
Katherine Clark
U.S. House of Representatives
Career total · all 23 groups
$13.0M
in tracked money to Katherine Clark across every election cycle on file: PAC contributions, individual contributions, employer matches, and independent expenditures made in support.
Largest groups
- Organized Labor$1,750,05013.5%
- Finance, Securities & Banking$1,600,60012.3%
- Pro-Israel Lobby$1,590,84212.2%
All 23 groups
- Pharmaceuticals & Health Products$1,177,105
- Big Tech & Telecom$1,000,047
- Insurance$932,150
- Health Professionals$846,799
- Real Estate$682,800
- Defense Industry$653,389
- Lobbyists & Big Law$434,075
- Environment$363,193
- Transportation & Auto$351,600
- Retail & Restaurants$332,700
- Accounting$308,150
- Alcohol, Tobacco & Betting$301,250
- Electric Utilities$184,250
- Construction & Engineering$141,650
- Agribusiness$131,260
- Trial Lawyers$101,250
- Cryptocurrency$57,150
- Artificial Intelligence$37,000
- Oil & Gas$22,671
- Gun Lobby$7,839
Contributions by election cycle
- 2010$0
- 2012$0
- 2014$824,455
- 2016$781,465
- 2018$846,847
- 2020$1,304,985
- 2022$1,914,218
- 2024$4,102,750
- 2026$3,233,100
- Organized Labor
- Finance, Securities & Banking
- Pro-Israel Lobby
- Pharmaceuticals & Health Products
- Big Tech & Telecom
- Insurance
- Health Professionals
- Real Estate
- Defense Industry
- Lobbyists & Big Law
- Environment
- Transportation & Auto
- Retail & Restaurants
- Accounting
- Alcohol, Tobacco & Betting
- Electric Utilities
- Construction & Engineering
- Agribusiness
- Trial Lawyers
- Cryptocurrency
- Artificial Intelligence
- Oil & Gas
- Gun Lobby
Show the table
| Cycle | Organized Labor | Finance, Securities & Banking | Pro-Israel Lobby | Pharmaceuticals & Health Products | Big Tech & Telecom | Insurance | Health Professionals | Real Estate | Defense Industry | Lobbyists & Big Law | Environment | Transportation & Auto | Retail & Restaurants | Accounting | Alcohol, Tobacco & Betting | Electric Utilities | Construction & Engineering | Agribusiness | Trial Lawyers | Cryptocurrency | Artificial Intelligence | Oil & Gas | Gun Lobby | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $288,000 | $439,250 | $324,750 | $274,600 | $244,400 | $321,750 | $202,000 | $125,450 | $194,250 | $53,000 | $70,150 | $120,500 | $123,000 | $105,750 | $90,000 | $128,000 | $51,500 | $25,500 | $20,750 | $28,000 | $0 | $2,000 | $500 | $3,233,100 |
| 2024 | $381,550 | $609,900 | $622,077 | $334,205 | $354,100 | $332,300 | $281,650 | $171,550 | $175,250 | $180,650 | $99,018 | $111,700 | $95,150 | $100,200 | $72,450 | $41,250 | $41,200 | $32,000 | $23,550 | $23,300 | $10,600 | $8,100 | $1,000 | $4,102,750 |
| 2022 | $282,000 | $242,500 | $151,283 | $184,050 | $186,400 | $104,400 | $119,810 | $183,700 | $98,500 | $69,650 | $33,525 | $51,000 | $36,900 | $44,800 | $53,800 | $3,500 | $18,000 | $26,900 | $7,000 | $5,800 | $9,700 | $0 | $1,000 | $1,914,218 |
| 2020 | $203,500 | $147,800 | $136,200 | $135,650 | $101,310 | $73,850 | $70,800 | $79,000 | $85,300 | $47,625 | $46,200 | $29,000 | $43,050 | $34,550 | $30,500 | $7,500 | $4,000 | $15,500 | $7,500 | $50 | $4,600 | $1,000 | $500 | $1,304,985 |
| 2018 | $187,500 | $59,500 | $103,350 | $88,650 | $38,747 | $36,200 | $76,450 | $33,500 | $46,700 | $27,900 | $36,350 | $18,500 | $8,200 | $10,200 | $34,000 | $2,250 | $7,700 | $18,000 | $9,000 | $0 | $2,900 | $1,250 | $0 | $846,847 |
| 2016 | $215,500 | $41,500 | $103,665 | $93,150 | $37,390 | $39,250 | $54,600 | $38,650 | $31,750 | $16,500 | $29,750 | $3,500 | $11,000 | $6,000 | $13,500 | $250 | $13,750 | $12,610 | $12,700 | $0 | $3,700 | $2,750 | $0 | $781,465 |
| 2014 | $192,000 | $60,150 | $149,517 | $66,800 | $37,700 | $24,400 | $41,489 | $50,950 | $21,639 | $38,750 | $48,200 | $17,400 | $15,400 | $6,650 | $7,000 | $1,500 | $5,500 | $750 | $20,750 | $0 | $5,500 | $7,571 | $4,839 | $824,455 |
2026 race: Massachusetts, 5th District
| Candidate | Party | Career | 2026 cycle | Top group |
|---|---|---|---|---|
| Katherine Clarkincumbent | Democrat | $13,007,820 | $3,233,100 | Organized Labor |
| Jonathan Paz | Democrat | $800 | $800 | Retail & Restaurants |
| Tarik Samman | Democrat | $0 | $0 | — |
3 candidates with a principal campaign committee. Combined figures sum every group; a dollar tagged into two groups is counted twice.
