Public domain
RepublicanRunning for LA U.S. Senate · 2026
Bill Cassidy
William Morgan Cassidy (born September 28, 1957) is an American politician and physician who is the senior United States senator from Louisiana , a seat he has held since 2015. A member of the Republican Party , he served in the Louisiana State Senate from 2006 to 2009 and in the U.S. House of Representatives from 2009 to 2015. Cassidy has chaired the Senate Health, Education, Labor, & Pensions (HELP) Committee since 2025.
Born 1957 · Highland Park, Illinois , U.S.
In brief
AI · verified vs data · 2026-07-03
Bill Cassidy, a physician and senior U.S. senator from Louisiana since 2015, is seeking reelection to his Senate seat. The Republican has raised about $7 million for his campaign. Cassidy previously represented Louisiana in the State Senate (2006–2008) and U.S. House (2009–2015), and currently chairs the Senate Health, Education, Labor, & Pensions Committee.
Independence scorecard
Computed · FEC money mixWho Cassidy's money comes from.
D
30/100
Independence index
Funding mix leans on concentrated money — pac independence is the weak spot.
3 watch items · pac independence
Small-dollar reliance2
1% of individual + PAC money from donors under $200
PAC independence0
41% of individual + PAC money from PACs
In-state funding27
73% of itemized receipts come from out of state
Outside-money exposure93
$515k in outside spending supports the campaign
MONEY-MIX INDEX, COMPUTED FROM FEC FILINGS ONLY: SMALL-DOLLAR SHARE, PAC RELIANCE, IN-STATE MONEY AND OUTSIDE (IE) SPENDING. IT DOES NOT SCORE VOTES OR DONOR–VOTE ALIGNMENT. HIGHER = MORE INDEPENDENT · GREEN ≥70 · AMBER 50–69 · RED <50.
Governing & voting record
What Cassidy did in office.
MeasureYearAction
HALT Fentanyl Act
Became Public Law No: 119-26.
2025
Became law
A bill to amend the Federal Food, Drug, and Cosmetic Act with respect to the scope of new chemical exclusivity
Became Public Law No: 117-9.
2021
Became law
A bill to amend title 38, United States Code, to clarify the grade and pay of podiatrists of the Department of
Became Public Law No: 116-12.
2019
Became law
Stephen Michael Gleason Congressional Gold Medal Act
Became Public Law No: 115-415.
2018
Became law
A resolution expressing support for the designation of June 11, 2026, as "Anti-Illicit Trade Awareness Day".
Submitted in the Senate, considered, and agreed to without amendment and with a preamble by Unanimous Consent. (consideration: CR S3025; text: CR S298
2026
Sponsored
A resolution designating June 11, 2026, as "National Seersucker Day", designating every subsequent Thursday th
Submitted in the Senate, considered, and agreed to without amendment and with a preamble by Unanimous Consent. (consideration: CR S2670; text: CR S266
2026
Sponsored
READ Act
Read twice and referred to the Committee on Health, Education, Labor, and Pensions.
2026
Sponsored
SPONSORED LEGISLATION VIA CONGRESS.GOV · ENACTED BILLS FIRST, THEN THE MOST RECENT · ROLE SHOWS THE BILL'S LATEST STATUS.
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
How Cassidy votes
With the party, against it, and where on the spectrum.
Ideological placement · roll-call record
Dem median
GOP median
Cassidy
← LiberalCenterConservative →
Center-right
Overall lean
73
DW-NOMINATE · 0–100
DW-NOMINATE FIRST-DIMENSION SCORE FROM ROLL-CALL VOTES IN THE 119TH CONGRESS (SENATE), VIA VOTEVIEW. 0 = MOST LIBERAL, 100 = MOST CONSERVATIVE.
Party unity · 804 roll-calls · 119th Congress (Senate)
98%voted with Republicans · 2% broke ranks
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Career & history
2006Member of the State Senate of Louisiana
2006–2008
2009United States representative
2009–2015
2015United States senator
since 2015
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
Donors & money
FEC itemized filings · cycle-to-dateWho funds the campaign.
$6.7M
Raised
$7.8M
Spent
$5.5M
Cash on hand
Source of funds · individual + PAC
1% small (<$200)58% large indiv.41% PAC
27% in-state · 73% out-of-state (itemized)
Top contributors · bundled by employer / org
INFORMATION REQUESTED PER BEST EFFORTS
$58k
GALLIANO MARINE SERVICE LLC
$33k
NEW YORK CANCER & BLOOD SPECIALISTS
$29k
BLACKSTONE
$28k
WELSH CARSON ANDERSON & STOWE
$28k
POSIGEN
$28k
Top industries · itemized $
Securities & investment$28k
Health professionals$22k
Pharma / health products$21k
OWN-COMMITTEE TOTALS FROM FEC FILINGS THROUGH 2026-04-26 · INDUSTRY GROUPS ARE ITEMIZED RECEIPTS CLASSIFIED BY EMPLOYER — A KEYWORD APPROXIMATION, NOT OPENSECRETS CODING. SOURCE: FEC ↗
Related prediction markets
All markets →Live contract prices tied to Cassidy and the seat. Prices are ¢-per-share of the YES outcome; context only, never merged into our polling averages.
Will the Democrats win the Louisiana Senate race in 2026?
Polymarket · Democrat
Will the Republicans win the Louisiana Senate race in 2026?
Polymarket · Republican
Which party will win the 2026 US Senate election in Louisiana?
predictit · Republican Party
Which party will win the 2026 US Senate election in Louisiana?
predictit · Democratic Party
Kentucky Senate winner?
