United States · 
Who invested in Apieron?
Apieron's investors include Canaan, DFJ, ONSET Ventures and Alliance Venture.
2003200420052006200720082009
$4.6MSeries A$16MSeries B$17MSeries C$5.9MSeries DUnited States · Series D startup
Who invested in Apieron
4 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
$44Mraised across 4 rounds since 2003, from 4 sources
$4.6MSeries A$16MSeries B$17MSeries C$5.9MSeries D
- Latest round
- Series D, $5.9MJun 2009
- Biggest round
- $17MSeries C · Jun 2007
- 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
- Series A, $4.6M Jan 2003
- Biggest round
- $17M Series C · Jun 2007
- Usual gap between rounds
- 2 years the median of 3
The rounds
- Jun 2009Series D$5.9M4 returning
Reported by onbiovc.comSEC filing: $5.9M sold, first sale Mar 2009
- Jun 2007
- Jan 2005
- Jan 2003
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
Missing a round, or an investor who was in one? Tell us.
Quick answers about Apieron
How much has Apieron raised?
Apieron has raised $44M across 4 rounds since 2003.
When did Apieron last raise?
Apieron's most recent round was a Series D of $5.9M in Jun 2009.
What was Apieron's biggest round?
Apieron's largest round on record is $17M (Series C), in Jun 2007.
Who backed Apieron first?
Apieron's first round on record, in Jan 2003, was backed by ONSET Ventures and Alliance Venture.
What stage is Apieron at?
Apieron's latest named round is a Series D, in Jun 2009.
Where is Apieron based?
Apieron 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.