Germany · 
Who invested in Protonet?
Protonet's investors include Y Combinator and Christopher Isak.
2013201420152016
$265KSeed$1.2MSeed$4.1MCrowdfunding$1.6MVentureGermany · Venture startup
Who invested in Protonet
4 rounds we have observed, with the 2 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Y Combinator: W16
Funding summaryUpdated 26 Oct 2026
$7.2Mraised across 4 rounds since 2012, from 4 sources
$265KSeed$1.2MSeed$4.1MCrowdfunding$1.6MVenture
- Latest round
- Venture, $1.6MJun 2016
- Biggest round
- $4.1MCrowdfunding · Jun 2014
- Investors
- 2
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, $265K Nov 2012
- Biggest round
- $4.1M Crowdfunding · Jun 2014
- Usual gap between rounds
- 11 months the median of 3
The rounds
- Jun 2016
- Jun 2014
- Jul 2013
- Nov 2012Seed$265K
No investor was named in the report.
From a historical funding record
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.
Everyone who backed them
Christopher IsakAngel1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Protonet
How much has Protonet raised?
Protonet has raised $7.2M across 4 rounds since 2012.
When did Protonet last raise?
Protonet's most recent round was a Venture of $1.6M in Jun 2016.
What was Protonet's biggest round?
Protonet's largest round on record is $4.1M (Crowdfunding), in Jun 2014.
Who backed Protonet first?
Protonet's first round on record, in Jun 2014, was backed by Christopher Isak.
What stage is Protonet at?
Protonet's latest named round is a Venture, in Jun 2016.
Where is Protonet based?
Protonet is based in Germany.
Companies like Protonet
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.