Top 100 of 1805 contributors
$107,000
View FEC filing: 1
INT'L ASSOCIATION OF BRIDGE, STRUCTURAL, ORNAMENTAL AND REINFORCING IRON WORKERS (IPAL)
Organized LaborPAC: $80,000Leadership PAC: $25,000
$105,000
View FEC filing: 1
AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E
Organized LaborPAC: $73,500Leadership PAC: $30,000
$103,500
View FEC filing: 1
NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE
Real EstatePAC: $58,000Leadership PAC: $45,000
$103,000
View FEC filing: 1
AMERICA'S CREDIT UNIONS PAC OF CREDIT UNION NATIONAL ASSOCIATION, INC.
Finance, Securities & BankingPAC: $56,000Leadership PAC: $45,000
$101,000
View FEC filing: 1
LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC
Organized LaborPAC: $65,000Leadership PAC: $35,000
$100,000
View FEC filing: 1
EMPLOYEES OF RTX CORPORATION POLITICAL ACTION COMMITTEE
Defense IndustryPAC: $68,500Leadership PAC: $30,000
$98,500
View FEC filing: 1
ANHEUSER-BUSCH COMPANIES LLC POLITICAL ACTION COMMITTEE
Alcohol, Tobacco & BettingPAC: $50,000Leadership PAC: $45,000
$95,000
View FEC filing: 1
NEW YORK LIFE INSURANCE COMPANY POLITICAL ACTION COMMITTEE
InsurancePAC: $52,000Leadership PAC: $40,000
$92,000
View FEC filing: 1
$88,000
View FEC filing: 1
NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE
Alcohol, Tobacco & BettingPAC: $53,000Leadership PAC: $32,500
$85,500
View FEC filing: 1
FMR LLC POLITICAL ACTION COMMITTEE - FEDERAL (FIDELITY PAC)
Finance, Securities & BankingPAC: $45,000Leadership PAC: $40,000
$85,000
View FEC filing: 1
AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC)
Trial LawyersPAC: $62,500Leadership PAC: $20,000
$82,500
View FEC filing: 1
GENERAL DYNAMICS CORPORATION POLITICAL ACTION COMMITTEE (GENERAL DYNAMICS EMPLOYEE PAC)
Defense IndustryPAC: $46,000Leadership PAC: $34,500
$80,500
View FEC filing: 1
AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION
Organized LaborPAC: $68,500Leadership PAC: $10,000
$78,500
View FEC filing: 1
INTERNATIONAL ASSOCIATION OF FIREFIGHTERS INTERESTED IN REGISTRATION AND EDUCATION PAC
Organized LaborPAC: $50,000Leadership PAC: $27,500
$77,500
View FEC filing: 1
ENGINEERS POLITICAL EDUCATION COMMITTEE (EPEC)/INTERNATIONAL UNION OF OPERATING ENGINEERS
Organized LaborPAC: $77,000
$77,000
View FEC filing: 1
$77,000
View FEC filing: 1
COMCAST CORPORATION & NBCUNIVERSAL POLITICAL ACTION COMMITTEE - FEDERAL
Big Tech & TelecomPAC: $41,500Leadership PAC: $35,000
$76,500
View FEC filing: 1
NATIONAL MULTIFAMILY HOUSING COUNCIL AND REAL ESTATE TECHNOLOGY AND TRANSFORMATION CENTER POLITICAL ACTION COMMITTEE (NMHC PAC)
Real EstatePAC: $40,500Leadership PAC: $35,000
$75,500
View FEC filing: 1
AT&T INC. EMPLOYEE FEDERAL POLITICAL ACTION COMMITTEE (AT&T EMPLOYEE FEDERAL PAC)
Big Tech & TelecomPAC: $43,500Leadership PAC: $29,000
$72,500
View FEC filing: 1
$71,000
View FEC filing: 1
$70,000
View FEC filing: 1
MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS
Organized LaborPAC: $65,000Leadership PAC: $5,000
$70,000
View FEC filing: 1
MORTGAGE BANKERS ASSOCIATION POLITICAL ACTION COMMITTEE (MORPAC)
Finance, Securities & BankingPAC: $35,000Leadership PAC: $35,000
$70,000
View FEC filing: 1
$69,500
View FEC filing: 1
CHARTER COMMUNICATIONS INC. POLITICAL ACTION COMMITTEE
Big Tech & TelecomPAC: $38,500Leadership PAC: $27,500
$66,000
View FEC filing: 1
CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS
Organized LaborPAC: $65,000
$65,000
View FEC filing: 1
INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE
Organized LaborPAC: $30,000Leadership PAC: $35,000
$65,000
View FEC filing: 1
$65,000
View FEC filing: 1
$65,000
View FEC filing: 1
$64,500
View FEC filing: 1
D.R.I.V.E. - DEM, REP, IND VOTER ED (THE PAC OF THE INT'L BRHD OF TEAMSTERS)
Organized LaborPAC: $61,000
$61,000
View FEC filing: 1
NATIONAL ASSOCIATION OF LETTER CARRIERS OF U.S.A. POLITICAL FUND (LETTER CARRIER POLITICAL FUND)
Organized LaborPAC: $36,000Leadership PAC: $25,000
$61,000
View FEC filing: 1
NCTA - THE INTERNET & TELEVISION ASSOCIATION POLITICAL ACTION COMMITTEE (NCTAPAC)
Big Tech & TelecomPAC: $33,500Leadership PAC: $27,500
$61,000
View FEC filing: 1
GENERAL MOTORS COMPANY POLITICAL ACTION COMMITTEE (GM PAC)
Transportation & AutoPAC: $34,500Leadership PAC: $25,000
$59,500
View FEC filing: 1
INVESTMENT COMPANY INSTITUTE POLITICAL ACTION COMMITTEE (ICI PAC)
Finance, Securities & BankingPAC: $29,250Leadership PAC: $29,500
$58,750
View FEC filing: 1
AMERICAN COLLEGE OF RADIOLOGY ASSOCIATION PAC
Health ProfessionalsPAC: $47,500Leadership PAC: $10,000
$57,500
View FEC filing: 1
THE HOME DEPOT INC. POLITICAL ACTION COMMITTEE
Retail & RestaurantsPAC: $30,000Leadership PAC: $27,500
$57,500
View FEC filing: 1
$57,000
View FEC filing: 1
INDEPENDENT INSURANCE AGENTS & BROKERS OF AMERICA, INC. POLITICAL ACTION COMMITTEE (INSURPAC)
InsurancePAC: $33,500Leadership PAC: $22,500
$56,000
View FEC filing: 1
SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION)
Organized LaborPAC: $50,000Leadership PAC: $5,000
$55,000
View FEC filing: 1
INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE
Organized LaborPAC: $41,500Leadership PAC: $12,500
$54,000
View FEC filing: 1
$53,700
View FEC filing: 1
INTERNATIONAL UNION OF PAINTERS AND ALLIED TRADES POLITICAL ACTION TOGETHER POLITICAL COMMITTEE
Organized LaborPAC: $53,500
$53,500
View FEC filing: 1
$53,000
View FEC filing: 1
AMERICAN CRYSTAL SUGAR COMPANY POLITICAL ACTION COMMITTEE
AgribusinessPAC: $47,500Leadership PAC: $5,000
$52,500
View FEC filing: 1
$51,000
View FEC filing: 1
TRANSPORT WORKERS UNION OF AMERICA POLITICAL CONTRIBUTIONS COMMITTEE
Organized LaborPAC: $25,000Leadership PAC: $26,000
$51,000
View FEC filing: 1
$50,000
View FEC filing: 1
HUNTINGTON INGALLS INDUSTRIES, INC. EMPLOYEES POLITICAL ACTION COMMITTEE (HIIPAC)
Defense IndustryPAC: $33,000Leadership PAC: $15,000
