June 2026 Primary Election
Last Modified: June 2, 2026
The lists below reflect top contributors as reported by committees that have raised at least $1,000,000 and are primarily formed to support or oppose a state ballot measure or a candidate for state office in the June 2026 primary election.
Top Contributors List
Aggregate Contributions to Support or Oppose a Ballot Measure or Candidate
The following are the total amount donated by top contributors to each state ballot measure that is pending Secretary of State verification or are still circulating for signatures. These lists reflect contributions as reported by Primarily Formed Committees.
| Office | Candidate | Aggregated Contributions |
|---|---|---|
| Governor | Matt Mahan | Support: $16,777,653.46 |
| Total from top contributors | $16,777,653.46 | |
| Office | Candidate | Aggregated Contributions |
|---|---|---|
| Governor | Eric Swalwell | Support: $12,755,500 |
| Total from top contributors | $12,755,500 |
|
| Office | Candidate | Aggregated Contributions |
|---|---|---|
| Governor | Tom Steyer | Oppose: $50,850,005 |
| Total from top contributors | $50,850,005 | |
| Office | Candidate | Aggregated Contributions |
|---|---|---|
| Governor | Xavier Becerra | Support: $10,300,000 |
| Total from top contributors | $10,300,000 | |
| Office | Candidate | Aggregated Contributions |
|---|---|---|
| Governor | Stephen Hilton | Oppose: $2,500,000 |
| Total from top contributors | $2,500,000 | |
| Office | Candidate | Aggregated Contributions |
|---|---|---|
| Lieutenant Governor | Michael Tubbs | Support: $7,460,000 |
| Total from top contributors | $7,460,000 | |
| Office | Candidate | Aggregated Contributions |
|---|---|---|
| Lieutenant Governor | Josh Fryday | Support: $1,575,000 |
| Total from top contributors | $1,575,000 | |
| Office | Candidate | Aggregated Contributions |
|---|---|---|
| Senator | Brian Goldsmith | Support: $1,930,000 |
| Total from top contributors | $1,930,000 | |
| Office | Candidate | Aggregated Contributions |
|---|---|---|
| Senator | Sion Ray | Support: $1,505,894.07 |
| Total from top contributors | $1,505,894.07 | |
| Office | Candidate | Aggregated Contributions |
|---|---|---|
|
Insurance Commissioner |
Ben Allen | Support: $1,108,126.64 |
| Total from top contributors | $1,108,126.64 | |
Ballot Measures - Pending or in Circulation for June 2026
None at this time.
Candidates - Primarily Formed to Make Independent Expenditures on Candidates
Supporting
California Back To Basics Supporting Matt Mahan For Governor 2026, 1487425
| Number | Contributor | State | Total Contributions |
|---|---|---|---|
| 1 | Michael Moritz | CA | $3,000,000 |
| 2 | Rick Caruso and Affiliated Entities | CA | $1,500,000 |
| 3 |
Govern for California Action Committee Top Donors to Contributor: Nicholas Pritzker, Kevin Kiley |
CA | $1,500,000 |
| 4 | Patrick Collison | CA | $1,490,000 |
| 5 | Vinod Khosla | CA | $1,100,000 |
| 6 | Ashley Merrill | CA | $1,020,000 |
| 7 | Reed Hastings | CA | $1,000,000 |
| 8 | L. John Doerr, III | CA | $1,000,000 |
| 9 | Michael Seibel | CA | $1,000,000 |
| 10 | Neil Mehta | CA | $999,999 |
| Total from top contributors | $13,609,998 | ||
Deliver for California - Matt Mahan for Governor 2026, 1488716
| Number | Contributor | State | Total Contributions |
|---|---|---|---|
| 1 | Sergey Brin | NV | $1,000,000 |
| 2 | Paul Buchheit | CA | $1,000,000 |
| 3 |
California Back to Basics Supporting Matt Mahan for Governor 2026 Top Donors to Contributor: Michael Moritz; Ashley Merrill |
CA | $282,655.46 |
| 4 | Brian Singerman | CA | $250,000 |
| 5 | Gary Filizetti | CA | $240,000 |
| 6 | Nicholas Pritzker | CA | $100,000 |
| 7 | Blake Byers | CA | $100,000 |
| 8 | Michelle Boyers | CA | $100,000 |
| 9 | Eugene Frantz | CA | $50,000 |
| 10 | Ted Schlein | CA | $45,000 |
| Total from top contributors | $3,167,655.46 | ||
Opposing
No committee opposing this candidate raised enough money to reach the reporting threshold for this list.
