Germany · Who invested in siOPTICA?
siOPTICA's investors include B Capital, High-Tech Gruenderfonds, HTGF High-Tech Gründerfonds and Constantia New Business.
2014201520162017201820192020
?Round?Venture$2.4MVentureGermany · Venture startup
Who invested in siOPTICA
3 rounds we have observed, with the 4 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.
Funding summaryUpdated 26 Oct 2026
$2.4Mraised across 3 rounds since 2013, from 3 sources
- Latest round
- Venture, $2.4MDec 2020
- Investors
- 4
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Round Aug 2013
- Biggest round
- $2.4M Venture · Dec 2020
- Usual gap between rounds
- 5.3 years the median of 2
The rounds
- Dec 2020
- Sept 2015
- Aug 2013RoundAmount undisclosed2 new
Reported by finsmes.com
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.
Round2013Venture2015Venture2020
B CapitalHigh-Tech Gruenderfonds
HTGF High-Tech Gründerfonds
Constantia New Business
B CapitalHigh-Tech GruenderfondsHTGF High-Tech GründerfondsConstantia New BusinessEveryone who backed them
High-Tech GruenderfondsVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about siOPTICA
How much has siOPTICA raised?
siOPTICA has raised $2.4M across 3 rounds since 2013. 2 rounds did not disclose an amount, so the total is a floor.
When did siOPTICA last raise?
siOPTICA's most recent round was a Venture of $2.4M in Dec 2020.
What was siOPTICA's biggest round?
Its most recent round, $2.4M in Dec 2020, is also its largest on record.
Who backed siOPTICA first?
siOPTICA's first round on record, in Aug 2013, was backed by High-Tech Gruenderfonds and HTGF High-Tech Gründerfonds.
What stage is siOPTICA at?
siOPTICA's latest named round is a Venture, in Dec 2020.
Where is siOPTICA based?
siOPTICA is based in Germany.
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In the same sector, and raised in the last eighteen months.
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