$48,000
View FEC filing: 1
BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC)
Real EstatePAC: $27,500Leadership PAC: $20,000
$47,500
View FEC filing: 1
$46,500
View FEC filing: 1
$46,500
View FEC filing: 1
$45,500
View FEC filing: 1
ZENECA INC. POLITICAL ACTION COMMITTEE (AZPAC)
Pharmaceuticals & Health ProductsPAC: $33,000Leadership PAC: $12,500
$45,500
View FEC filing: 1
$45,000
View FEC filing: 1
SANOFI US SERVICES INC. EMPLOYEES' POLITICAL ACTION COMMITTEE
Pharmaceuticals & Health ProductsPAC: $40,000Leadership PAC: $5,000
$45,000
View FEC filing: 1
$44,500
View FEC filing: 1
NATIONAL RURAL ELECTRIC COOPERATIVE ASSOCIATION AMERICA'S ELECTRIC COOPERATIVES PAC
Electric UtilitiesPAC: $24,500Leadership PAC: $20,000
$44,500
View FEC filing: 1
$43,510
View FEC filing: 1
LOWE'S COMPANIES, INC. POLITICAL ACTION COMMITTEE
Retail & RestaurantsPAC: $31,000Leadership PAC: $12,500
$43,500
View FEC filing: 1
$43,500
View FEC filing: 1
NATIONAL ASSOCIATION OF BROADCASTERS POLITICAL ACTION COMMITTEE (NABPAC)
Big Tech & TelecomPAC: $28,100Leadership PAC: $15,000
$43,100
View FEC filing: 1
LOCKHEED MARTIN CORPORATION EMPLOYEES' POLITICAL ACTION COMMITTEE
Defense IndustryPAC: $27,000Leadership PAC: $16,000
$43,000
View FEC filing: 1
THE COUNCIL OF INSURANCE AGENTS & BROKERS POLITICAL ACTION COMMITTEE
InsurancePAC: $22,750Leadership PAC: $20,000
$42,750
View FEC filing: 1
AMERICAN INSTITUTE OF CERTIFIED PUBLIC ACCOUNTANTS POLITICAL ACTION COMMITTEE
AccountingPAC: $22,500Leadership PAC: $20,000
$42,500
View FEC filing: 1
VERIZON COMMUNICATIONS, INC. POLITICAL ACTION COMMITTEE (VERIZON PAC)
Big Tech & TelecomPAC: $31,000Leadership PAC: $11,000
$42,000
View FEC filing: 1
BRISTOL-MYERS SQUIBB COMPANY POLITICAL ACTION COMMITTEE
Pharmaceuticals & Health ProductsPAC: $31,500Leadership PAC: $10,000
$41,500
View FEC filing: 1
AMERICAN LAND TITLE ASSOCIATION TITLE INDUSTRY PAC (TIPAC)
Real EstatePAC: $21,000Leadership PAC: $20,000
$41,000
View FEC filing: 1
HONEYWELL INTERNATIONAL POLITICAL ACTION COMMITTEE
Defense IndustryPAC: $31,000Leadership PAC: $10,000
$41,000
View FEC filing: 1
TAKEDA PHARMACEUTICALS AMERICA INC. POLITICAL ACTION COMMITTEE
Pharmaceuticals & Health ProductsPAC: $40,000
$40,000
View FEC filing: 1
AMERICAN ACADEMY OF DERMATOLOGY ASSOCIATION POLITICAL ACTION COMMITTEE (SKINPAC)
Health ProfessionalsPAC: $24,500Leadership PAC: $15,000
$39,500
View FEC filing: 1
$39,500
View FEC filing: 1
VERTEX PHARMACEUTICALS INCORPORATED POLITICAL ACTION COMMITTEE (VPAC)
Pharmaceuticals & Health ProductsPAC: $32,000Leadership PAC: $7,500
$39,500
View FEC filing: 1
$39,000
View FEC filing: 1
AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE
Pharmaceuticals & Health ProductsPAC: $28,000Leadership PAC: $10,000
$38,000
View FEC filing: 1
ELI LILLY AND COMPANY POLITICAL ACTION COMMITTEE
Pharmaceuticals & Health ProductsPAC: $24,500Leadership PAC: $13,000
