Magnite, a publicly owned US-based company founded in 2007 (through the merger of Rubicon Project and Telaria), employs approximately 720 people. Its primary business is providing a sell-side advertising platform focused on real-time bidding (RTB) and programmatic advertising solutions. The platform facilitates the monetization of publisher content across various digital media, including connected TV (CTV), online video, display, and audio. In 2021, Magnite acquired SpotX to strengthen its CTV capabilities. In 2024, the company's revenue was less than $1 billion.

2024 Revenue

Founded

2007

Headcount

718

Headquarters

US

Primary Segment

RTB and programmatic

Ownership

Publicly Owned

Deployments

169

News Summary:

Magnite filed a federal antitrust lawsuit against Google on September 16, 2025, seeking financial damages due to Google's alleged illegal monopolization of digital advertising technology markets. The lawsuit alleges Google's anticompetitive conduct harmed Magnite over more than a decade. A US District Court ruled in April that Google “wilfully engaged in a series of anticompetitive acts to acquire and maintain monopoly power” in ad exchange and ad server markets. Magnite, described as the largest independent sell-side platform in the advertising industry, accuses Google of unlawfully monopolising ad exchange and publisher ad server markets. Google denies these allegations. Magnite's lawsuit contends Google systematically rigged digital advertising markets to stifle competition.

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Magnite offers 5 products in the ad tech and media and telecoms services industries. Magnite's product portfolio comprises of tV and streaming ad tech, RTB and programmatic and search, social, and retail media.
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Magnite's revenues were $668.2M in 2024. Caretta Research has split Magnite's revenue into 4 different product categories, the largest of which is supply side platform (SSP), which represents 77% of Magnite's revenue.
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Magnite's customers primarily consist of telecoms services and entertainment Providers companies. Examples of Magnite's customers include Paramount Global, T-Mobile and Charter Communications. Magnite has commercial and technical partners like Omnicom Media Group, Criteo and FreeWheel.

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