Supporting
Californians for a Fighter in Support of Eric Swalwell for Governor 2026 - 1488732
| Number | Contributor | State | Total Contributions |
|---|---|---|---|
| 1 | Uber Innovation Political Action Committee | CA | $2,000,000 |
| 2 | California Medical Association Independent Expenditure Committee | CA | $1,095,000 |
| 3 | Davita Patient Protection Committee | CA | $1,000,500 |
| 4 | California Dental Association PAC | CA | $1,000,000 |
| 5 | Stephen J. Cloobeck and Affiliated Entities | CA | $1,000,000 |
| 6 | EMS Professionals for a Healthier California, A Project of Global Medical Response, Inc. |
CA | $1,000,000 |
| 7 | Andrew Nathan Schwartzberg | MD | $250,000 |
| 8 | Driving California's Economy, Sponsored by CA New Car Dealers Association | CA | $250,000 |
| 9 | California Association of Psychiatric Technicians, Inc. Political Action Fund | CA | $160,000 |
| Total from top contributors | $7,755,500 | ||
| Number | Contributor | State | Total Contributions |
|---|---|---|---|
| 1 | Dignity CA Services Employees International Union SEIU Local 2015 | CA | $2,000,000 |
| 2 | SEIU California State Council for Working People | CA | $2,000,000 |
| 3 | Service Employees International Union Local 1000 Issues PAC | CA | $1,000,000 |
| Total from top contributors | $5,000,000 | ||
Opposing
No committee opposing this candidate raised enough money to reach the reporting threshold for this list.
Supporting
No committee supporting this candidate raised enough money to reach the reporting threshold for this list.
Opposing
| Number | Contributor | State | Total Contributions |
|---|---|---|---|
| 1 |
Top Donors to Contributor: PG&E Corporation and Affiliated Entities; Meta Platforms, Inc. |
CA | $15,250,000 |
| 2 |
Top Contributors to Donor: PG&E Corporation; International Brotherhood of Electrical Workers, AFL-CIO Local Union No. 1245 |
CA | $13,600,000 |
| 3 |
California Real Estate Independent Expenditure Committee - California Association of Realtors Top Donor to Contributor: California Real Estate PAC/Federal - California Association of Realtors |
CA | $7,050,005 |
| 4 | California Building Industry Association PAC | CA | $1,200,000 |
| 5 |
California Correctional Peace Officers Association PAC Top Donor to Contributor: California Correctional Peace Officers Association (intermediary for members under $100) |
CA | $25,000 |
| Total from top contributors | $37,125,005 | ||
Californians for Resilient and Affordable Energy, No on Steyer for Governor 2026, Sponsored by the California Electric Utility Industry Labor Management Cooperation Committee, PG&E Corporation, and the International Brotherhood of Electrical Workers Local 1245 - 1490270
| Number | Contributor | State | Total Contributions |
|---|---|---|---|
| 1 | CA | $13,575,000 | |
| 2 |
International Brotherhood of Electrical Workers, AFL-CIO Location Union No. 1245 |
CA | $150,000 |
| Total from top contributors | $13,725,000 | ||
Supporting
| Number | Contributor | State | Total Contributions |
|---|---|---|---|
| 1 | California Real Estate Independent Expenditure Committee - California Association of Realtors | CA | $2,750,000 |
| 2 | Laborers Pacific Southwest Regional Organizing Coalition PAC | CA | $2,450,000 |
| 3 | Pechanga Band of Indians | CA | $2,000,000 |
| 4 |
California Medical Association Independent Expenditure Committee |
CA | $1,400,000 |
| 5 |
Committee to Expand the Middle Class Candidate Committee, Sponsored by Airbnb, Inc. Top Donor to Contributor: Airbnb, Inc. |
CA | $1,000,000 |
| 6 | California State Assocation of Electrical Workers | CA | $1,000,000 |
| 7 | Meta Platforms, Inc. | CA | $950,000 |
| 8 | Chevron USA, Inc. | CA | $500,000 |
| 9 |
Protect Small Businesses, Sponsored by McDonald's Top Donor to Contributor: McDonald's USA, LLC |
CA | $500,000 |
| 10 | DaVita Patient Protection Committee | CA | $500,000 |
| Total from top contributors | $10,300,000 | ||
Opposing
No committee opposing this candidate raised enough money to reach the reporting threshold for this list.
Supporting
No committee supporting this candidate raised enough money to reach the reporting threshold for this list.
