Top 15 advertisers in December 2021

These numbers may appear higher than our show counts in previous months. We have expanded our analysis to include podcasts in the Magellan AI platform that have submitted data and therefore helped to expand our measurement beyond the top 3,000 podcasts.
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Magellan AI analyzes podcast advertising data from the top 3,000 podcasts in the U.S., as ranked by Apple Podcasts. For parts of this analysis, we relied on Magellan AI’s proprietary model to estimate advertising spend. Our model incorporates a number of factors, including:

• Number of ads and variation in ad load detected for a given episode
• Number of downloads for each episode
• CPM, as reported on select media kits and estimated based on popularity

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Magellan AI creates tools that help marketers at brands like SimpliSafe and ThredUP spend intelligently on podcast advertising. Podcast publishers like WNYC and Audioboom use Magellan to track advertisers spending money in the podcast space.