Mike Thompson
Democrat
· CA-4 · 119th Congress
House Committee on Ways and Means · Joint Committee on Taxation
Influence Score
79.4
Highly exposed
↑ +11.5
vs 118th (69.7)
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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
11.0
/ 12
Outside spendingmoney spent by groups to help elect them
0.4
/ 6
Spent to help elect them
$26,769
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
8.0
/ 10
Vote alignmenthow often they vote the way their donors want
6.9
/ 12
Contribution timingmoney arriving near key votes
1.3
/ 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
13.1
/ 16
Cluster network breadthhow many coordinated funding networks back this member
8.3
/ 10
Committee jurisdiction powerthe legislative reach of the committees this member sits on
3.3
/ 10
Foreign interestforeign-interest money — Israel-policy PACs and FARA-registered institutional lobbying allocated by committee jurisdiction
9.8
/ 12
Israel-policy PACs behind this score
JSTREETPAC
$3,600 direct
FARA institutional lobbying
This member’s committees are targeted by $45.81M 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 — $92K.
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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 | 65.3 | Moderately exposed |
| 117th · 2021-2023 | 69.5 | Highly exposed |
| 118th · 2023-2025 | 69.7 | Highly exposed |
| 119th · 2025-2027 | 81.2 | Highly exposed |
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Biggest funding source
The single network behind the most money and influence
Total money from this network
$78,000
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.
Network
CLEAR CHOICE PAC, INC
Share from this one network
11.9%
Amount from this network
$600,000
Total from all networks
$5,044,027
Networks contributing
494
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Who funds Thompson
Every funding network we can measure, ranked by influence
$1,956,655
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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
2.4%
Extra weight when money matches their committees
2.00×
Share of outside spending tied to their policy areas
100.0%
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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
12
Money that arrived near votes
$15K
Distinct donors
16
Distinct employers
2
Share of their total fundraising
1.10%
Biggest clusters of timed money
NORTHWESTERN MUTUAL
$2K
NORTHWESTERN MUTUAL
$2K
NORTHWESTERN MUTUAL
$2K
NORTHWESTERN MUTUAL
$2K
NORTHWESTERN MUTUAL
$1K
PARK AVENUE SECURITIES
$1K
NORTHWESTERN MUTUAL
$1K
NORTHWESTERN MUTUAL
$1K
NORTHWESTERN MUTUAL
$1K
NORTHWESTERN MUTUAL
$1K
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Top Donors
Biggest sources of contributions, grouped by employer, this cycle
HONEYWELL INTERNATIONAL
$6.69M
FEDERAL AVIATION ADMINISTRATION
$6.43M
HONEYWELL INTERNATIONAL
$5.67M
BOEING
$4.41M
HONEYWELL INTERNATIONAL
$3.79M
BOEING
$3.60M
NORTHROP GRUMMAN
$3.45M
LOCKHEED MARTIN
$3.32M
LOCKHEED MARTIN
$3.15M
EY
$3.00M
NORTHROP GRUMMAN
$2.99M
PRICEWATERHOUSECOOPERS LLP
$2.92M
COMCAST CC OF WILLOW GROVE
$2.63M
THE ELEVANCE HEALTH COMPANIES
$2.53M
GENERAL MOTORS
$2.23M
UNITED HEALTHCARE SERVICES
$2.17M
USPS
$2.08M
COMCAST CC OF WILLOW GROVE
$2.07M
RAYTHEON TECHNOLOGIES
$2.06M
BOEING
$2.05M
Where the outside money comes from
How much of the outside spending for and against Mike Thompson comes from groups that disclose their donors versus groups that hide them
Total outside spending received
$35K
Disclosed outside spending
$35K
Dark-money outside spending
$8
Share that is dark money
0.02%
Dark money tied to their policy areas
$0
Groups hiding their donors
1
By funding network
WITH HONOR FUND II, INC.
$15K
COOPERATIVE OF AMERICAN PHYSICIANS INDEPENDENT EXPENDITURE COMMITTEE
$10K
COURAGE CALIFORNIA SUPER PAC
$3K
TOGETHER WE THRIVE
$750
PARTY_C00405233
$583
DEMOCRACY PAC
$191
NEA ADVOCACY FUND
$67
SIERRA CLUB INDEPENDENT ACTION
$40
Groups that hide their donors
1 smaller group under $500
$8
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.
NEVADANS FOR STEVEN HORSFORD
$80K
TITUS FOR CONGRESS
$80K
SUSIE LEE FOR CONGRESS
$79K
GEORGE SOROS
$525.74M
SMP
$81.00M
BLACKPAC
$47.25M
AB PAC
$25.50M
HMP
$15.00M
HOUSE MAJORITY PAC
$15.00M
CARE IN ACTION PAC
$6.60M
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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.
37 individuals who also gave to pro-Israel PACs contributed $1.21M to Mike Thompson across 86 contributions.
Total from shared contributors
$1.21M
Shared contributors
37
Contributions
86
By cycle
| Cycle | Shared donors | Gifts | Total |
|---|---|---|---|
| 2022 | 22 | 39 | $338K |
| 2024 | 13 | 31 | $552K |
| 2026 | 7 | 16 | $320K |
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Revolving Door
4 former staff members
who worked for Mike Thompson or the committees they serve are now registered lobbyists.
| Lobbyist | Former position | Firm | Clients | Filings | Years |
|---|---|---|---|---|---|
| ELIZABETH MURRAY | Senior Policy Advisor, Democratic Whip Steny Hoyer; Legislative Asst. for Rep. M… | TARPLIN, DOWNS & YOUNG, LLC | 43 | 443 | 2023–2025 |
| MICHELLE EASTON | Senior Policy Advisor, Democratic Whip Steny Hoyer; Legislative Asst. for Rep. M… | TARPLIN, DOWNS & YOUNG, LLC | 1 | 9 | 2023–2024 |
| CHARLES JEFFERSON | Chief of Staff, Rep. Mike Thompson; Asst. to COS, House Dem. Leader; Staff Asst.… | WINE INSTITUTE | 1 | 12 | 2023–2025 |
| LAURA CHADWICK | Legislative Assistant, 2007-2009, Congressman Mike Thompson (CA-01) | TRAVEL TECH: THE TRAVEL TECHNOLOGY ASSOCIATION | 1 | 4 | 2023–2025 |
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Mike Thompson'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
All findings derived programmatically from public records · No prior knowledge required