Ron Johnson
Republican · WI Senate · 119th Congress
Senate Committee on Homeland Security and Governmental Affairs (Chair) · Senate Committee on Commerce · and Transportation · and Broadband · and the Internet · and Consumer Protection · Climate Change · and Manufacturing · and Weather · and Ports · and Export Promotion · Senate Committee on Finance · Senate Committee on Foreign Relations · the Pacific · and International Cybersecurity Policy · International Operations · and Bilateral International Development · Federal Workforce · and Regulatory Affairs · Senate Committee on the Budget · Senate Special Committee on Aging
Influence Score
74.2
Highly exposed
↓ -7.2 vs 118th (81.4)
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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
4.8
/ 12
Outside spendingmoney spent by groups to help elect them
6.0
/ 6
Spent to help elect them
$47,979,208
Outside groups that spent to help elect this member — this drives the outside-spending bar above
Spent to defeat this member
$75,438,646
Outside groups that spent to defeat this member (not counted in this score)
Lobbyinghow hard lobbyists push the committees this member sits on
10.0
/ 10
Revolving door (23 lobbyists) former staff now working as lobbyists
3.0
/ 3
Vote alignmenthow often they vote the way their donors want
0.2
/ 12
Contribution timingmoney arriving near key votes
< 0.1
/ 6
Stock tradesbuying stocks in industries they regulate
0.0
/ 1
Dark moneyfunding from groups that hide their donors
0.1
/ 2
Outbound money distributionmoney this member sends out to the party and to colleagues
11.7
/ 16
Cluster network breadthhow many coordinated funding networks back this member
6.5
/ 10
Committee jurisdiction powerthe legislative reach of the committees this member sits on
7.5
/ 10
Foreign interestforeign-interest money — Israel-policy PACs and FARA-registered institutional lobbying allocated by committee jurisdiction
9.6
/ 12
FARA institutional lobbying
This member’s committees are targeted by $178.47M 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 — $357K.
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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 64.7 Moderately exposed
117th · 2021-2023 65.8 Moderately exposed
118th · 2023-2025 81.4 Most exposed
119th · 2025-2027 74.2 Highly exposed
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Biggest funding source
The single network behind the most money and influence
Total money from this network $28,894,330
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 11.6%
Amount from this network $170,712
Total from all networks $1,478,559
Networks contributing 252
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Who funds Johnson
Every funding network we can measure, ranked by influence
score 74.2 · Highly exposed · votes with them 56%
$48,816,358
— ◊ —
Does the money match their power?
Whether their money comes from the industries their committees actually oversee
Money from industries they regulate 19.4%
Extra weight when money matches their committees 2.00×
Share of outside spending tied to their policy areas 0.9%
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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 1
Money that arrived near votes $1K
Distinct donors 1
Distinct employers 1
Share of their total fundraising 0.02%
Biggest clusters of timed money
COCERRA INSURANCE SERVICES
20230926 · 1 contributions · Finance · 4d from vote (mixed)
$1K
ORAL SURGERY CLINIC OF LA CROSSE
20240630 · 6 contributions · Health · 10d from vote (pre)
$505
ORAL SURGERY CLINIC OF LA CROSSE
20240930 · 6 contributions · Health · 13d from vote (post)
$505
JP MORGAN
20241007 · 1 contributions · Finance · 12d from vote (post)
$500
ORAL SURGERY CLINIC OF LA CROSSE
20240506 · 1 contributions · Health · 9d from vote (pre)
$500
ORAL SURGERY CLINIC OF LA CROSSE
20240606 · 3 contributions · Health · 1d from vote (mixed)
