Germany · Who invested in fos4X?
fos4X's investors include High-Tech Gruenderfonds, Bayern Kapital, UnternehmerTUM, HTGF High-Tech Gründerfonds and UVC Partners.
2012201320142015201620172018
?Seed?Series B$2.5MSeries B$9.5MSeries B
Germany · Series B startup
Who invested in fos4X
Funding summaryUpdated 26 Oct 2026
$12Mraised across 4 rounds since 2012, from 4 sources
$2.5MSeries B$9.5MSeries B
- Latest round
- Series B, $9.5MJun 2018
- Step-upi
- 3.8×
- Investors
- 5
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed May 2012
- Biggest round
- $9.5M Series B · Jun 2018
- Usual gap between rounds
- 19 months the median of 3
The rounds
- Jun 2018
- Mar 2015Series B$2.5M3 returning
From a historical funding record
- Aug 2013Series BAmount undisclosed3 new1 returning
Reported by finsmes.com
- May 2012
Founders and team
From fos4X's own website: 5 on the team.
- René BalleCEO
- Claus Schou NielsenCOO
- Henrik Lykke SøbergCFO
- Poul BramsenSenior Director, Global Service & Support
- Rasmus Konge JohansenTechnology Director
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Seed2012Series B2013Series B2015Series B2018High-Tech Gruenderfonds
Bayern Kapital
UnternehmerTUM
HTGF High-Tech Gründerfonds
UVC Partners
Bayern KapitalUnternehmerTUMHTGF High-Tech GründerfondsUVC PartnersEveryone who backed them
High-Tech GruenderfondsVC firm3rounds
Missing a round, or an investor who was in one? Tell us.
Quick answers about fos4X
How much has fos4X raised?
fos4X has raised $12M across 4 rounds since 2012. 2 rounds did not disclose an amount, so the total is a floor.
When did fos4X last raise?
fos4X's most recent round was a Series B of $9.5M in Jun 2018.
What was fos4X's biggest round?
Its most recent round, $9.5M in Jun 2018, is also its largest on record.
Who backed fos4X first?
fos4X's first round on record, in May 2012, was backed by High-Tech Gruenderfonds.
What stage is fos4X at?
fos4X's latest named round is a Series B, in Jun 2018.
Where is fos4X based?
fos4X is based in Germany.
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