FWIW: October 17, 2025

FWIW, U.S. political advertisers spent about $11.4 million on Facebook and Instagram ads last week. Here were the top ten spenders nationwide:

While the conversation around Prop 50 continues to draw big investments, a new addition to this list is New York State Attorney General Letitia James, who was recently indicted after Trump publicly instructed the DOJ to go after his political enemies (she famously filed the case against the Trump Organization that found them liable for fraud in 2022). James has vowed to fight back and last week saw the best single day of fundraising in her entire political career.

Meanwhile, political advertisers spent just under $8 million on Google and YouTube ads last week. These were the top ten spenders nationwide:

We’re less than 3 weeks out from Election Day and it’s not surprising to see the DGA and RGA’s significant investments in New Jersey, as well as both Virginia gubernatorial candidates on this list.

While Republicans are investing in Meta ad spend against Prop 50, Google and YouTube seem to be less of a priority for them. On the other hand, Gov. Gavin Newsom invested over $2M in pro-Prop 50 messaging on the two platforms in the last week alone.

On X (formerly Twitter), political advertisers in the U.S. have spent around $8.8 million on ads in 2025. According to X’s political ad disclosure, here are the top spenders year to date:

Not a single left-leaning account cracked the top ten list this week… so do with that what you will.

And lastly, on Snapchat, political advertisers in the U.S. have spent around $1.8 million on ads in 2025. Here are the top spenders year to date: