R. Jon Tester
Democrat
· MT Senate · 119th Congress
Influence Score
0.0
Not scored
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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
0.0
/ 12
Outside spendingmoney spent by groups to help elect them
0.0
/ 6
Spent to help elect them
$0
Outside groups that spent to help elect this member — this drives the outside-spending bar above
Spent to defeat this member
$130,328,526
Outside groups that spent to defeat this member (not counted in this score)
Lobbyinghow hard lobbyists push the committees this member sits on
0.0
/ 10
Vote alignmenthow often they vote the way their donors want
0.0
/ 12
Contribution timingmoney arriving near key votes
0.0
/ 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
0.0
/ 16
Cluster network breadthhow many coordinated funding networks back this member
0.0
/ 10
Committee jurisdiction powerthe legislative reach of the committees this member sits on
0.0
/ 10
Foreign interestforeign-interest money — Israel-policy PACs and FARA-registered institutional lobbying allocated by committee jurisdiction
0.0
/ 12
Israel-policy PACs behind this score
JSTREETPAC
$116,728 direct
AMERICAN ISRAEL PUBLIC AFFAIRS COMMITTEE POLITICAL ACTION COMMITTEE
$29,673 direct
DMFI PAC
$5,000 direct
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Biggest funding source
The single network behind the most money and influence
No top sponsor identified.
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Who funds Tester
Every funding network we can measure, ranked by influence
No sponsor relationships on file.
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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
0.0%
Extra weight when money matches their committees
1.00×
Share of outside spending tied to their policy areas
0.0%
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Money timed to key votes
Donations arriving near key votes in the policy areas this member regulates
No suspicious timing patterns detected.
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Top Donors
Biggest sources of contributions, grouped by employer, this cycle
EVERGREEN MONEY
$307K
MASTERCARD
$137K
GOOGLE
$137K
MICROSOFT
$137K
BOCOSV
$125K
STANFORD MEDICAL SCHOOL
$90K
STANFORD UNIVERSITY
$88K
GOLDMAN SACHS
$85K
MASS GENERAL HOSPITAL
$81K
BLACKSTONE
$77K
MOTLEY RICE
$71K
APPLE
$70K
BANGTAIL
$60K
STACY YARBROUGH HOT BODY
$53K
LOCKHEED MARTIN
$51K
HOMEMAKER
$50K
UNIVERSITY OF MONTANA
$48K
BLACKROCK
$46K
CAPITAL
$46K
DRAGONFLY
$43K
Where the outside money comes from
How much of the outside spending for and against R. Jon Tester comes from groups that disclose their donors versus groups that hide them
Total outside spending received
$81.11M
Disclosed outside spending
$44.90M
Dark-money outside spending
$36.20M
Share that is dark money
44.64%
Dark money tied to their policy areas
$429K
Groups hiding their donors
16
By funding network
SLF PAC
$90.63M
MORE JOBS, LESS GOVERNMENT
$28.88M
MONTANA OUTDOOR VALUES ACTION FUND
$10.09M
NRSC
$8.88M
CLUB FOR GROWTH ACTION
$7.96M
AMERICANS FOR PROSPERITY ACTION, INC. (AFP ACTION) DBA CVA ACTION AND DBA LIBRE ACTION
$7.71M
REPUBLICAN LEADERSHIP FUND INC.
$4.04M
AMERICA FIRST ACTION, INC.
$3.82M
RESTORATION PAC
$3.64M
YOUR COMMUNITY PAC
$3.61M
LAST BEST PLACE PAC
$3.58M
CFFE PAC
$3.04M
JEFFERSON RISING
$2.42M
MONTANA RURAL VOTERS (WORC)
$2.40M
LCV VICTORY FUND
$2.37M
Groups that hide their donors
$23.07M
$1.79M
$1.18M
$492K
$111K
2 smaller groups under $500
$556
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.
CLIMATE EMERGENCY ADVOCATES
$10K
NEVADANS FOR STEVEN HORSFORD
$80K
TITUS FOR CONGRESS
$80K
SUSIE LEE FOR CONGRESS
$79K
NRCC
$1.24M
MILLER-MEEKS FOR CONGRESS
$119K
RAI SERVICES
$13.90M
KENNETH C GRIFFIN
$8.80M
CHARLES B JOHNSON
$5.17M
AMERICA S PROMISE
$4.73M
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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.
681 individuals who also gave to pro-Israel PACs contributed $2.53M to R. Jon Tester across 1,246 contributions.
Total from shared contributors
$2.53M
Shared contributors
681
Contributions
1,246
By cycle
| Cycle | Shared donors | Gifts | Total |
|---|---|---|---|
| 2022 | 9 | 15 | $23K |
| 2024 | 677 | 1,229 | $2.49M |
| 2026 | 2 | 2 | $20K |
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Revolving Door
3 former staff members
who worked for R. Jon Tester or the committees they serve are now registered lobbyists.
| Lobbyist | Former position | Firm | Clients | Filings | Years |
|---|---|---|---|---|---|
| GENEVIEVE BELTRONE | Legislative Assistant, Sen. Jon Tester; Legislative Aide, Sen. Jon Tester; Legis… | CAPITOL COUNSEL LLC | 13 | 13 | 2023–2025 |
| BRENNEN CAIN | Legislative Assistant, Rep. Ben McAdams, April 2019-January 2021; Legislative Co… | INVENERGY LLC | 1 | 2 | 2025–2025 |
| JUSTIN FOLSOM | Legislative Director, Senator Jon Tester (MT) | SOUTHERN COMPANY | 1 | 3 | 2025–2025 |
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R. Jon Tester is not scored: there is no usable voting record to rank against — either the vote and contribution records have not yet been matched to this member, or this is a non-voting delegate. This is the absence of a score, not a finding of low exposure.
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