OpenX Raises $20M More

Pasadena-based online advertising software firm OpenX has just raised a big, $20M funding round, according to a regulatory filing from the firm late Friday. The funding has not yet been announced by the company. Source of the new funding was not disclosed, however, the firm is venture backed by Accel Partners, DAG Ventures, First Round Capital, Index Ventures, Mangrove Capital Partners, and O'Reilly AlphaTech Ventures. The new round would bring the company's total raised up to around $50M, over four rounds of funding. OpenX is a major provider of advertising serving software, particularly for larger online publishers, and is headed by Tim Cadogan. OpenX is one of a huge agglomeration of Internet advertising firms in Southern California, including such companies as Rubicon Project, FatTail, The Trade Desk, AdECN, Adconian, ValueClick, DataPop, Hydra, Specific Media, Joost, and ReachLocal--just to mention a few. More information »


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