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Efferon

As of 10 Nov 2026, Efferon has raised $4.8M across 1 verified round on record (amounts in other currencies converted to USD), plus 1 expected raise not yet closed; latest: €4.3M seed round, announced 10 Nov 2026.

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Provider of hemoadsorption devices designed to remove endotoxins and excessive inflammatory mediators from the bloodstream

efferon.comLinkedInVillach, AustriaBiotech

LATEST ROUND

Seed

$4.8M · 2026-11-10

RAISED ON RECORD · USD

$4.8M

across 1 verified round · plus 1 expected raise not yet closed

ROUNDS ON RECORD

1 published

SOURCES

from 3 publishers

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Company

Every round on record, with the sources behind each and the investors on them.

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Seed

$4.8M · 2026-11-10

lead not stated

Series A

$20M · 2026-06-03

[ HISTORY ]Expected

lead not stated

Round	Amount	Announced	Lead	Buzz
Seed	$4.8M €6.8M financing total €4.3M	2026-11-10	not stated	2 outlets. #58 in Trending
2 sources · checked 1 time, last 4h ago [ VERIFIED ] read against 2 sources FinSMEs’ headline says $4.3M, but its article text and Tech.eu report €4.3M; the article text and more specific reporting support €4.3M.; not on the page it cites, so not applied: date

Efferon

Company

Rounds

Sources

Profile

Investors

Efferon

Rounds

Profile

Sources

Seed$4.8M2026-11-102 sources

Series A$20M2026-06-031 source

Investors

Series A [ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it.Expected	$20M	2026-06-03	not stated	No recent discussion
1 source Expected according to axios.com; not announced. [ DEVELOPING ] Developing: it holds up against its sources so far, and firms up as more reporting lands. read against 1 source [ BUILT WITH ]·[ SEARCH ]found by Firecrawl search·[ SCRAPE ]1 page read: axios.com·[ JSON ]round read into a schema, with the sentence that states it·[ VERIFY ]confirmedchecked against 1 source·[ BRANDING ]logo and colour from the homepage