United States · 
Who invested in Sinexus?
Sinexus's investors include Kleiner Perkins Caufield & Byers, U.S. Venture Partners and PTV Science.
United States · Series B startup
Who invested in Sinexus
One round we have observed, with the 3 investors named in it. 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
$20Mraised across 1 round since 2008, from 1 source
- Latest round
- Series B, $20MJun 2008
- Investors
- 3
The rounds
- Jun 2008Series B$20M
From a historical funding record
Everyone who backed them
PTV ScienceInvestment firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Sinexus
How much has Sinexus raised?
Sinexus has raised $20M across 1 round since 2008.
When did Sinexus last raise?
Sinexus's most recent round was a Series B of $20M in Jun 2008.
What was Sinexus's biggest round?
Its most recent round, $20M in Jun 2008, is also its largest on record.
Who backed Sinexus first?
Sinexus's first round on record, in Jun 2008, was backed by Kleiner Perkins Caufield & Byers, U.S. Venture Partners and PTV Science.
What stage is Sinexus at?
Sinexus's latest named round is a Series B, in Jun 2008.
Where is Sinexus based?
Sinexus is based in the United States.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.