Politician
Mike Thompson
Democrat · California · ran 4 times since 2020, won 3 · incumbent
FEC candidate H8CA01109
Mike Thompson (Democrat) raised $5.5M for the 2026 California 4th District race, $2.4M of it from PACs, and outside groups spent $2.0M for and $2.7M against them (FEC filings through Oct 14, 2026). The race has not been called yet.
Raised, all runs
$12M
2026, 2024, 2022, 2020
From PAC checks
54%
$6.7M from corporations, trade groups, unions and politicians
Outside money for
$2.0M
Super PACs and party groups helping
Outside money against
$2.7M
Spent attacking them
54% of Mike Thompson'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 | California 4th District | $5.5M | 45% | $2.0M / $2.7M | $101K | $10M | … Counting |
| 2024 | California 4th District | $2.4M | 61% | $25K / $0 | $3K | $2.5M | ✓ Won |
| 2022 | California 4th District | $2.3M | 56% | $0 / $0 | $7K | $2.3M | ✓ Won |
| 2020 | California 5th District | $2.2M | 66% | $0 / $0 | $700 | $2.2M | ✓ Won |
Who wrote the checks
The PACs that gave the most across every run, and what kind of money it is.
Corporate $2.7MTrade group $1.4MMembership $757KOther $529KUnion $452KLeadership PAC $256KSuper PAC $43KParty $3K
- America's Credit Unions PACTrade groupLobbyist PAC$22K
- The Doctors Company Federal PAC (Docpac)Membership$20K
- Edison International PACCorporateLobbyist PAC$20K
- Deloitte Political Action CommitteeOtherLobbyist PAC$20K
- National Multifamily Housing Council Political Action CommitteeTrade groupLobbyist PAC$20K
- American Institute of Certified Public Accountants Political Action CommitteeMembershipLobbyist PAC$15K
- National Association of Letter Carriers of U.S.a. Political Fund (Letter Carrier Political Fund)UnionLobbyist PAC$13K
- Pinnacle West Capital Corporation PACCorporateLobbyist PAC$11K
- American Council of Engineering Companies (Acec/PAC)Trade groupLobbyist PAC$11K
- American Investment Council Political Action CommitteeTrade groupLobbyist PAC$10K
- The Council of Insurance Agents & Brokers Political Action CommitteeMembershipLobbyist PAC$10K
- Employee Owned S Corporations of America PAC (Esca PAC)Trade groupLobbyist PAC$10K
Outside money, for and against
Super PACs and party groups that spent the most on these races.
- New Leadership Nowagainst $2.7M
- Article One PACfor $794K
- Center Forward Committeefor $750K
- American Hospital Association PACfor $275K
- National Association of Realtors Political Action Committeefor $64K
- With Honor Fund II, Inc.for $15K
- Cooperative of American Physicians Independent Expenditure Committeefor $10K
The payback
How they voted on their funders' bills
On the 31 key votes where Mike Thompson had taken $10K+ from the industry with a stake, they voted the industry's way 9 times (29%). 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 | $65K | Nay · against |
| Stop Insider Trading ActHouse · 2026 · 232–198 | Members who trade stocks wanted nay | – | Nay · with industry |
| Faster Labor Contracts ActHouse · 2026 · 230–193 | Labor unions wanted yea | $529K | 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 | $340K$108K | Yea · with industryYea · against |
| Farm, Food, and National Security ActHouse · 2026 · 224–200 | Agriculture, food and retail wanted yea | $340K | Nay · against |
| Affordable HOMES ActHouse · 2026 · 263–147 | Real estate and construction wanted yea | $154K | Nay · against |
| Protect America's Workforce ActHouse · 2025 · 231–195 | Labor unions wanted yea | $529K | Yea · with industry |
| ANWR coastal plain leasingHouse · 2025 · 217–209 | Oil, gas and coal wanted yea | $108K | Nay · against |
| NDAA FY2026House · 2025 · 231–196 | Defense contractors wanted yea | $65K | Nay · against |
| GENIUS Act (stablecoins)House · 2025 · 308–122 | Crypto wanted yea | $12 | Yea · with industry |
| CLARITY Act (crypto market structure)House · 2025 · 294–134 | Crypto wanted yea | $12 | Yea · with industry |
| One Big Beautiful Bill ActHouse · 2025 · 218–214 | Oil, gas and coal wanted yeaWall Street and hedge funds wanted yea | $108K$630K | Nay · againstNay · against |
| OCC bank merger rule repealHouse · 2025 · 220–207 | Wall Street and hedge funds wanted yea | $630K | Nay · against |
| California clean cars waiver repealHouse · 2025 · 246–164 | Oil, gas and coal wanted yea | $108K | Nay · against |