Kalshi · vol $1k · Andy Barr
Kentucky Senate winner?
Kalshi · vol $1 · Charles Booker
Sources & provenance
Biography
Public record
Wikipedia + state records
Money & donors
FEC filings
itemized + committee totals
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: UNITED STATES CONGRESS · PUBLIC DOMAIN (WIKIMEDIA COMMONS)
Related coverage
wwno.org · 2026-06-28
Letlow, Davis advance in Louisiana’s U.S. Senate race
fox8live.com · 2026-06-27
Polls open for Louisiana runoff election | Everything you need to know
thehill.com · 2026-06-26
Live results: Letlow, Fleming duke it out in Louisiana Senate runoff after Cassidy primary ouster
nbcnews.com · 2026-06-26
Louisiana Senate Primary Runoff Election 2026 Live Results
Republican · LA U.S. Senate
Bill Cassidy
William Morgan Cassidy (born September 28, 1957) is an American politician and physician who is the senior United States senator from Louisiana , a seat he has held since 2015. A member of the Republican Party , he served in the Louisiana State Senate from 2006 to 2009 and in the U.S. House of Representatives from 2009 to 2015. Cassidy has chaired the Senate Health, Education, Labor, & Pensions (HELP) Committee since 2025.
$6.7M
Raised
In brief
AI · verified vs data · 2026-07-03Bill Cassidy, a physician and senior U.S. senator from Louisiana since 2015, is seeking reelection to his Senate seat. The Republican has raised about $7 million for his campaign. Cassidy previously represented Louisiana in the State Senate (2006–2008) and U.S. House (2009–2015), and currently chairs the Senate Health, Education, Labor, & Pensions Committee.
Governing & voting record
HALT Fentanyl Act
2025 · BECAME LAW
A bill to amend the Federal Food, Drug, and Cosmetic Act with respect to the scope of new chemical exclusivity
2021 · BECAME LAW
A bill to amend title 38, United States Code, to clarify the grade and pay of podiatrists of the Department of
2019 · BECAME LAW
Stephen Michael Gleason Congressional Gold Medal Act
2018 · BECAME LAW
A resolution expressing support for the designation of June 11, 2026, as "Anti-Illicit Trade Awareness Day".
2026 · SPONSORED
A resolution designating June 11, 2026, as "National Seersucker Day", designating every subsequent Thursday th
2026 · SPONSORED
READ Act
2026 · SPONSORED
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
Career & history
2006Member of the State Senate of Louisiana
2006–2008
2009United States representative
2009–2015
2015United States senator
since 2015
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
Independence scorecard
Who Cassidy's money comes from.
D
30/100
Independence index
Funding mix leans on concentrated money — pac independence is the weak spot.
3 watch items · pac independence
Small-dollar reliance2
1% of individual + PAC money from donors under $200
PAC independence0
41% of individual + PAC money from PACs
In-state funding27
73% of itemized receipts come from out of state
Outside-money exposure93
$515k in outside spending supports the campaign
MONEY-MIX INDEX, COMPUTED FROM FEC FILINGS ONLY: SMALL-DOLLAR SHARE, PAC RELIANCE, IN-STATE MONEY AND OUTSIDE (IE) SPENDING. IT DOES NOT SCORE VOTES OR DONOR–VOTE ALIGNMENT. HIGHER = MORE INDEPENDENT · GREEN ≥70 · AMBER 50–69 · RED <50.
How Cassidy votes
Ideological placement · roll-call record
Dem median
GOP median
Cassidy
← LiberalCenterConservative →
Center-right
Overall lean
73
DW-NOMINATE · 0–100
DW-NOMINATE FIRST-DIMENSION SCORE FROM ROLL-CALL VOTES IN THE 119TH CONGRESS (SENATE), VIA VOTEVIEW. 0 = MOST LIBERAL, 100 = MOST CONSERVATIVE.
Party unity · 804 roll-calls · 119th Congress (Senate)
98%voted with Republicans · 2% broke ranks
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Donors & money
$6.7M
Raised
$7.8M
Spent
$5.5M
Cash on hand
Source of funds · individual + PAC
1% small (<$200)58% large indiv.41% PAC
27% in-state · 73% out-of-state (itemized)
Top industries · itemized $
Securities & investment$28k
Health professionals$22k
Pharma / health products$21k
OWN-COMMITTEE TOTALS FROM FEC FILINGS THROUGH 2026-04-26 · INDUSTRY GROUPS ARE ITEMIZED RECEIPTS CLASSIFIED BY EMPLOYER — A KEYWORD APPROXIMATION, NOT OPENSECRETS CODING. SOURCE: FEC ↗
Related prediction markets
All markets →Will the Democrats win the Louisiana Senate race in 2026?
Polymarket · Democrat
Will the Republicans win the Louisiana Senate race in 2026?
Polymarket · Republican
Which party will win the 2026 US Senate election in Louisiana?
predictit · Republican Party
Which party will win the 2026 US Senate election in Louisiana?
predictit · Democratic Party
Kentucky Senate winner?
Kalshi · vol $1k · Andy Barr
Kentucky Senate winner?
Kalshi · vol $1 · Charles Booker
Sources & provenance
Biography
Public record
Wikipedia + state records
Money & donors
FEC filings
itemized + committee totals
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: UNITED STATES CONGRESS · PUBLIC DOMAIN (WIKIMEDIA COMMONS)