According to Pixalate’s research, Magnite ranks No. 1 for CTV SSP market share the U.S. (32%) and Canada (33%) on Roku; On mobile apps, Verve leads in the U.S. (35%) and Canada (28%) in Apple App Store apps, while Google AdExchange (24%) is No. 1 in Google Play Store Apps in Canada
London, May 20, 2025 (GLOBE NEWSWIRE) — Pixalate, a leading global platform for ad fraud protection, privacy, and compliance analytics, today released the Q1 2025 North America Supply-Side Platform (SSP) Market Share Reports for the United States (U.S.) and Canada. The reports reveal SSP market share across Connected TV (CTV), mobile apps, and the web.
The report rankings incorporate sellers within the SupplyChain Object (SCO), meaning all sellers involved in the sale of an impression receive market share credit (i.e., in the case of reselling).
In addition to the U.S. and Canada reports, Pixalate also released SSP market share rankings for the United Kingdom, France, Spain, Ukraine, Netherlands, Germany, Mexico, Brazil, China, Japan, Australia, Singapore, and India.
Web SSP Market Share Leaders in North America
| Rank | United States | Canada |
| 1 | Index Exchange (11%) | Google AdExchange (17%) |
| 2 | Google Ad Exchange (9%) | Cafemedia/Raptive (14%) |
| 3 | Pubmatic (7%) | Actirise (6%) |
Mobile App SSP Market Share Leaders in North America
Google Play Store
| Rank | United States | Canada |
| 1 | Verve (22%) | Google Ad Exchange (24%) |
| 2 | Pubmatic (7%) | Algorix (8%) |
| 3 | Magnite (6%) | Verve (8%) |
Apple App Store
| Rank | United States | Canada |
| 1 | Verve (35%) | Verve (28%) |
| 2 | IronSource (6%) | Liftoff (14%) |
| 3 | Inmobi (6%) | Google Ad Exchange (13%) |
CTV SSP Market Share Leaders in North America
Roku
| Rank | United States | Canada |
| 1 | Magnite (32%) | Magnite (33%) |
| 2 | FreeWheel (18%) | FreeWheel (11%) |
| 3 | LG Ads (9%) | Xandr Monetize (7%) |
Amazon Fire TV
| Rank | United States | Canada |
| 1 | Magnite (17%) | Nexxen (36%) |
| 2 | FreeWheel (15%) | Magnite (10%) |
| 3 | Pubmatic (10%) | Wurl (9%) |
Apple TV
| Rank | United States | Canada |
| 1 | Sovrn (17%) | Google Ad Exchange (38%) |
| 2 | FreeWheel (13%) | Nexxen (11%) |
| 3 | Pubmatic (10%) | Xandr Monetize (5%) |
Samsung Smart TV
| Rank | United States | Canada |
| 1 | FreeWheel (17%) | Conversant, Inc. (24%) |
| 2 | PubMatic (12%) | Magnite (16%) |
| 3 | Magnite (12%) | Verve (11%) |
To compile the research in this series, Pixalate’s data science team analyzed over 2.4 billion CTV impressions across 5,000+ Roku, Amazon Fire TV, Samsung Smart TV, and Apple TV Store apps, over 17.7 billion mobile impressions across over 300,000+ apps from the Apple App Store and Google Play Store (including apps deemed delisted by Pixalate), and over 4.6 billion impressions on desktop and mobile web traffic in March 2025 to reveal the regional ranking of SSPs for open programmatic ads sold.
Download the SSP Market Share Reports
- United Kingdom
- France
- Spain
- Ukraine
- Netherlands
- Germany
- United States
- Canada
- Mexico
- Brazil
- China
- Japan
- Australia
- Singapore
- India
About Pixalate
Pixalate is a global platform specializing in privacy compliance, ad fraud prevention, and digital ad supply chain data intelligence. Founded in 2012, Pixalate is trusted by regulators, data researchers, advertisers, publishers, ad tech platforms, and financial analysts across the Connected TV (CTV), mobile app, and website ecosystems. Pixalate is accredited by the MRC for the detection and filtration of Sophisticated Invalid Traffic (SIVT). pixalate.com
Disclaimer
The content of this press release and the Q1 2025 Supply-Side Platform (SSP) Market Share Reports, reflect Pixalate’s opinions with respect to the factors that Pixalate believes can be useful to the digital media industry. Any data shared is grounded in Pixalate’s proprietary technology and analytics, which Pixalate is continuously evaluating and updating. Any references to outside sources should not be construed as endorsements. Pixalate’s opinions are just that, opinions, which means that they are neither facts nor guarantees. Pixalate is sharing this data not to impugn the standing or reputation of any entity, person or app, but, instead, to report findings and trends pertaining to the time period studied.
CONTACT: Nina Talcott ntalcott@pixalate.com
