Tremor Video
RebrandedNew York, NY, United States · Founded 2005
201-500 employees · TRMR
Sourced & current · updated Jul 15, 2026Website
Tremor Video was a New York video advertising technology company (founded 2005, NYSE IPO 2013) that sold its demand-side business in 2015, rebranded to Telaria in 2017, and merged with Rubicon Project to form Magnite in 2020. (The "Tremor Video" brand name was separately acquired by Taptica — later Tremor International, then Nexxen — a distinct company.)
Where they sit
Stack tier: Infrastructure & Data (B)
Connected TV PlatformVideo Advertising PlatformProgrammatic Platform
Pioneer in programmatic video advertising; rebranded to Telaria (2017) and subsequently merged into Magnite (2020), one of the largest independent SSPs globally.