Politician
Katherine Clark
Democrat · Massachusetts · ran 4 times since 2020, won 4 · incumbent
FEC candidate H4MA05084
Katherine Clark (Democrat) raised $5.0M for the 2026 Massachusetts 5th District race, $2.1M of it from PACs, and outside groups spent $0 for and $0 against them (FEC filings through Oct 14, 2026). They won.
Raised, all runs
$14M
2026, 2024, 2022, 2020
From PAC checks
46%
$6.5M from corporations, trade groups, unions and politicians
Outside money for
$500
Super PACs and party groups helping
Outside money against
$0
Spent attacking them
46% of Katherine Clark's campaign money came from PAC checks, not from people. That is one of the heaviest reliances on organised money in Congress.
Every run
Each general election, with the money behind it and the result.
| Cycle | Race | Raised | PAC share | Outside for / against | Google ads | All money | Result |
|---|---|---|---|---|---|---|---|
| 2026 | Massachusetts 5th District | $5.0M | 42% | $0 / $0 | $69K | $5.0M | ✓ Won |
| 2024 | Massachusetts 5th District | $5.0M | 46% | $0 / $0 | – | $5.0M | ✓ Won |
| 2022 | Massachusetts 5th District | $2.2M | 56% | $0 / $0 | – | $2.2M | ✓ Won |
| 2020 | Massachusetts 5th District | $1.8M | 46% | $500 / $0 | – | $1.8M | ✓ Won |
Who wrote the checks
The PACs that gave the most across every run, and what kind of money it is.
Corporate $3.5MTrade group $1.2MUnion $778KMembership $476KOther $455KSuper PAC $62KLeadership PAC $25K
- General Dynamics Corporation Political Action Committee (General Dynamics Employee PAC)CorporateLobbyist PAC$31K
- Engineers Political Education Committee (Epec)/International Union of Operating EngineersUnionLobbyist PAC$28K
- National Air Traffic Controllers Association PACUnionLobbyist PAC$23K
- National Association of Broadcasters Political Action Committee (Nabpac)Trade groupLobbyist PAC$21K
- The Boeing Company Political Action CommitteeCorporateLobbyist PAC$21K
- Lpl Financial LLC Political Action Committee (Lpl PAC)CorporateLobbyist PAC$18K
- Machinists Non Partisan Political League of the International Association of Machinists & Aerospace WorkersUnionLobbyist PAC$15K
- American Hospital Association PACTrade groupLobbyist PAC$15K
- Society of Thoracic Surgeons Political Action CommitteeMembershipLobbyist PAC$13K
- National Restaurant Association PAC (Restaurant PAC)MembershipLobbyist PAC$13K
- Huntington Ingalls Industries, Inc. Employees Political Action Committee (Hiipac)CorporateLobbyist PAC$12K
- Culac the PAC of Credit Union National AssociationTrade groupLobbyist PAC$12K
Outside money, for and against
Super PACs and party groups that spent the most on these races.
- Aft Solidarityfor $500
The payback
How they voted on their funders' bills
On the 24 key votes where Katherine Clark had taken $10K+ from the industry with a stake, they voted the industry's way 10 times (42%). Money is PAC checks plus credited super PAC support across every run since 2020; “with industry” is the vote the industry lobbied for.
