Katherine Porter
Democrat
· CA-47 · 119th Congress
Influence Score
0.0
Not scored
— ◊ —
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
$9,209,014
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
— ◊ —
Biggest funding source
The single network behind the most money and influence
No top sponsor identified.
— ◊ —
Who funds Porter
Every funding network we can measure, ranked by influence
No sponsor relationships on file.
— ◊ —
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%
— ◊ —
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
ULINE
$33.28M
BLOOMBERG
$31.18M
CITADEL ASSET MANAGEMENT
$27.00M
SIG
$20.00M
NEWSWEB
$16.30M
ADELSON DRUG CLINIC
$12.50M
THE BLACKSTONE
$10.69M
RYAN SPECIALTY
$10.25M
REYES
$9.21M
SAND HILLS PUBLISHING
$7.50M
THE CHARLES SCHWAB
$7.50M
EUCLIDEAN CAPITAL
$6.51M
FEDERAL AVIATION ADMINISTRATION
$6.33M
EMC
$6.26M
FTX
$6.16M
INTERACTIVE BROKERS
$5.00M
HENDRICKS HOLDING
$4.50M
MOUNTAIRE
$4.00M
MARCUS MILLICHAP
$3.42M
GREYLOCK
$2.91M
Where the outside money comes from
How much of the outside spending for and against Katherine Porter comes from groups that disclose their donors versus groups that hide them
Total outside spending received
$10.01M
Disclosed outside spending
$9.93M
Dark-money outside spending
$87K
Share that is dark money
0.87%
Dark money tied to their policy areas
$72K
Groups hiding their donors
5
By funding network
SLF PAC
$10.65M
VOTE FOR EQUALITY
$2.80M
CLUB FOR GROWTH ACTION
$2.29M
NATIONAL ASSOCIATION OF REALTORS CONGRESSIONAL FUND
$1.76M
NEW REPUBLICAN PAC
$970K
NRCC
$703K
CALIFORNIA REAL ESTATE POLITICAL ACTION COMMITTEE/FEDERAL - CALIFORNIA ASSOCIATION OF REALTORS
$386K
HOUSE MAJORITY PAC NETWORK
$254K
NEXTGEN CLIMATE ACTION COMMITTEE
$244K
WOMEN VOTE
$242K
DCCC
$166K
STOP SOCIALISM IN OC
$138K
PLANNED PARENTHOOD OF ORANGE AND SAN BERNARDINO COUNTIES' COMMUNITY ACTION FUND PAC
$123K
PROGRESSIVE TURNOUT PROJECT
$96K
LCV VICTORY FUND
$64K
Groups that hide their donors
$64K
$11K
$8K
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.
96 individuals who also gave to pro-Israel PACs contributed $11.14M to Katherine Porter across 240 contributions.
Total from shared contributors
$11.14M
Shared contributors
96
Contributions
240
By cycle
| Cycle | Shared donors | Gifts | Total |
|---|---|---|---|
| 2022 | 95 | 174 | $95K |
| 2024 | 2 | 66 | $11.04M |
— ◊ —
Revolving Door
2 former staff members
who worked for Katherine Porter or the committees they serve are now registered lobbyists.
| Lobbyist | Former position | Firm | Clients | Filings | Years |
|---|---|---|---|---|---|
| JOONSOO YI | Legislative Aide/Field Representative for U.S. Rep. Katie Porter, 07/2020 - 08/2… | THE FERGUSON GROUP, LLC | 2 | 2 | 2023–2023 |
| PAUL GREEN | Legislative Assistant, U.S. Representative Katie Porter | NATIONAL SAFETY COUNCIL | 1 | 1 | 2025–2025 |
— ◊ —
Katherine Porter 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