SpotX
RebrandedBroomfield, Colorado, United States · Founded 2007
501-1000 employees · NASDAQ:MGNI
Sourced & current · updated Jun 29, 2026Website
SpotX was a leading video advertising platform and SSP that was acquired by Magnite in 2021 for $1.17B and has since been folded into Magnite's streaming business, with the SpotX brand retired.
Where they sit
Stack tier: Ecosystem Services (A)
Connected TV PlatformSupply Side Platform (SSP)Video Advertising Platform
Was one of the largest independent video-focused SSPs globally before being absorbed into Magnite, the largest independent sell-side advertising platform
Ownership
Parent: Magnite