Louisiana U.S. Senate S-LA-2026 · Class 2 · Regular cycle

Open in research → Editorial as of Apr 22 · FEC through Mar 31
General 2026-11-03
R Primary 2026-05-16 (held)
Runoff 2026-06-27
Filing Deadline 2026-02-13 (held)
Cook Political Report
Solid R
As of date pending
Sabato's Crystal Ball
Safe R
As of date pending
Polymarket
R 91¢
D 8¢
Refreshed today
R+11
Cook PVI
Incumbent
Bill Cassidy
Republican · Running
▸ Watch

Louisiana now uses closed partisan primaries (jungle primary eliminated). Trump endorsed Letlow. Cassidy faces a competitive Republican primary. R+11 PVI.

Top contenders

John Fleming
Republican
● Candidate

Republican candidate for the Louisiana U.S. Senate seat.

FEC Receipts — Cycle Total
$11,250,354
Through Apr 26, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6LA00318/
Bill Cassidy
Republican
● Incumbent

Republican candidate for the Louisiana U.S. Senate seat.

FEC Receipts — Cycle Total
$6,727,956
Through Apr 26, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S4LA00107/
12-wk spend
Jamie Davis
Democrat
● Candidate

Democrat candidate for the Louisiana U.S. Senate seat.

FEC Receipts — Cycle Total
$562,283
Through Apr 26, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6LA00615/

Republicans

Bill Cassidy
Republican
● Incumbent

Republican candidate for the Louisiana U.S. Senate seat.

FEC Receipts — Cycle Total
$6,727,956
Through Apr 26, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S4LA00107/
12-wk spend
John Fleming
Republican
● Candidate

Republican candidate for the Louisiana U.S. Senate seat.

FEC Receipts — Cycle Total
$11,250,354
Through Apr 26, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6LA00318/
Julia Letlow
Republican
● Candidate

Republican candidate for the Louisiana U.S. Senate seat.

FEC Receipts — Cycle Total
$4,398,631
Through Apr 26, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6LA00664/
12-wk spend
Mark Spencer
Republican
● Candidate

Republican candidate for the Louisiana U.S. Senate seat.

FEC Receipts — Cycle Total
$5,421
Through Apr 26, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6LA00698/
Blake Miguez
Republican
● Filed with FEC

Federally registered candidate for the Louisiana U.S. Senate seat. No editorial profile available.

FEC Receipts — Cycle Total
$6,176,130
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6LA00540/
12-wk spend
Kathy W Seiden
Republican
● Filed with FEC

Federally registered candidate for the Louisiana U.S. Senate seat. No editorial profile available.

FEC Receipts — Cycle Total
$1,202,191
Through May 12, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6LA00573/

Democrats

Jamie Davis
Democrat
● Candidate

Democrat candidate for the Louisiana U.S. Senate seat.

FEC Receipts — Cycle Total
$562,283
Through Apr 26, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6LA00615/
Gary Crockett
Democrat
● Candidate

Democrat candidate for the Louisiana U.S. Senate seat.

FEC Receipts — Cycle Total
$350,000
Through Apr 26, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6LA00680/
12-wk spend
Nick Albares
Democrat
● Candidate

Democrat candidate for the Louisiana U.S. Senate seat.

FEC Receipts — Cycle Total
$85,047
Through Apr 26, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6LA00706/
12-wk spend

12 additional FEC filers 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.