Sean Casten
U.S. Representative · IL-6 · Democrat
From public records: votes from Voteview, bills from congress.gov, money from FEC filings · votes updated Nov 2, 2026 · How we measure
Money and votes
2025–26 cycle · through Sep 25, 2026Method81 PACs of the 162 that gave
Of the 162 PACs that gave to Casten and have a lobbying organization behind them, 81 belong to organizations that lobbied on bills he faced a vote on, cosponsored or sponsored.
50% · House median: 58%
220 bills
Those PACs’ organizations lobbied on 220 bills. Casten voted Yea on 34, Nay on 81, did not vote on 1, and sponsored or cosponsored 104 with no recorded vote.
$344K of $808K
Those 81 PACs gave Casten $344K, 43% of all the PAC money he received.
House median: 41%
PAC money only. Individuals and transfers bring the campaign’s total to $2.5M.
A filing shows that an organization lobbied on a bill, not which side it took. The PAC gives the money; the organization behind it does the lobbying.
Top three bills by gifts from PACs whose organizations lobbied
Top 3 of 245 bills by gifts from PACs whose organizations lobbied, 25 broad must-pass bills among them
Who funds Casten 204 PACs
- American Federation of State, County and Municipal Employees, AFL-CIOLabor union PAC · funds 206 other members99% to Democrats
- American Institute of Certified Public AccountantsMembership group PAC · funds 306 other members63% to Republicans
- Bmo Financial Corp Good Governance Fund:Corporate PAC · funds 61 other members57% to Democrats
All 245 bills with each PAC’s gift and filing, the amounts and lobbying spend of the top PACs, money by cycle Pro
Free account See ProCampaign totals from Casten’s own reports
FEC H8IL06139Gifts from the PACs’ FEC reports through Sep 25, 2026; lobbying from LDA filings through Q3 2026; votes from Voteview. Broad must-pass bills sort below narrow ones and do not set the money-bar scale.
Broad must-pass bills are left out of the figures above; 43 more PACs belong to organizations that lobbied only on those.
41 of Casten’s PACs have no federal lobbying on record or no organization Oathstar could match.
Filings lag, so recent gifts can take weeks to appear. Casten’s leadership PAC (Science Truth and Expertise Matter PAC) is reported separately.
