United States · 
Who invested in Ounce Labs?
Ounce Labs's investors include Greylock, Commonwealth Capital Ventures and BlueStream Ventures.
2005200620072008
$10MSeries B$6.0MSeries C$7.5MVentureUnited States · Venture startup
Who invested in Ounce 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.
Funding summaryUpdated 26 Oct 2026
$24Mraised across 3 rounds since 2004, from 3 sources
$10MSeries B$6.0MSeries C$7.5MVenture
- Latest round
- Venture, $7.5MSept 2008
- Biggest round
- $10MSeries B · Dec 2004
- 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, $10M Dec 2004
- Biggest round
- $10M Series B · Dec 2004
- Usual gap between rounds
- 2.3 years the median of 2
The rounds
- Sept 2008
- Jun 2006Series C$6.0M3 returning
Reported by bizjournals.com
- Dec 2004Series B$10M3 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.
The exit
ExitBuyerPriceWhen
From historical deal records. Wrong? Tell us.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Ounce Labs
How much has Ounce Labs raised?
Ounce Labs has raised $24M across 3 rounds since 2004.
When did Ounce Labs last raise?
Ounce Labs's most recent round was a Venture of $7.5M in Sept 2008.
What was Ounce Labs's biggest round?
Ounce Labs's largest round on record is $10M (Series B), in Dec 2004.
Who backed Ounce Labs first?
Ounce Labs's first round on record, in Dec 2004, was backed by Greylock, Commonwealth Capital Ventures and BlueStream Ventures.
What stage is Ounce Labs at?
Ounce Labs's latest named round is a Venture, in Sept 2008.
Where is Ounce Labs based?
Ounce Labs is based in the United States.
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