Campaign finance data from FEC filings.
Detailed fundraising analytics available in Legis1
2026 Cycle
4,483 contributions· LAUREN UNDERWOOD FOR CONGRESSIndividuals 67%PACs 15%
2024 Cycle
11,998 contributions· LAUREN UNDERWOOD FOR CONGRESSIndividuals 85%PACs 15%
2022 Cycle
20,766 contributions· LAUREN UNDERWOOD FOR CONGRESSIndividuals 85%PACs 15%
2020 Cycle
20,170 contributions· LAUREN UNDERWOOD FOR CONGRESSIndividuals 84%PACs 16%
2018 Cycle
11 contributions· LAUREN UNDERWOOD FOR CONGRESSTop PAC Donors
AMERICAN ASSOCIATION OF NURSE ANESTHETISTS SEPARATE SEGREGATED FUND (CRNA-PAC)
3 contributions
$15K
AMERICAN ASSOCIATION OF NURSE PRACTITIONERS POLITICAL ACTION COMMITTEE
2 contributions
$10K
AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION
2 contributions
$10K
AMERICAN NURSES ASSOCIATION PAC
2 contributions
$10K
CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS
2 contributions
$10K
LOCAL 881 UNITED FOOD AND COMMERCIAL WORKERS POLITICAL ACTION FUND
2 contributions
$10K
MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS
2 contributions
$10K
UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW
2 contributions
$10K
AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E
3 contributions
$8K
NATIONAL AIR TRAFFIC CONTROLLERS ASSOCIATION PAC
2 contributions
$8K
Top Donor Employers
NORTHWESTERN UNIVERSITY
9 contributions
$26K
Q PRIME, INC.
4 contributions
$17K
DUPAGE MEDICAL GROUP
4 contributions
$16K
ANALYSIS GROUP
3 contributions
$14K
CLIFFORD LAW OFFICES
3 contributions
$14K
COPLAN + CRANE
3 contributions
$14K
EGERIA ENTERPRISES
3 contributions
$14K
FREE + FAIR LITIGATION GROUP
3 contributions
$14K
LIFE YIELD
3 contributions
$14K
Source: FEC itemized contribution filings
Candidate-provided Public data (FEC) AllCiv / Legis1 coverage