United States · Funded startup
Funding summaryUpdated 26 Oct 2026
$73Mraised across 7 rounds since 2006, from 7 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
New Enterprise Associates
QED Investors
IVP
RevolutionReported by techcrunch.com
Reported by paidcontent.org
Reported by venturebeat.com
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
New Enterprise AssociatesQED InvestorsRevolutionSteve CaseTed Leonsis
ZG Ventures
SV AngelIVP
Cota CapitalMissing a round, or an investor who was in one? Tell us.
AddThis's investors include Novak Biddle Venture Partners, New Enterprise Associates, QED Investors, Revolution and Steve Case, and 11 more on record.
AddThis has raised $73M across 7 rounds since 2006. One round did not disclose an amount, so the total is a floor.
AddThis's most recent round was a Secondary in Sept 2014.
AddThis's largest round on record is $20M (Series D), in May 2011.
AddThis's first round on record, in May 2006, was backed by Novak Biddle Venture Partners and ZG Ventures.
AddThis's latest named round is a Secondary, in Sept 2014.
AddThis is based in the United States.
In the same sector, and raised in the last eighteen months.
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United States · 
