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
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
— ◊ —
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.
Network
SPECIAL OPERATIONS FOR AMERICA
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
$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
$10K
BLACKSTONE
$7K
ADVANCE FINANCIAL
$7K
BLACKSTONE
$7K
ELLIOTT INVESTMENT MANAGEMENT
$7K
ENERGY TRANSFER
$7K
FISHER INVESTMENTS
$7K
GOLDMAN SACHS
$7K
KKR
$7K
STEPHENS
$7K
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Top Donors
Biggest sources of contributions, grouped by employer, this cycle
HOMEMAKER
$65K
KKR
$47K
BLACKSTONE
$33K
DELTA AIRLINES
$29K
WCAS
$26K
CAPITOL COUNSEL
$26K
CONSTELLATION
$26K
MICROSOFT
$25K
ALLIANTGROUP
$25K
BLACKSTONE
$23K
UNITED AIRLINES
$21K
CENTENE
$21K
HOMEMAKER
$21K
NJU
$21K
CHARTER COMMUNICATIONS
$21K
CONSTELLATION ENERGY
$20K
DISH NETWORK
$20K
MARNELL COMPANIES
$20K
CRESTVIEW
$20K
KIRKLAND ELLIS LLP
$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
$1.89M
NATIONAL VICTORY ACTION FUND
$150K
AMERICAN CHEMISTRY COUNCIL INC
$133K
SLF PAC
$50K
HEALTHCARE FREEDOM SUPER PAC
$20K
EVERYTOWN FOR GUN SAFETY VICTORY FUND (EVERYTOWN VICTORY FUND)
$862
HUNTER ACTION FUND (HAF)
$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
All findings derived programmatically from public records · No prior knowledge required