For the win: SLF PAC. This SuperPAC supports Republican candidates in competitive states, leads at $349.0 million, up from $301.3 million a week earlier. Its largest opposition targets are Sherrod Brown in the Ohio Senate race ($92.7 million), Joshua Turek in the Iowa Senate race ($48.2 million), and Abdul El-Sayed in the Michigan Senate race ($46.2 million). SLF PAC spent $47.7 million that week, roughly even with $48.1 million the week before.
For place: A new contender. HMP which focuses on electing House Democrats, broke into the top three of the 2026 outside-spending leaderboard, rising from fourth to second with $281.8 million through November 1. This was up from $191.5 million through October 25. The move came one day before polls opened in Ohio's Senate race, which has drawn $182.7 million from the three ranked PACs — more than any other race they have targeted. HMP, ts opposition spending targets House races, led by Scott M. Singer in Florida's 25th Congressional District ($16.8 million), Thomas M. Barrett in Michigan's 7th ($13.5 million), and Casey Askar in Florida's 22nd ($12.2 million). HMP spent $90.3 million in the week of October 26, up from $65.0 million the week before, a rise of more than 25 percent.
WINSENATE is third at $278.0 million, up from $221.2 million a week earlier. It spent $9.1 million supporting Brown and $77.8 million opposing Jon Husted in the Ohio Senate race, and $12.5 million supporting El-Sayed in the Michigan Senate race. WINSENATE spent $56.8 million in the current week, up from $50.5 million the week before.
The Ohio Senate race, a toss-up between certified nominees Sherrod Brown and Jon Husted, has a total of $182.7 million, $87.5 million more than the $95.2 million total for the Iowa Senate race, which ranks second in that indicative set.
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