| CFPB overdraft rule repealHouse · 2025 · 217–211 | Wall Street and hedge funds wanted yea | $630K | Nay · against |
| IRS DeFi broker rule repealHouse · 2025 · 292–132 | Crypto wanted yea | $12 | Nay · against |
| Methane waste emissions charge repealHouse · 2025 · 220–206 | Oil, gas and coal wanted yea | $108K | Nay · against |
| FIT21 (crypto market structure)House · 2024 · 279–136 | Crypto wanted yea | $12 | Yea · with industry |
| Israel Security Assistance Support ActHouse · 2024 · 224–187 | Pro-Israel groups wanted yea | $11K | Nay · against |
| SAB 121 repealHouse · 2024 · 228–182 | Crypto wanted yea | $12 | Nay · against |
| Antisemitism Awareness ActHouse · 2024 · 320–91 | Pro-Israel groups wanted yea | $11K | Yea · with industry |
| Israel security supplemental (Apr 2024)House · 2024 · 366–58 | Pro-Israel groups wanted yea | $11K | Yea · with industry |
| Ukraine security supplementalHouse · 2024 · 311–112 | Defense contractors wanted yea | $65K | Yea · with industry |
| Protecting Health Care for All Patients ActHouse · 2024 · 211–208 | Pharma and health care wanted yea | $831K | Nay · against |
| Joint-employer rule repealHouse · 2024 · 206–177 | Labor unions wanted nay | $529K | Nay · with industry |
| NDAA FY2024House · 2023 · 310–118 | Defense contractors wanted yea | $65K | Yea · with industry |
| Israel aid (Nov 2023)House · 2023 · 226–196 | Pro-Israel groups wanted yea | $11K | 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 | $108K | Nay · against |
| Strategic Production Response ActHouse · 2023 · 221–205 | Oil, gas and coal wanted yea | $108K | Nay · against |
| Merger Filing Fee Modernization ActHouse · 2022 · 242–184 | Tech and AI wanted nay | $78K | 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 | $108K$831K$630K | 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 | $831K | 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 | $529K | Yea · with industry |
The revolving door
4 former aides now lobbying
Lobbyists who list a job in Mike Thompson's office among the government positions they held, and who they now work for. A former staffer gets the meeting.
Elizabeth MurrayFormer congressional staff
Senior Policy Advisor, Democratic Whip Steny Hoyer; Legislative Asst. for Rep. Mike Thompson, Rep. Bob Matsui, and Senator Bob Graham
Now lobbies for Merck, Amgen INC, Elevance Health, INC (f.K.A. Anthem, INC. & Wellpoint, INC.), Eli Lilly And Company and 8 more · via Tarplin, Downs & Young, LLC
Crozer ConnorFormer congressional staff
Rep. Mike Thompson, Staff Assistant(2015-2016); Rep. Mike Thompson, Leg. Correspondent(2016-2017); Rep. Mike Thompson, Leg. Assistant (2017-2020); Rep. Mike …
Now lobbies for Humana INC
Nicholas OrnsteinFormer congressional staff
Legislative Assistant, Rep. Mike Thompson (CA); Staff Assistant, Rep. Mike Thompson
Now lobbies for T-Mobile USA, INC. · via Twinlogic Strategies, LLP
Elizabeth Easton (name Error - Not A Real Person)Former congressional staff
Senior Policy Advisor, Democratic Whip Steny Hoyer; Legislative Asst. for Rep. Mike Thompson, Rep. Bob Matsui, and Senator Bob Graham
Now lobbies for Vertex Pharmaceuticals Incorporated · via Tarplin, Downs & Young, LLC
Figures are the candidate's principal committees as filed with the FEC, cycle by cycle. See About the data.
Questions people ask
- Who funded Mike Thompson's 2026 campaign?
- Mike Thompson (Democrat) raised $5.5M for the 2026 California 4th District race, $2.4M of it from PACs, and outside groups spent $2.0M for and $2.7M against them (FEC filings through Oct 14, 2026). The race has not been called yet.
- Which PACs gave the most to Mike Thompson?
- America's Credit Unions PAC ($12K), Pinnacle West Capital Corporation PAC ($11K), American Investment Council Political Action Committee ($10K), Edison International PAC ($10K), The Council of Insurance Agents & Brokers Political Action Committee ($10K) in 2026.
- Which super PACs spent on Mike Thompson's race?
- New Leadership Now ($2.7M against), Article One PAC ($794K for), Center Forward Committee ($750K for) in 2026.
- How much has Mike Thompson raised across elections?
- $5.5M in 2026 (California 4th District), $2.4M in 2024 (California 4th District), $2.3M in 2022 (California 4th District), $2.2M in 2020 (California 5th District).