United States · 
Who invested in Source3?
Source3's investors include Correlation Ventures, Crosslink Capital, 645 Ventures, Western Technology Investment and Contour Venture Partners, and 2 more on record.
20162017
$4.0MSeed?VentureUnited States · Venture startup
Who invested in Source3
Funding summaryUpdated 26 Oct 2026
$4.0Mraised across 2 rounds since 2015, from 2 sources
- Latest round
- VentureMar 2017
- Biggest round
- $4.0MSeed · Sept 2015
- Investors
- 7
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $4.0M Sept 2015
- Biggest round
- $4.0M Seed · Sept 2015
- Between rounds
- 18 months from the last two
The rounds
- Mar 2017VentureAmount undisclosed1 new3 returning
Source recorded
- Sept 2015Seed$4.0M6 new
Correlation Ventures
Crosslink Capital
Western Technology Investment- Contour Venture Partners
645 Ventures- Spark Investment Fund.
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.
Everyone who backed them
Contour Venture PartnersVC firm1round
Spark Investment Fund.VC firm1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Source3 as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Source3
How much has Source3 raised?
Source3 has raised $4.0M across 2 rounds since 2015. One round did not disclose an amount, so the total is a floor.
When did Source3 last raise?
Source3's most recent round was a Venture in Mar 2017.
What was Source3's biggest round?
Source3's largest round on record is $4.0M (Seed), in Sept 2015.
Who backed Source3 first?
Source3's first round on record, in Sept 2015, was backed by Correlation Ventures, Crosslink Capital and Western Technology Investment and 3 others.
What stage is Source3 at?
Source3's latest named round is a Venture, in Mar 2017.
Where is Source3 based?
Source3 is based in the United States.
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In the same sector, and raised in the last eighteen months.
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