CASSIDY, WILLIAM M.

RepublicanFEC reportedRepublican candidate · U.S. Senate · Louisiana · Statewide · Election 2026 · IncumbentS4LA00107

Overview

Raised: $13.3Mvs $4.1M 2023–2024
Spent: $14.3Mvs $681.2K 2023–2024
Cash on hand: $685.2Kvs $6.6M 2023–2024
Debts owed: $0vs $0 2023–2024

OpenFEC processed candidate totals through Sep 30, 2026, across every authorized committee; figures change when amended reports are filed.

Raised is total receipts and Spent is total disbursements as reported for the candidate's authorized committees together; both can include transfers, loans and refunds. Cash on hand and debts are the balances at the end of the last report. The comparison is the same figure for 2023–2024.

Race forecast

Rating: Likely R
Predicted margin: R+4.4

VotePredictor forecasts this race between Jamie Davis (D) and Julia Letlow (R) as of November 14, 2026, giving the Republican a 93% chance. Bill Cassidy is not one of the two candidates it forecasts. Based on 3 polls of the race, blended with its fundamentals.

The Republican’s chance of winning

Data

Date	Chance of winning
Aug 19, 2026	68%
Sep 19, 2026	68%
Sep 25, 2026	99%
Oct 31, 2026	98%
Nov 3, 2026	92%
Nov 5, 2026	93%
Nov 6, 2026	92%
Nov 7, 2026	92%
Nov 8, 2026	92%
Nov 9, 2026	93%
Nov 10, 2026	92%
Nov 11, 2026	93%
Nov 12, 2026	92%
Nov 14, 2026	93%

As VotePredictor published it each day since August 19, 2026.

Forecast by VotePredictor , updated daily. Its probabilities stay between 1% and 99%; no race is called before it is decided.

Compliance review indicators

5 open

Automated review indicators, not findings of a violation. Exact reported records are linked; identity is not independently verified. Reported lobbyist-bundling disclosures are not counted as issues.

Latest cycle-wide scan: Nov 5, 2026 · Index refreshed: Nov 5, 2026. Coverage is limited to loaded records and implemented checks.

Scan coverage and freshness

Receipt eligibility: last successful scan Nov 5, 2026 · latest scheduled check skipped (Nov 5, 2026).
Integrity: last successful scan Nov 5, 2026 · latest scheduled check succeeded (Nov 5, 2026).
Fundraising patterns: last successful scan Nov 5, 2026 · latest scheduled check skipped (Nov 5, 2026).

1 receipt eligibility · 3 integrity · 1 fundraising patterns

Operating expenditures concentrated at one payee →Associated amount: $3,408,250
SRCP MEDIA INC. received 78.4% of positive itemized operating spending in BILL CASSIDY FOR US SENATE's report. This is a concentration pattern for review.
Evidence date: Mar 31, 2026
Operating expenditures concentrated at one payee →Associated amount: $543,526
SRCP MEDIA INC. received 57.5% of positive itemized operating spending in BILL CASSIDY FOR US SENATE's report. This is a concentration pattern for review.
Evidence date: May 12, 2026
Fundraising pattern for review →Cluster total: $26,500
Multiple reported donors associated with the same normalized employer gave to this recipient on one date. Repeated amounts and concentration within the loaded cycle warrant a review of possible fundraising activity. The pattern does not establish a bundler, coordination or wrongdoing.
Evidence date: Mar 13, 2025
LLC or partnership eligibility →Associated amount: $2,500
Reported contributor appears to be an LLC or partnership. Verify permissible tax status, written eligibility notice, member or partner attribution, and contribution limits.
Evidence date: May 23, 2025

Across the cycle, some findings could not be linked safely to entities; ambiguous identities are withheld.

View all 5 open indicators →

Candidate & race

Office & constituency: U.S. Senate · Louisiana · Statewide
Reported party: Republican
Election year: 2026
Race status: Incumbent
Candidate status: Current candidate
Principal campaign committee: BILL CASSIDY FOR US SENATE (C00543983)

The principal campaign committee is the reported connection to this candidate. Transaction details below cover that committee; candidate-wide totals can also cover other authorized committees.

Money in

Who's funding Bill Cassidy? Read the article →

Sources

Itemized individual contributions$4.9M
Unitemized individual contributions$266.4K
Other committees$3.3M
Party committees$62K
Transfers from affiliates$4.2M
Other receipts$559.2K

Top contributors

CASSIDY LEADERSHIP FUND93% Republican-aligned activity · 7% unclassifiedInferred from activity$2.3M17 contributions
ONE TEAM SENATE MAJORITY99% Republican-aligned activity · 1% unclassifiedInferred from activity$43.4K14 contributions

Money out

Spending by kind

Operating expenditures$10.2M
Contribution refunds$3M
Other disbursements$19.1K

Largest transfers and contributions to committees

AMERICAN ISRAEL PUBLIC AFFAIRS COMMITTEE POLITICAL ACTION COMMITTEEMixed activity · 46% Democratic / 54% RepublicanInferred from activity$33.7K

All distributions →

Largest operating payments

SRCP MEDIA INC.$524.9KMEDIA PLACEMENT · Apr 15, 2026
SRCP MEDIA INC.$460.3KMEDIA PLACEMENT · Apr 22, 2026
SRCP MEDIA INC.$439.9KMEDIA PLACEMENT · Apr 8, 2026
SRCP MEDIA INC.$434.3KMEDIA PLACEMENT · Mar 31, 2026
SRCP MEDIA INC.$401.6KMEDIA PLACEMENT · Mar 24, 2026

Over time

Itemized receipts and reported spending by month

Explore by day, month or cycle, and compare cycles by party

Follow the activity

Financial timeline

2025–2026 election cycle · dated records

Explore the timing, volume, and size of reported activity.

