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, Sapphire Ventures (formerly SAP Ventures), Samsung Venture Investment Corp., Mangrove Investments, and DAG Ventures.



  • December 2014 – OpenX exceeded $100 million net revenue for the 2014 fiscal year
  • 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 Sapphire 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



OpenX ranked #1 for six consecutive months in overall traffic quality on the Pixalate Global Seller Trust Index, making the OpenX Exchange one of the highest quality supply sources for high-quality inventory in the world. Our dedicated marketplace quality team of more than 25 people, leads the industry in ensuring superior quality and a relevant user experience.



OpenX Community is the first unrestricted publisher resource that provides 24/7 access, across desktop and mobile, designed to empower publishers. We possess the largest in-depth knowledge base of publisher needs and trends worldwide due to our more than 1200 premium publisher relationships managed by dedicated account managers.



Our success is proof that we deliver premium solutions for our customers at scale. In 2015, OpenX reported $140 million in net revenue representing a 40% organic growth year-over-year and positive net income.
The OpenX Exchange processes more than 200+ Billion requests each month, and is populated with high quality ads from 100% of the Ad Age top 100 advertisers.



OpenX pioneered the first programmatic RTB exchange, deployed header bidding 18 months before the competition, and was the first to invest heavily in traffic quality initiatives to prevent bad actors from entering our exchange. By remaining focused on creating powerful and effective publisher solutions, OpenX has created a highly efficient exchange that provides optimal value for each side of every single transaction.


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