John Barrasso
Republican · WY Senate · 119th Congress
Senate Majority Whip · Senate Committee on Energy and Natural Resources (Chair) · and Mining (Chair) · Senate Committee on Environment and Public Works (Chair) · International Operations (Chair) · and Bilateral International Development (Chair) · and Wildlife · Waste Management · and Regulatory Oversight · Senate Committee on Finance · Natural Resources · and Infrastructure · and Global Competitiveness · Senate Committee on Foreign Relations · Multilateral Institutions · and International Economic · and Environmental Policy · Transnational Crime · Civilian Security · Human Rights · and Global Women's Issues · Senate Committee on Indian Affairs
Influence Score
97.7
Most exposed
↑ +9.6 vs 118th (88.1)
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This score measures financial influence across twelve categories. Each bar shows how this member compares to all others in Congress. Longer bars mean more exposure.

Score breakdown — twelve categories
Contributionsmoney from PACs (political action committees) and individual donors
12.0
/ 12
Outside spendingmoney spent by groups to help elect them
2.7
/ 6
Spent to help elect them
$2,115,949
Outside groups that spent to help elect this member — this drives the outside-spending bar above
Lobbyinghow hard lobbyists push the committees this member sits on
10.0
/ 10
Revolving door (7 lobbyists) former staff now working as lobbyists
1.7
/ 3
Vote alignmenthow often they vote the way their donors want
8.4
/ 12
Contribution timingmoney arriving near key votes
3.3
/ 6
Stock tradesbuying stocks in industries they regulate
0.0
/ 1
Dark moneyfunding from groups that hide their donors
0.0
/ 2
Outbound money distributionmoney this member sends out to the party and to colleagues
13.7
/ 16
Cluster network breadthhow many coordinated funding networks back this member
9.3
/ 10
Committee jurisdiction powerthe legislative reach of the committees this member sits on
6.8
/ 10
Foreign interestforeign-interest money — Israel-policy PACs and FARA-registered institutional lobbying allocated by committee jurisdiction
10.3
/ 12
Israel-policy PACs behind this score
AMERICAN ISRAEL PUBLIC AFFAIRS COMMITTEE POLITICAL ACTION COMMITTEE $34,621 direct
FARA institutional lobbying
This member’s committees are targeted by $70.63M in lobbying from FARA-registered firms representing South Korea, Japan, Saudi Arabia. This exposure is weighted at 0.2% of face value in the score — $141K.
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Score across four congresses
Score and tier for each Congress. Members are ranked against others in the same Congress, so tiers are comparable across rows. Raw scores reflect different data availability per Congress.
Congress Score Tier
116th · 2019-2021 67.0 Moderately exposed
117th · 2021-2023 59.6 Moderately exposed
118th · 2023-2025 88.1 Most exposed
119th · 2025-2027 97.7 Most exposed
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Biggest funding source
The single network behind the most money and influence
Total money from this network $57,000
Number of funding networks contributing 1
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Where most of the money comes from
What share of their combined contributions and outside spending comes from a single network. Party committees are excluded.
Share from this one network 1.1%
Amount from this network $43,000
Total from all networks $3,901,740
Networks contributing 650
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Who funds Barrasso
Every funding network we can measure, ranked by influence
score 97.7 · Most exposed · votes with them 86%
$4,324,684
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Does the money match their power?
Whether their money comes from the industries their committees actually oversee
Money from industries they regulate 1.4%
Extra weight when money matches their committees 2.00×
Extra weight for leadership role 1.35×
Share of outside spending tied to their policy areas 27.9%
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Money timed to key votes
Donations arriving near key votes in the policy areas this member regulates
Times money arrived near a vote 64
Money that arrived near votes $184K
Distinct donors 95
Distinct employers 44
Share of their total fundraising 2.75%
Biggest clusters of timed money
KKR
20240912 · 3 contributions · Finance · 13d from vote (pre)
$10K
BLACKSTONE
20230927 · 4 contributions · Finance · 3d from vote (mixed)
$7K
ADVANCE FINANCIAL
20240911 · 2 contributions · Finance · 14d from vote (pre)
$7K
BLACKSTONE
20231211 · 2 contributions · Finance · 5d from vote (post)
$7K
ELLIOTT INVESTMENT MANAGEMENT
20231018 · 2 contributions · Finance · 7d from vote (pre)
$7K
ENERGY TRANSFER
20230331 · 2 contributions · Energy · 2d from vote (post)
$7K
FISHER INVESTMENTS
20240524 · 2 contributions · Finance · 8d from vote (post)
$7K
GOLDMAN SACHS
20240103 · 2 contributions · Finance · 7d from vote (pre)
$7K
KKR
20240918 · 2 contributions · Finance · 7d from vote (pre)
$7K
STEPHENS
20231211 · 2 contributions · Finance · 5d from vote (post)
$7K
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Top Donors
Biggest sources of contributions, grouped by employer, this cycle
HOMEMAKER
37 contributions · cycle 2024
$65K
KKR
15 contributions · cycle 2024
$47K
BLACKSTONE
11 contributions · cycle 2026
$33K
DELTA AIRLINES
21 contributions · cycle 2024
$29K
WCAS
13 contributions · cycle 2024
$26K
CAPITOL COUNSEL
16 contributions · cycle 2024
$26K
CONSTELLATION
33 contributions · cycle 2024
$26K
MICROSOFT
11 contributions · cycle 2024
$25K
ALLIANTGROUP
9 contributions · cycle 2026
$25K
BLACKSTONE
9 contributions · cycle 2024
$23K
UNITED AIRLINES
15 contributions · cycle 2024
$21K
CENTENE
11 contributions · cycle 2024
$21K
HOMEMAKER
6 contributions · cycle 2026
$21K
NJU
15 contributions · cycle 2022
$21K
CHARTER COMMUNICATIONS
11 contributions · cycle 2022
$21K
CONSTELLATION ENERGY
25 contributions · cycle 2024
$20K
DISH NETWORK
7 contributions · cycle 2024
$20K
MARNELL COMPANIES
6 contributions · cycle 2024
$20K
CRESTVIEW
6 contributions · cycle 2024
$20K
KIRKLAND ELLIS LLP
11 contributions · cycle 2024
$18K
Where the outside money comes from
How much of the outside spending for and against John Barrasso comes from groups that disclose their donors versus groups that hide them
By funding network
HIGH PLAINS PAC
for them $1.89M · against them $0 · 8 transactions
$1.89M
NATIONAL VICTORY ACTION FUND
for them $150K · against them $0 · 6 transactions
$150K
AMERICAN CHEMISTRY COUNCIL INC
for them $133K · against them $0 · 1 transactions
$133K
SLF PAC
for them $50K · against them $0 · 2 transactions
$50K
HEALTHCARE FREEDOM SUPER PAC
for them $20K · against them $0 · 2 transactions
$20K
EVERYTOWN FOR GUN SAFETY VICTORY FUND (EVERYTOWN VICTORY FUND)
for them $0 · against them $862 · 2 transactions
$862
HUNTER ACTION FUND (HAF)
for them $694 · against them $0 · 2 transactions
$694
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Pro-Israel network donors
This counts contributions to this member from individuals whose FEC filings also show contributions to one of the 16 pro-Israel political action committees tracked by the Index. It is a measure of donor overlap — not a claim about why any individual gave, and not part of the influence score.

