Top contenders
Roger Marshall
Republican
● Incumbent
Republican candidate for the Kansas U.S. Senate seat.
FEC Receipts — Cycle Total
$3,331,963
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S0KS00315/
Sandy Spidel Neumann
Democrat
● Candidate
Democrat candidate for the Kansas U.S. Senate seat.
FEC Receipts — Cycle Total
$187,436
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6KS00262/
● Candidate
Democrat candidate for the Kansas U.S. Senate seat.
FEC Receipts — Cycle Total
$179,818
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6KS00270/
Republicans
Roger Marshall
Republican
● Incumbent
Republican candidate for the Kansas U.S. Senate seat.
FEC Receipts — Cycle Total
$3,331,963
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S0KS00315/
Democrats
Sandy Spidel Neumann
Democrat
● Candidate
Democrat candidate for the Kansas U.S. Senate seat.
FEC Receipts — Cycle Total
$187,436
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6KS00262/
● Candidate
Democrat candidate for the Kansas U.S. Senate seat.
FEC Receipts — Cycle Total
$179,818
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6KS00270/
● Candidate
Democrat candidate for the Kansas U.S. Senate seat.
FEC Receipts — Cycle Total
$177,174
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6KS00288/
● Candidate
Democrat candidate for the Kansas U.S. Senate seat.
FEC Receipts — Cycle Total
$137,068
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6KS00247/
● Candidate
Democrat candidate for the Kansas U.S. Senate seat.
FEC Receipts — Cycle Total
$72,435
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6KS00296/
● Candidate
Democrat candidate for the Kansas U.S. Senate seat.
FEC Receipts — Cycle Total
$19,898
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6KS00239/
● Candidate
Democrat candidate for the Kansas U.S. Senate seat.
FEC Receipts — Cycle Total
$10,741
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6KS00304/
● Candidate
Democrat candidate for the Kansas U.S. Senate seat.
FEC Receipts — Cycle Total
Not yet filed with FEC
Source: FEC bulk data · through 2026-03-31 (Q1 2026)
Michael Soetaert
Democrat
● Candidate
Democrat candidate for the Kansas U.S. Senate seat.
FEC Receipts — Cycle Total
Not yet filed with FEC
Source: FEC bulk data · through 2026-03-31 (Q1 2026)
1 additional FEC filer excluded as long-tail (no editorial listing, not the seat incumbent, and under $1M raised). They remain in the database and can be surfaced via the FEC API directly.