United States · Who invested in Zilker Labs?
Zilker Labs's investors include North Bridge Venture Partners & Growth Equity, Sevin Rosen Funds and H.I.G. Capital.
20062007
$9.0MSeries B$8.0MSeries C$10MSeries D
United States · Series D startup
Who invested in Zilker Labs
3 rounds we have observed, with the 3 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 31 Oct 2026
$27Mraised across 3 rounds since 2005, from 3 sources
$9.0MSeries B$8.0MSeries C$10MSeries D
- Latest round
- Series D, $10MOct 2007
- Step-upi
- 1.3×
- Investors
- 3
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 B, $9.0M Apr 2005
- Biggest round
- $10M Series D · Oct 2007
- Usual gap between rounds
- 17 months the median of 2
The rounds
- Oct 2007Series D$10M3 returning
Reported by encyclopedia.com
- May 2006Series C$8.0M1 new2 returning
Reported by dealbook.blogs.nytimes.com
- Apr 2005Series B$9.0M2 new
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.
Series B2005Series C2006Series D2007
North Bridge Venture Partners & Growth Equity
Sevin Rosen Funds
H.I.G. Capital
North Bridge Venture Partners & Growth EquitySevin Rosen FundsH.I.G. CapitalEveryone who backed them
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Quick answers about Zilker Labs
How much has Zilker Labs raised?
Zilker Labs has raised $27M across 3 rounds since 2005.
When did Zilker Labs last raise?
Zilker Labs's most recent round was a Series D of $10M in Oct 2007.
What was Zilker Labs's biggest round?
Its most recent round, $10M in Oct 2007, is also its largest on record.
Who backed Zilker Labs first?
Zilker Labs's first round on record, in Apr 2005, was backed by North Bridge Venture Partners & Growth Equity and Sevin Rosen Funds.
What stage is Zilker Labs at?
Zilker Labs's latest named round is a Series D, in Oct 2007.
Where is Zilker Labs based?
Zilker Labs is based in the United States.
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