OpenX is a private company building in adtech, founded in 2009. The stock is not listed on any public market.
OpenX has no published valuation.
Accel PartnersLEAD
Index VenturesDDAG VenturesSSAP Ventures
Accel PartnersOpenX operates a supply-side advertising platform that lets publishers auction digital ad inventory across connected TV, mobile apps, mobile web and desktop. Founded in 2008 in Pasadena, California, the company grew out of an open-source ad server project that began in 1998 before OpenX commercialized it under CEO Tim Cadogan.
OpenX's OpenAudience identity graph covered more than 237 million U.S. users and 150 million connected TV devices by 2025, and the company has offices in Pasadena, New York, Tokyo, London and Kraków.
Listed funds carry late-stage private names. A fund's latest schedule of investments shows whether it holds OpenX.
Often trade at a premium or discount to NAV.
Platforms match existing holders with buyers. OpenX availability at any moment is set by the holders.
High minimums, transfer approval, company right-of-first-refusal.
Valuations, rounds and IPO status for every company in the directory — OpenX included.
No. OpenX is a private company; its shares do not trade on a public exchange.
The closest adtech peers are on the competitors page.
The routes section explains what is realistically available for a company at this stage.