United States · 
Who invested in Z2?
Z2's investors include Madrona Venture Group and Draper Fisher Jurvetson (DFJ).
200920102011
$1.0MSeries A$3.0MSeries B$2.5MSeries B
United States · Series B startup
Who invested in Z2
3 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.
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Funding summaryUpdated 15 Nov 2026
$6.5Mraised across 3 rounds since 2008, from 3 sources
$1.0MSeries A$3.0MSeries B$2.5MSeries B
- Latest round
- Series B, $2.5MMar 2011
- Biggest round
- $3.0MSeries B · Aug 2009
- 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
- Series A, $1.0M Oct 2008
- Biggest round
- $3.0M Series B · Aug 2009
- Usual gap between rounds
- 20 months the median of 2
The rounds
- Mar 2011Series B$2.5M1 new1 returning
From a historical funding record
- Aug 2009
- Oct 2008
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
Draper Fisher Jurvetson (DFJ)Investment firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Z2
How much has Z2 raised?
Z2 has raised $6.5M across 3 rounds since 2008.
When did Z2 last raise?
Z2's most recent round was a Series B of $2.5M in Mar 2011.
What was Z2's biggest round?
Z2's largest round on record is $3.0M (Series B), in Aug 2009.
Who backed Z2 first?
Z2's first round on record, in Oct 2008, was backed by Madrona Venture Group.
What stage is Z2 at?
Z2's latest named round is a Series B, in Mar 2011.
Where is Z2 based?
Z2 is based in the United States.
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