$500
ORAL SURGERY CLINIC OF LA CROSSE
20240906 · 5 contributions · Health · 11d from vote (pre)
$500
ULINE
20231101 · 1 contributions · Transportation · 7d from vote (pre)
$260
INSIGHT INVESTMENT COUNSEL
20230918 · 1 contributions · Finance · 2d from vote (mixed)
$253
GUARANTY BANK
20230604 · 1 contributions · Finance · 3d from vote (post)
$250
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Top Donors
Biggest sources of contributions, grouped by employer, this cycle
HOMEMAKER
1,072 contributions · cycle 2022
$670K
INFORMATION REQUESTED PER BEST EFFORTS
334 contributions · cycle 2022
$481K
ENTREPRENEUR
915 contributions · cycle 2022
$228K
ARCHER AUTO
117 contributions · cycle 2022
$45K
HOMEMAKER
731 contributions · cycle 2024
$43K
ENTREPRENEUR
576 contributions · cycle 2024
$39K
SE
19 contributions · cycle 2022
$29K
LIBERTY HOUSE
27 contributions · cycle 2022
$27K
ABC SUPPLY
15 contributions · cycle 2022
$27K
KLONDIKE CHEESE
8 contributions · cycle 2022
$26K
INFORMATION REQUESTED PER BEST EFFORTS
16 contributions · cycle 2024
$24K
BURPEE
5 contributions · cycle 2022
$24K
SO CAL LANDSCAPE
49 contributions · cycle 2024
$23K
SCOTT CONSTRUCTION
35 contributions · cycle 2024
$21K
REDWOOD RESEARCH
6 contributions · cycle 2026
$21K
PT PROTELINDO
7 contributions · cycle 2022
$20K
NALLC
237 contributions · cycle 2024
$18K
CHARLES A KLEIN
98 contributions · cycle 2024
$18K
ULINE
7 contributions · cycle 2022
$18K
ASHLEY FURNITURE
7 contributions · cycle 2022
$18K
Where the outside money comes from
How much of the outside spending for and against Ron Johnson comes from groups that disclose their donors versus groups that hide them
Total outside spending received $61.75M
Disclosed outside spending $24.44M
Dark-money outside spending $37.31M
Share that is dark money 60.42%
Dark money tied to their policy areas $2.26M
Groups hiding their donors 15
By funding network
SMP
for them $0 · against them $48.05M · 105 transactions
$48.05M
AMERICANS FOR PROSPERITY ACTION, INC. (AFP ACTION) DBA CVA ACTION AND DBA LIBRE ACTION
for them $19.52M · against them $0 · 205 transactions
$19.52M
WISCONSIN TRUTH PAC
for them $18.47M · against them $0 · 38 transactions
$18.47M
DSCC
for them $0 · against them $7.45M · 25 transactions
$7.45M
MOVEON.ORG POLITICAL ACTION
for them $0 · against them $3.94M · 127 transactions
$3.94M
CFFE PAC
for them $0 · against them $3.32M · 16 transactions
$3.32M
VOTEVETS
for them $0 · against them $2.79M · 9 transactions
$2.79M
OPPORTUNITY MATTERS FUND, INC.
for them $2.53M · against them $0 · 10 transactions
$2.53M
VOTE FOR EQUALITY
for them $0 · against them $2.25M · 23 transactions
$2.25M
EVERYTOWN FOR GUN SAFETY VICTORY FUND (EVERYTOWN VICTORY FUND)
for them $0 · against them $2.00M · 6 transactions
$2.00M
AMERICAN FEDERATION OF STATE, COUNTY AND MUNICIPAL EMPLOYEES, AFL-CIO
for them $0 · against them $1.65M · 13 transactions
$1.65M
NO BETTER FRIEND PAC
for them $1.34M · against them $0 · 100 transactions
$1.34M
PROTECT FREEDOM POLITICAL ACTION COMMITTEE
for them $1.24M · against them $0 · 10 transactions
$1.24M
SENATE CONSERVATIVES ACTION
for them $1.13M · against them $0 · 497 transactions
$1.13M
OPPORTUNITY MATTERS FUND ACTION
for them $1.00M · against them $0 · 4 transactions
$1.00M
Groups that hide their donors
c4-funded super PAC · oppose
$24.05M
501(c)(4) confirmed · oppose
$828K
c4-funded super PAC · support
$681K
501(c)(4) confirmed · oppose
$308K
Independent-expenditure entity · oppose
$194K
c4-funded super PAC · oppose
$127K
c4-funded super PAC · support
$127K
Independent-expenditure entity · oppose
$101K
Likely donors behind the dark money supporting this member Inferred
Donors who fund the disclosed PACs in the same network as the hidden groups above. "Coverage" is how many of that network's disclosed groups a donor funds — the more they fund, the more likely they also back the hidden group.
