AdImpact is the canonical source that many journalists use to track political ad spending, where ads are running, the ability to see the actual ads and so forth. A few times I’ve considering subscribing for TPM during the peak of the big election cycles. (These are very high-dollar price points.) So I’m on their mailing list for the data overviews that are basically teasers for subscribing. I got one of those today and something immediately jumped out at me. The top political advertiser by spend this cycle is the Department of Homeland Security.

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Your Taxpayer Dollars at Work—on Trump Campaign Ads
July 3, 2025 12:24 p.m.

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