Magnite, Pubmatic, Comcast’s FreeWheel, TripleLift, Index Exchange among top ad platforms based on CTV open programmatic ad market share in March 2023.

Pixalate, the global market-leading fraud protection, privacy, and compliance analytics platform for Connected TV (CTV) and Mobile Advertising, today released the Q1 2023 Supply-Side Platform (SSP) Global Market Share Rankings for both Connected TV (CTV) and mobile in-app. The rankings feature the top SSPs by open programmatic advertising market share for apps across the Roku and Amazon Fire TV app stores in  March 2023.

Pixalate rankings include each seller’s estimated market share across the world, including breakdowns by region (North America, EMEA, APAC, LATAM) for CTV platforms. Programmatic advertising buyers may benefit from working with sellers with high market share who can deliver efficiency and increase the likelihood of finding their target audience. In addition to this market share report, Pixalate’s Seller Trust Index ranks CTV sellers based on quality factors, including invalid traffic and ad density scores.

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Top CTV SSPs by Market Share

Here are the leading CTV advertising supply-side platforms (SSPs) on Roku and Amazon Fire TV devices based on estimated market share in March 2023, according to Pixalate:

Roku, North America, March 2023

In the North American market, the top remained stable, but with multiple new entrants (Pubmatic, OpenX, Zippor Ltd, TripleLift) breaking into the top 10.

1. Magnite – 40%
2. FreeWheel – 16%
3. Unruly – 8%

Amazon Fire TV, North America, March 2023

The ratings for Amazon Fire TV, North America remained primarily stable, with Pulsepoint, Xumo, and Pubmatic making the biggest climb on the rankings list.

1. Magnite – 44%
2. FreeWheel – 12%
3. Xandr Monetize – 8%

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