The Efferon company develops devices with polymer sorbents that help purify the blood during severe conditions of patients with COVID-19
Efferon has raised €4.8M across 2 funding rounds from 2 investors, most recently a Seed round in May 2026. Based in Villach, Austria; active in Healthtech. Data as of 7 Aug 2026.
Timing: too soon vs cohort gap · momentum flat. Funding-only estimates, not predictions and not investment advice — see signals.
| Date | Stage |
|---|
| Amount |
|---|
| Investors |
|---|
| 2026-05-21 | Seed | €2.5M | Private Investors | View deal → |
| 2021-07-15 | Other | €2.3M | Fix Ventures | View deal → |
