Nearly a year out from the 2026 midterms, the latest federal fundraising reports show challengers outraising several vulnerable House and Senate members in key races.

Candidates continued to build up their campaign resources between the months of June and September, the filings show. In some cases, high-profile challengers, including former officeholders and political newcomers, made their entrances known with multimillion-dollar hauls.

While House fundraising remained in full swing during the third quarter, mid-decade redistricting efforts across the country have created some uncertainty around who could be the most vulnerable lawmakers on the ballot next year.

Here are some takeaways from the reports filed with the Federal Election Commission for the three months ending Sept. 30:

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