399 individuals who also gave to pro-Israel PACs contributed $1.45M to John Barrasso across 435 contributions.

Total from shared contributors $1.45M
Shared contributors 399
Contributions 435
By cycle
Cycle Shared donors Gifts Total
2024 399 435 $1.45M
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Revolving Door
4 former staff members who worked for John Barrasso or the committees they serve are now registered lobbyists.
Lobbyist Former position Firm Clients Filings Years
JOHN DEARBORN Senior Counsel, Senate Energy and Natural Resources Committee; Energy Counsel, S… CASSIDY & ASSOCIATES, INC. 19 20 2023–2025
KAITLYNN GLOVER U.S Senate - Office of Senator John Barrasso (WY) - Intern - September-December … PUBLIC LANDS COUNCIL 1 12 2023–2025
NATASHA JOHN Intern, Senator Tom Coburn Intern, Senate Indian Affairs Committee (Sen. Barrass… POWERS PYLES SUTTER & VERVILLE, P.C. 1 1 2025–2025
AVERY EAGAN Former Legislative Correspondent, U.S. Senator John Barrasso (R-Wyo.) THE VOGEL GROUP 1 1 2023–2023
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John Barrasso ranks among the most exposed members of this Congress — the top tier on the index. The markers run across several of the twelve categories for the same funding network: contributions, outside spending, lobbying inside the policy areas this member regulates, vote alignment, and contribution timing among them. The score measures financial exposure in the public record; it is not a finding of intent or wrongdoing.

Data: FEC (Federal Election Commission) filings · 118th–119th Congress · lobbying disclosures · VoteView recorded votes
All findings derived programmatically from public records · No prior knowledge required