Who invested in Integral Ad Science?
Integral Ad Science's investors include Atlas Venture, Pelion Venture Partners, SVB Capital, Founder Collective and Sapphire Ventures, and 2 more on record.
United States · Funded startup
6 rounds we have observed, with the 7 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
$117Mraised across 6 rounds since 2009, from 6 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
From a historical funding recordSEC filing: $27M sold, first sale Jul 2015
From a historical funding recordSEC filing: $30M sold, first sale Dec 2013
No investor was named in the report.
From a historical funding record
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Integral Ad Science's investors include Atlas Venture, Pelion Venture Partners, SVB Capital, Founder Collective and Sapphire Ventures, and 2 more on record.
Integral Ad Science has raised $117M across 6 rounds since 2009.
Integral Ad Science's most recent round was a Debt of $40M in Jul 2015.
Its most recent round, $40M in Jul 2015, is also its largest on record.
Integral Ad Science's first round on record, in Jul 2010, was backed by Founder Collective, Atlas Venture and Coriolis Ventures.
Integral Ad Science's latest named round is a Debt, in Jul 2015.
Integral Ad Science is based in the United States.
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