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Millennial Media

Acquired

Baltimore, Maryland, United States · Founded 2006

501-1000 employees · MM

Sourced & current · updated May 11, 20260 of 5 facts verified

Millennial Media was a pioneering independent mobile advertising platform that became one of the largest mobile ad networks before being acquired by AOL in 2015.

Where they sit

Stack tier: Infrastructure & Data (B)

Mobile Ad PlatformAd Network

Was the largest independent mobile advertising platform in the US before its acquisition by AOL in 2015

Ownership

Parent: AOL

Subsidiaries

Competitors

Pre-call brief from ATDb — sourced from the live database, current as of May 11, 2026. Not a static screenshot.