulationcleantechexpanded polystyreneEPSconstruction techcontechbuilding material licensingasset-light manufacturingmineral waste recycling

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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FenX AG Comparables

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

FenX AG comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
BIOHM
68%
Fiberwood
64%
Saint-Gobain
59%

FenX AG Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AOct 1, 2025
SeedMay 11, 2021
GrantDec 31, 2019

Key People

Founding team and executive leadership

Etienne Jeoffroy

Co-Founder & CEO

Founding Team

FenX AG Investors

Notable investors and investment history

FenX AG investors
InvestorRounds
buildify.earthSeries A
4see venturesSeries A
Swiss Climate FoundationSeed
Supernova InvestSeries A
ValueBridge GmbHSeed
Move EnergySeries A
ETH Zurich FoundationSeries A, Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 31, 2026

    Open roles increased to 8, 2.2x the trailing average.

  • Aug 17, 2026

    Open roles increased to 5, 2.1x the trailing average.

FenX AG Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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FenX AG Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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

Firmographic Details

HeadquartersTurgi
Employee Range29
Year Founded2019
Last FundingOct 1, 2025

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