Magnite
Los Angeles, California, United States · Founded 2020
1001-5000 employees · MGNI
Sourced & current · updated Oct 14, 2026Website
Magnite is an American online advertising technology company based in Los Angeles, California, formed through a merger of Rubicon Project and Telaria in 2020.
Where they sit
Stack tier: Core Platforms (S)
Connected TV PlatformSupply Side Platform (SSP)Programmatic Platform
Largest independent sell-side platform globally, with particular leadership in CTV/streaming video advertising
Ownership
Subsidiaries