| Vote | Industry | Their money from it | Voted |
|---|---|---|---|
| NDAA FY2027House · 2026 · 216–212 | Defense contractors wanted yea | $231K | Nay · against |
| Stop Insider Trading ActHouse · 2026 · 232–198 | Members who trade stocks wanted nay | $2.6M | Nay · with industry |
| Faster Labor Contracts ActHouse · 2026 · 230–193 | Labor unions wanted yea | $852K | Yea · with industry |
| Veterans 2nd Amendment Protection ActHouse · 2026 · 216–201 | Gun lobby wanted yea | – | Nay · against |
| Year-round E15House · 2026 · 218–203 | Agriculture, food and retail wanted yeaOil, gas and coal wanted nay | $516K$3K | Yea · with industryYea · against |
| Farm, Food, and National Security ActHouse · 2026 · 224–200 | Agriculture, food and retail wanted yea | $516K | Nay · against |
| Affordable HOMES ActHouse · 2026 · 263–147 | Real estate and construction wanted yea | $174K | Nay · against |
| Protect America's Workforce ActHouse · 2025 · 231–195 | Labor unions wanted yea | $852K | Yea · with industry |
| ANWR coastal plain leasingHouse · 2025 · 217–209 | Oil, gas and coal wanted yea | $3K | Nay · against |
| NDAA FY2026House · 2025 · 231–196 | Defense contractors wanted yea | $231K | Nay · against |
| GENIUS Act (stablecoins)House · 2025 · 308–122 | Crypto wanted yea | $3K | Yea · with industry |
| CLARITY Act (crypto market structure)House · 2025 · 294–134 | Crypto wanted yea | $3K | Nay · against |
| One Big Beautiful Bill ActHouse · 2025 · 218–214 | Oil, gas and coal wanted yeaWall Street and hedge funds wanted yea | $3K$600K | Nay · againstNay · against |
| OCC bank merger rule repealHouse · 2025 · 220–207 | Wall Street and hedge funds wanted yea | $600K | Nay · against |
| California clean cars waiver repealHouse · 2025 · 246–164 | Oil, gas and coal wanted yea | $3K | Nay · against |
| CFPB overdraft rule repealHouse · 2025 · 217–211 | Wall Street and hedge funds wanted yea | $600K | Nay · against |
| IRS DeFi broker rule repealHouse · 2025 · 292–132 | Crypto wanted yea | $3K | Nay · against |
| Methane waste emissions charge repealHouse · 2025 · 220–206 | Oil, gas and coal wanted yea | $3K | Nay · against |
| FIT21 (crypto market structure)House · 2024 · 279–136 | Crypto wanted yea | $3K | Yea · with industry |
| Israel Security Assistance Support ActHouse · 2024 · 224–187 | Pro-Israel groups wanted yea | $34K | Nay · against |
| SAB 121 repealHouse · 2024 · 228–182 | Crypto wanted yea | $3K | Nay · against |
| Antisemitism Awareness ActHouse · 2024 · 320–91 | Pro-Israel groups wanted yea | $34K | Yea · with industry |
| Israel security supplemental (Apr 2024)House · 2024 · 366–58 | Pro-Israel groups wanted yea | $34K | Yea · with industry |
| Ukraine security supplementalHouse · 2024 · 311–112 | Defense contractors wanted yea | $231K | Yea · with industry |
| Protecting Health Care for All Patients ActHouse · 2024 · 211–208 | Pharma and health care wanted yea | $972K | Nay · against |
| Joint-employer rule repealHouse · 2024 · 206–177 | Labor unions wanted nay | $852K | Nay · with industry |
| NDAA FY2024House · 2023 · 310–118 | Defense contractors wanted yea | $231K | Yea · with industry |
| Israel aid (Nov 2023)House · 2023 · 226–196 | Pro-Israel groups wanted yea | $34K | Nay · against |
| Pistol brace rule repealHouse · 2023 · 219–210 | Gun lobby wanted yea | – | Nay · against |
| Lower Energy Costs ActHouse · 2023 · 225–204 | Oil, gas and coal wanted yea | $3K | Nay · against |
| Strategic Production Response ActHouse · 2023 · 221–205 | Oil, gas and coal wanted yea | $3K | Nay · against |
| Merger Filing Fee Modernization ActHouse · 2022 · 242–184 | Tech and AI wanted nay | $238K | Yea · against |
| Inflation Reduction ActHouse · 2022 · 220–207 | Oil, gas and coal wanted nayPharma and health care wanted nayWall Street and hedge funds wanted nay | $3K$972K$600K | Yea · againstYea · againstYea · against |
| Assault Weapons Ban of 2022House · 2022 · 217–213 | Gun lobby wanted nay | – | Yea · against |
| Safer Communities Act (post-Uvalde)House · 2022 · 234–193 | Gun lobby wanted nay | – | Yea · against |
| Affordable Insulin Now ActHouse · 2022 · 232–193 | Pharma and health care wanted nay | $972K | Yea · against |
| Bipartisan Background Checks ActHouse · 2021 · 227–203 | Gun lobby wanted nay | – | Yea · against |
| PRO Act (union organising)House · 2021 · 225–206 | Labor unions wanted yea | $852K | Yea · with industry |
Their own portfolio
114 stock trades, worth $2.6M–$7.1M
Reported under the STOCK Act from 18 filings since 2021, including trades by a spouse or dependent child. 48 buys, 64 sells. Heaviest in telecom and media ($269K+), wall street and hedge funds ($109K+), agriculture, food and retail ($21K+).
