Arkansas U.S. Senate S-AR-2026 · Class 2 · Regular cycle

Open in research → Editorial as of Apr 22 · FEC through Mar 31
General 2026-11-03
R Primary 2026-03-03 (held)
Runoff 2026-03-31 (held)
Filing Deadline 2025-11-11 (held)
Cook Political Report
Solid R
As of date pending
Sabato's Crystal Ball
Safe R
As of date pending
Polymarket
R 93¢
D 7¢
Refreshed today
R+15
Cook PVI
Incumbent
Tom Cotton
Republican · Running
▸ Watch

Cotton renominated unopposed March 3, 2026. Shoffner won Democratic primary March 3, 2026. R+15 PVI.

Top contenders

Tom Cotton
Republican
● Incumbent

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

FEC Receipts — Cycle Total
$5,406,040
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S4AR00103/
Hallie Shoffner
Democrat
● Candidate

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

FEC Receipts — Cycle Total
$1,589,764
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6AR00199/
Jeff Wadlin
Libertarian
● Candidate

Libertarian candidate for the Arkansas U.S. Senate seat.

FEC Receipts — Cycle Total
Not yet filed with FEC
Source: FEC bulk data · through 2026-03-31 (Q1 2026)

Republicans

Tom Cotton
Republican
● Incumbent

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

FEC Receipts — Cycle Total
$5,406,040
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S4AR00103/

Democrats

Hallie Shoffner
Democrat
● Candidate

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

FEC Receipts — Cycle Total
$1,589,764
Through Mar 31, 2026
Source: FEC bulk data · api.open.fec.gov/v1/candidate/S6AR00199/

Other parties

Jeff Wadlin
Libertarian
● Candidate

Libertarian candidate for the Arkansas U.S. Senate seat.

FEC Receipts — Cycle Total
Not yet filed with FEC
Source: FEC bulk data · through 2026-03-31 (Q1 2026)

6 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.