2007
$25M
from 23 investors over 23 rounds
OpenX raised undisclosed on November 1, 2014
Investors: Wavemaker Partners
OpenX raised $25M on January 17, 2013
Investors: Sapphire, Index Ventures and yet2Ventures
OpenX raised $20M on May 31, 2011
Investors: Vast Ventures, Presidio Ventures, DAG Ventures, AOL Ventures and Index Ventures
OpenX raised $10M on May 26, 2009
Investors: Index Ventures, DAG Ventures, First Round Capital and Mangrove Capital Partners
OpenX raised $11M on December 31, 2007
Investors: O'Reilly AlphaTech Ventures, Mangrove Capital Partners, First Round Capital and Index Ventures
OpenX raised $5M on June 13, 2007
Investors: O'Reilly AlphaTech Ventures, Index Ventures, First Round Capital, Mangrove Capital Partners, LocalGlobe and Vast Ventures