Most traded
- PG Procter & Gamble Company$30K+2 trades
- KO Coca-Cola Company$15K+1 trades
- IRM Iron Mountain Incorporated$4K+4 trades
- AY Atlantica Sustainable Infrastructure plc - Ordinary Shares$3K+3 trades
- CSCO Cisco Systems, Inc.$3K+3 trades
- CCEP Coca-Cola Europacific Partners plc - Ordinary Shares$3K+3 trades
- HON Honeywell International Inc.$3K+3 trades
- MRK Merck & Company, Inc. Common Stock$3K+3 trades
Latest trades
- buyUNITED STATES TREAS SER AF- 2027; 4.125%2026-06-16 · government bond$15K–$50K
- buyUNITED STATES TREAS SER AF- 2027; 4.125%2026-06-16 · government bond$50K–$100K
- buyUNITED STATES TREAS SER AJ- 2028; 4.25%;2026-06-16 · government bond$50K–$100K
- buyUNITED STATES TREAS SER AJ- 2028; 4.25%;2026-06-16 · government bond$15K–$50K
- buyUNITED STATES TREAS SER AK- 2028; 4.25%;2026-06-16 · government bond$15K–$50K
- buyUNITED STATES TREAS SER AK- 2028; 4.25%;2026-06-16 · government bond$50K–$100K
- buyUNITED STATES TREAS SER AV- 2027; 4.0%; 2026-06-16 · government bond$15K–$50K
- buyUNITED STATES TREAS SER AV- 2027; 4.0%; 2026-06-16 · government bond$15K–$50K
Filings on the House Clerk's site.
The revolving door
1 former aide now lobbying
Lobbyists who list a job in Katherine Clark's office among the government positions they held, and who they now work for. A former staffer gets the meeting.
Annmarie Conboy-DepasqualeFormer congressional staff
Leg Intern Rep. Joe Kennedy III, Leg Intern, Rep. Katherine Clark
Now lobbies for National Multifamily Housing Council, Tyson Foods INC · via Brownstein Hyatt Farber Schreck, LLP
Figures are the candidate's principal committees as filed with the FEC, cycle by cycle. See About the data.
Questions people ask
- Who funded Katherine Clark's 2026 campaign?
- Katherine Clark (Democrat) raised $5.0M for the 2026 Massachusetts 5th District race, $2.1M of it from PACs, and outside groups spent $0 for and $0 against them (FEC filings through Oct 14, 2026). They won.
- Which PACs gave the most to Katherine Clark?
- Society of Thoracic Surgeons Political Action Committee ($13K), National Association of Broadcasters Political Action Committee (Nabpac) ($10K), American Academy of Dermatology Association Political Action Committee (Skinpac) ($10K), General Dynamics Corporation Political Action Committee (General Dynamics Employee PAC) ($10K), Liberty Mutual Insurance Company - PAC ($10K) in 2026.
- How much has Katherine Clark raised across elections?
- $5.0M in 2026 (Massachusetts 5th District), $5.0M in 2024 (Massachusetts 5th District), $2.2M in 2022 (Massachusetts 5th District), $1.8M in 2020 (Massachusetts 5th District).