Katherine M. Clark
Democrat
· MA-5 · 119th Congress
House Minority Whip · House Committee on Appropriations · Health and Human Services · and Related Agencies · and Housing and Urban Development
Influence Score
78.4
Highly exposed
↑ +5.9
vs 118th (72.5)
— ◊ —
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
< 0.1
/ 6
Spent to help elect them
$41
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
former staff now working as lobbyists
0.0
/ 3
Vote alignmenthow often they vote the way their donors want
7.3
/ 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
13.7
/ 16
Cluster network breadthhow many coordinated funding networks back this member
8.2
/ 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
11.5
/ 12
Israel-policy PACs behind this score
AMERICAN ISRAEL PUBLIC AFFAIRS COMMITTEE POLITICAL ACTION COMMITTEE
$23,004 direct
JSTREETPAC
$8,380 direct
CITYPAC
$500 direct
— ◊ —
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 | 59.5 | Moderately exposed |
| 117th · 2021-2023 | 64.7 | Moderately exposed |
| 118th · 2023-2025 | 72.5 | Highly exposed |
| 119th · 2025-2027 | 78.4 | Highly exposed |
— ◊ —
Biggest funding source
The single network behind the most money and influence
Network
SPECIAL OPERATIONS FOR AMERICA
Total money from this network
$94,500
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
1.3%
Amount from this network
$63,000
Total from all networks
$4,858,015
Networks contributing
518
— ◊ —
Who funds Clark
Every funding network we can measure, ranked by influence
$3,255,410
— ◊ —
Does the money match their power?
Whether their money comes from the industries their committees actually oversee
Money from industries they regulate
68.3%
Extra weight when money matches their committees
1.50×
Extra weight for leadership role
1.35×
Share of outside spending tied to their policy areas
66.7%
— ◊ —
Money timed to key votes
Donations arriving near key votes in the policy areas this member regulates
No suspicious timing patterns detected.
— ◊ —
Top Donors
Biggest sources of contributions, grouped by employer, this cycle
CAPITAL
$28K
APOLLO GLOBAL MANAGEMENT
$24K
BANK OF NEW YORK MELLON
$24K
GOOGLE
$23K
LIBERTY MUTUAL INSURANCE
$21K
ELI LILLY AND
$20K
THE DASCHLE
$20K
FIDELITY INVESTMENTS
$18K
CAPITAL COMPANIES
$18K
COINBASE
$18K
THEGROUP
$17K
COINBASE GLOBAL
$16K
COMCAST
$16K
ROCKET COMPANIES
$16K
BROWNSTEIN HYATT FARBER SCHRECK LLP
$16K
HOLLAND KNIGHT LLP
$15K
AVENUE SOLUTIONS
$15K
BLACKSTONE
$14K
CORNERSTONE GOVERNMENT AFFAIRS
$14K
AH CAPITAL MANAGEMENT
$14K
Where the outside money comes from
How much of the outside spending for and against Katherine M. Clark comes from groups that disclose their donors versus groups that hide them
Total outside spending received
$7K
Disclosed outside spending
$7K
Dark-money outside spending
$8
Share that is dark money
0.12%
Dark money tied to their policy areas
$0
Groups hiding their donors
1
By funding network
AFT SOLIDARITY
$2K
DEMOCRACY PAC
$124
SIERRA CLUB INDEPENDENT ACTION
$40
HUMAN RIGHTS CAMPAIGN EQUALITY VOTES PAC
$12
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
— ◊ —
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.
400 individuals who also gave to pro-Israel PACs contributed $4.07M to Katherine M. Clark across 628 contributions.
Total from shared contributors
$4.07M
Shared contributors
400
Contributions
628
By cycle
| Cycle | Shared donors | Gifts | Total |
|---|---|---|---|
| 2022 | 45 | 53 | $965K |
| 2024 | 261 | 325 | $2.14M |
| 2026 | 165 | 250 | $974K |
— ◊ —
Katherine M. Clark'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