StumbleUpon Stock

Content Discovery Engine

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About StumbleUpon Stock

StumbleUpon is an online discovery engine that recommends web content to users based on their interests and tastes. Founded in 2001, the company was acquired by eBay in 2007 but subsequently bought back by investors in 2009. StumbleUpon boasts more than 25 million registered users and 100,000 advertisers. The company expects 33% revenue growth in 2013, with 20% of sales coming from mobile devices.


Funding History

December 2005$1.5M
April 2009$29.0M
March 2011$17.0M



Mark Bartels


Garrett Camp


Geoff Smith


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