$37,500
View FEC filing: 1
FEDEX CORPORATION POLITICAL ACTION COMMITTEE
Transportation & AutoPAC: $14,500Leadership PAC: $23,000
$37,500
View FEC filing: 1
$37,500
View FEC filing: 1
NATIONAL APARTMENT ASSOCIATION POLITICAL ACTION COMMITTEE
Real EstatePAC: $25,000Leadership PAC: $12,500
$37,500
View FEC filing: 1
UNITEDHEALTH GROUP INCORPORATED PAC (UNITEDHEALTH GROUP PAC)
Pharmaceuticals & Health ProductsPAC: $27,500Leadership PAC: $10,000
$37,500
View FEC filing: 1
AMERICAN COUNCIL OF ENGINEERING COMPANIES (ACEC/PAC)
Construction & EngineeringPAC: $32,000Leadership PAC: $5,000
$37,000
View FEC filing: 1
NATIONAL ASSOCIATION OF REAL ESTATE INVESTMENT TRUSTS, INC. POLITICAL ACTION COMMITTEE
Real EstatePAC: $27,000Leadership PAC: $10,000
$37,000
View FEC filing: 1
$36,500
View FEC filing: 1
WINE AND SPIRITS WHOLESALERS OF AMERICA, INC. POLITICAL ACTION COMMITTEE
Alcohol, Tobacco & BettingPAC: $31,500Leadership PAC: $5,000
$36,500
View FEC filing: 1
BAE SYSTEMS INC. POLITICAL ACTION COMMITTEE (BAE SYSTEMS USA PAC)
Defense IndustryPAC: $23,500Leadership PAC: $12,500
$36,000
View FEC filing: 1
BLACKROCK FUNDS SERVICES GROUP LLC POLITICAL ACTION COMMITTEE (BLACKROCK PAC)
Finance, Securities & BankingPAC: $20,000Leadership PAC: $15,000
$35,000
View FEC filing: 1
$35,000
View FEC filing: 1
UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION ACTIVE BALLOT CLUB
Organized LaborPAC: $35,000
$35,000
View FEC filing: 1
STATE STREET BANK AND TRUST COMPANY VOLUNTARY POLITICAL ACTION COMMITTEE
Finance, Securities & BankingPAC: $34,500
$34,500
View FEC filing: 1
AMERICAN PROPERTY CASUALTY INSURANCE ASSOCIATION POLITICAL ACTION COMMITTEE (INSURING AMERICA PAC)
InsurancePAC: $25,000Leadership PAC: $9,000
$34,000
View FEC filing: 1
MICROSOFT CORPORATION STAKEHOLDERS VOLUNTARY PAC - MSVPAC
Big Tech & TelecomPAC: $30,500Leadership PAC: $3,500
$34,000
View FEC filing: 1
AMERICAN BANKERS ASSOCIATION PAC (BANKPAC)
Finance, Securities & BankingPAC: $21,000Leadership PAC: $12,500
$33,500
View FEC filing: 1
BOSTON SCIENTIFIC CORPORATION POLITICAL ACTION COMMITTEE (BSC PAC)
Pharmaceuticals & Health ProductsPAC: $33,500
$33,500
View FEC filing: 1
JPMORGAN CHASE & CO. FEDERAL POLITICAL ACTION COMMITTEE
Finance, Securities & BankingPAC: $20,500Leadership PAC: $12,500
$33,000
View FEC filing: 1
BIOGEN INC. POLITICAL ACTION COMMITTEE A.K.A 'BIOGEN PAC'
Pharmaceuticals & Health ProductsPAC: $32,500
$32,500
View FEC filing: 1
DELL TECHNOLOGIES, INC. POLITICAL ACTION COMMITTEE
Big Tech & TelecomPAC: $22,500Leadership PAC: $10,000
$32,500
View FEC filing: 1
NATIONAL ELECTRICAL CONTRACTORS ASSOCIATION POLITICAL ACTION COMMITTEE
Construction & EngineeringPAC: $20,000Leadership PAC: $12,500
$32,500
View FEC filing: 1
AMERICAN HEALTH CARE ASSOCIATION POLITICAL ACTION COMMITTEE
Health ProfessionalsPAC: $27,000Leadership PAC: $5,000
$32,000
View FEC filing: 1