Company Facts


Key Metrics

  • OpenX serves trillions of ad impressions annually
  • OpenX Ad Server  used by thousands of publishers globally
  • OpenX Ad Exchange used by 96% of leading national advertisers and 65% of comScore top 100 publishers
  • OpenX operates five data centers in the U.S., Europe and Asia


Funding & Key Investors

  • More than $75 million (Series A, B, C, D and E)
  • Accel Partners, Index Ventures, SAP Ventures and Samsung Venture Investment Corporation



  • June 2014 – OpenX transforms concept of SSP with industry-first Demand Fusion technology
  • February 2014 – OpenX launches largest mobile-first native ad exchange
  • November 2013 – Deloitte ranks OpenX number 5 overall on its Technology Fast 500 list
  • September 2013 – Veteran technology and media industry executive John Gentry appointed to the newly created role of OpenX president
  • September 2013 – OpenX expands into Germany and DACH region with the opening of an office in Munich
  • February 2013 – OpenX closes $25 million Series E funding round led by new investor Samsung Venture Investment Corporation, joined by Dentsu’s digital subsidiary, cyber communications inc.
  • October 2012 – OpenX acquires pioneering content valuation company JumpTime
  • September 2012 – OpenX officially expands into Japan with the opening of Tokyo office
  • July 2012 – OpenX opens of fifth data center; OpenX Ad Exchange supports more than 1 million bids per second
  • April 2012 – Samsung Electronics and OpenX announce Samsung AdHub Market for Mobile
  • February 2012 – OpenX acquires Supply-Side Platform LiftDNA
  • February 2012 – OpenX announces Q4 2011 profitability and $100M annualized run rate
  • July 2011 – OpenX announces major EMEA expansion
  • May 2011 – OpenX closes $20 million Series D funding led by SAP Ventures
  • February 2011 – Breakthrough version of OpenX Enterprise launches
  • August 2010 – OpenX and Dentsu Inc. digital subsidiary, cyber communications inc. announces OpenX Market Japan, a new online advertising exchange model designed to lead the evolution of Real-Time Bidding exchanges in Japan
  • November 2009 – Microsoft and OpenX enter into ad technology partnership
  • May 2009 – OpenX closes $10 million Series C funding round led by DAG Ventures
  • April 2009 – OpenX Ad Exchange launches, establishing the company as a pioneer in Real-Time Bidding exchange technology
  • April 2008 – Former Yahoo! SVP of Global Ad Marketplaces Tim Cadogan appointed to position of OpenX CEO
  • February 2008 – Digital media veteran and former Aol Chairman & CEO Jonathan Miller appointed to OpenX board Chairman
  • February 2008 – OpenAds closes $15.5 million Series B led by Accel Partners
  • June 2007 – OpenX forerunner OpenAds closes $5 million Series A led by Index Ventures
  • 1998 – New open source ad serving project launches and gains massive, global adoption
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