JEFFREY J KOLOZE
UNIVERSITY OF PHOENIX · OH · 1 dark entity
coverage 100.0%
$8K
GEORGE ERBACHER
OK · 1 dark entity
coverage 100.0%
$3K
THOMAS MORRIS
DIMOCK CENTER · MA · 1 dark entity
coverage 100.0%
$2K
EDWIN BOTERO
JBS SWIFT · CO · 1 dark entity
coverage 100.0%
$300
EVERYTOWN FOR GUN SAFETY VICTORY FUND EVERYTOWN VICTORY FUND
NY · 1 dark entity
coverage 50.0%
$10.01M
EVERYTOWN FOR GUN SAFETY ACTION FUND
NY · 1 dark entity
coverage 50.0%
$43K
MICHAEL R BLOOMBERG
BLOOMBERG · NY · 1 dark entity
coverage 25.0%
$14.00M
EVERYTOWN FOR GUN SAFETY VICTORY FUND
NY · 1 dark entity
coverage 25.0%
$3.00M
SEBASTIAN SCRIPPS
CT · 1 dark entity
coverage 25.0%
$1.50M
ELIZABETH SIEGELMAN
CA · 1 dark entity
coverage 25.0%
$400K
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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.

250 individuals who also gave to pro-Israel PACs contributed $874K to Ron Johnson across 832 contributions.

Total from shared contributors $874K
Shared contributors 250
Contributions 832
By cycle
Cycle Shared donors Gifts Total
2022 243 702 $863K
2024 20 102 $6K
2026 5 28 $5K
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Revolving Door
8 former staff members who worked for Ron Johnson or the committees they serve are now registered lobbyists.
Lobbyist Former position Firm Clients Filings Years
ARTHUR SIDNEY LD & Chief Counsel, Rep. Jackson Lee (2008-2009); Chief of staff and chief couns… FORBES-TATE 22 22 2023–2025
JENA MCNEILL Deputy Chief of Staff/Legislative Director, Sen. Joni Ernst; Deputy Director of … THE INGRAM GROUP LLC 5 5 2025–2025
JOSEPH MURRAY Republican Study Committee; Rep. Mark Meadows; & Senator Ron Johnson FIRST PRINCIPLES STRATEGIES, LLC 4 21 2023–2025
MATTHEW KREN Intern-Congressman John Larson; Law Clerk- US Senate Committee on Homeland Secur… ALCALDE & FAY 2 14 2023–2025
DEBORAH MAZOL Chief of Staff - Rep. Andy Biggs, Legislative Director - Rep. Reid Ribble, Legis… NATIONAL ROOFING CONTRACTORS ASSOCIATION 1 11 2023–2025
MIMI STROBEL Legislative Assistant, Senator Ron Johnson (2019-2020); Legislative Assistant, R… NOKIA OF AMERICA CORPORATION 1 12 2023–2025
BRANDON PALUMBO Correspondence Manager, Senator John Kennedy (R-LA), 2017; Legislative Assistant… TRAVEL TECH: THE TRAVEL TECHNOLOGY ASSOCIATION 1 2 2024–2025
DEBORAH MAZOL Legislative Assistant, Senator Ron Johnson, Legislative Director, Rep. Reid Ribb… SEAMAN CORPORATION 1 1 2025–2025
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Ron Johnson's file shows clear influence markers across multiple categories for the top funding network, placing them in the upper range of this Congress. The pattern runs above what coincidence would produce, and the methodology page documents what each category requires.

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