M
Millennial Media
AcquiredBaltimore, Maryland, United States · Founded 2006
501-1000 employees · MM
Sourced & current · updated Jun 23, 2026
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 one of the largest independent mobile ad networks in the U.S. before acquisition, competing directly with Google and Apple in mobile advertising
Ownership
Parent: AOL
Subsidiaries