Money network · top contributors and recipients as a graph

Records

Registration

Office sought: U.S. Senate
State / district: Louisiana · Statewide
Party affiliation: Republican
Race status: Incumbent
Candidate status: Current candidate
Election year: 2026
Registration snapshot cycle: 2025–2026
Cycles loaded: 2026, 2024
Registered address: PO BOX 80505 · BATON ROUGE, Louisiana, 70898-0505
Compliance screening: View review flags

Relationships

FEC-reported relationships

Registration evidence · 2025–2026

Reported relationships are not contributions or transfers. They do not establish that any money changed hands. The reporting committee and related entity are shown separately. Only loaded relationship types are shown; this is not a complete organization chart.

CASSIDY LEADERSHIP FUNDC00771543 Joint fundraising participantBILL CASSIDY FOR US SENATEC00543983
FEC reportedObserved: Sep 12, 2026Registration filing: 1895217Official FEC source ↗
Current registration observation; not a historical filing-date assertion.
LA VICTORYC00904201 Joint fundraising participantBILL CASSIDY FOR US SENATEC00543983
FEC reportedObserved: Sep 12, 2026Registration filing: 1891013Official FEC source ↗
Current registration observation; not a historical filing-date assertion.
COLLINS-CASSIDY VICTORY COMMITTEEC00927954 Joint fundraising participantBILL CASSIDY FOR US SENATEC00543983
FEC reportedObserved: Sep 12, 2026Registration filing: 1926747Official FEC source ↗
Current registration observation; not a historical filing-date assertion.
2026 SENATORS CLASSIC COMMITTEEC00946053 Joint fundraising participantBILL CASSIDY FOR US SENATEC00543983
FEC reportedObserved: Sep 12, 2026Registration filing: 1957326Official FEC source ↗
Current registration observation; not a historical filing-date assertion.
BILL CASSIDY FOR US SENATEC00543983 Authorized candidateCASSIDY, WILLIAM M.S4LA00107
FEC reportedLoaded: Sep 7, 2026Official FEC source ↗
Cycle-specific FEC candidate–committee linkage. The date is local ingestion, not the original filing date.
BILL CASSIDY FOR US SENATEC00543983 Connected organization2026 SENATORS CLASSIC COMMITTEEReported name only · no identity match assumed
FEC reportedLoaded: Sep 6, 2026Official FEC source ↗
Cycle-specific FEC committee master: reported connected organization / affiliated committee name. This name-only field does not establish an entity identity match. The date is local ingestion, not the original filing date.
CONTINUING AMERICA'S STRENGTH AND SECURITY PACC00480228 Leadership PAC sponsorCASSIDY, WILLIAM M.S4LA00107
FEC reportedObserved: Sep 12, 2026Registration filing: 1945730Official FEC source ↗
Current registration observation; not a historical filing-date assertion.

FEC-reported relationships

Loading registration relationships…

Filings

All reports filed with the FEC ↗

Reconciliation

Coverage: Jan 1, 2021 to Sep 30, 2026
Contribution refunds: $2,994,517
Debts owed by committees: $0
Last report: YEAR-END

Source and provenance

Source agencyFederal Election Commission

Local row ingestedSep 6, 2026

Source row hash625a2082673c2ae62c50e920e7ddb323f8849f6fc19344a2e18e9bc68329bff1

View official FEC record

Month	Raised	Spent
Jan 25	$69,910	$0
Feb 25	$80,588	$0
Mar 25	$491,526	$0
Apr 25	$206,017	$0
May 25	$243,790	$0
Jun 25	$688,001	$0
Jul 25	$91,751	$0
Aug 25	$46,958	$0
Sep 25	$799,481	$0
Oct 25	$72,340	$2,500
Nov 25	$75,354	$0
Dec 25	$583,109	$0
Jan 26	$185,163	$0
Feb 26	$75,623	$0
Mar 26	$815,103	$0
Apr 26	$214,054	$4,500
May 26	$60,684	$0
Jun 26	$20,543	$0

CASSIDY, WILLIAM M.

Overview

Race forecast

Candidate & race

Money in

Sources

Top contributors

Money out

Spending by kind

Largest transfers and contributions to committees

Largest operating payments

Over time

Financial timeline

Records

FEC-reported relationships

FEC-reported relationships

Top employers

Top industries

Top states

Money network

FEC-reported relationships

Race forecast