FenX is developing a breakthrough mineral foam technology to replace conventional mineral wools and EPS (expanded polystyrene) panels in building insulation.
FenX has raised €8.8M across 1 funding round from 7 investors, most recently a Series A round in Oct 2025. Based in Aargau, Switzerland; active in Cleantech. Data as of 7 Aug 2026.
Timing: in window vs cohort gap · momentum unknown. Funding-only estimates, not predictions and not investment advice — see signals.
| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2025-10-01 | Series A | €8.8M |
| 4see Ventures,buildify.earth,Cimsa,Move Energy,Supernova Invest,Swiss and French family offices+1 more |
| View deal → |