Opposing
| Number | Contributor | State | Total Contributions |
|---|---|---|---|
| 1 | UT | $1,000,000 | |
| 2 |
Democratic Action, sponsored by Democratic Governors Association |
DC | $750,000 |
| 3 |
California Nurses Association Political Action Committee (CNA-PAC) Top Donor to Contributor: California Nurses Association |
CA | $500,000 |
| 4 |
SEIU California State Council for Working People Top Donor to Contributor: SEIU California State Council |
CA | $250,000 |
| Total from top contributors | $2,500,000 | ||
Supporting
Friends of Tubbs for Lieutenant Governor 2026, 1479071
| Number | Contributor | State | Total Contributions |
|---|---|---|---|
| 1 | Steve Phillips | CA | $5,000,000 |
| 2 | Evan Spiegel | CA | $1,000,000 |
| 3 | Patty Quillin | CA | $500,000 |
| 4 | Dignity CA Service Employees International Union SEIU Local 2015 | CA | $250,000 |
| 5 | M. Quinn Delaney | CA | $250,000 |
| 6 | Karla Jurvetson | CA | $200,000 |
| 7 | SEIU California State Council (Nonprofit 501 (c)(5)) | CA | $150,000 |
| 8 | Faculty for Our University's Future, a committee sponsored by the California Faculty Association | CA | $75,000 |
| 9 | Service Employees International Union Local 1021 Candidate PAC | CA | $25,000 |
| 10 | Carol H. Tolan | CA | $10,000 |
| Total from top contributors | $7,460,000 | ||
Opposing
No committee opposing this candidate raised enough money to reach the reporting threshold for this list.
Supporting
TGIF, Josh Fryday for Lt. Governor 2026, #1484260
| Number | Contributor | State | Total Contributions |
|---|---|---|---|
| 1 | Stephanie Robinson | CA | $1,000,000 |
| 2 | Andrew Nathan Schwartzberg | CA | $350,000 |
| 3 | Charles Paul | CA | $50,000 |
| 4 | Wendy Abrams | IL | $50,000 |
| 5 | Mark Gallogly | NY | $25,000 |
| 6 | Elizabeth Strickler | NY | $25,000 |
| 7 | Thomas J. Coates Revocable Trust | CA | $25,000 |
| 8 | Ann Mathieson | CA | $20,000 |
| 9 | Christine Mohan | CA | $15,000 |
| 10 | Amnon Rodan | CA | $15,000 |
| Total from top contributors | $1,575,000 | ||
Opposing
No committee opposing this candidate raised enough money to reach the reporting threshold for this list.
Supporting
Progressive Leadership for US, Brian Goldsmith for State Senate 2026, #1485542
| Number | Contributor | State | Total Contributions |
|---|---|---|---|
| 1 | Russell Goldsmith | CA | $815,000 |
| 2 | Karen Mack Goldsmith | CA | $495,000 |
| 3 | Martha Karsh | CA | $200,000 |
| 4 | Nancy Marks | NY | $100,000 |
| 5 | Nicholas Josefowitz | CA | $100,000 |
| 6 | Marilynn Mack | NV | $50,000 |
| 7 | Andrew Schwartzberg | CA | $50,000 |
| 8 | Arie Belldegrun | CA | $50,000 |
| 9 | Rebecka Belldegrun | CA | $25,000 |
| 10 | Maria Hummer-Tuttle | CA | $22,500 |
| 11 | Bob Tuttle | CA | $22,500 |
| Total from top contributors | $1,930,000 | ||
Opposing
No committee opposing this candidate raised enough money to reach the reporting threshold for this list.
Supporting
| Number | Contributor | State | Total Contributions |
|---|---|---|---|
| 1 |
California Medical Association Independent Expenditure Committee Top Donors to Contributor: Meta Platforms, Inc.; The Permanente Medical Group |
CA | $1,010,894.07 |
| 2 |
Uber Innovation Political Action Committee Top Donor to Contributor: Uber Technologies, Inc. |
CA | $250,000 |
| 3 | California Dental Association Political Action Committee (CDA PAC) | CA | $100,000 |
| 4 | The Doctors Management Company | CA | $50,000 |
| 5 | Los Angeles County Medical Association | CA | $50,000 |
| 6 | California Permanente Medical Groups PAC | CA | $45,000 |
| Total from top contributors | $1,505,894.07 | ||
Opposing
No committee opposing this candidate raised enough money to reach the reporting threshold for this list.
Supporting
| Number | Contributor | State | Total Contributions |
|---|---|---|---|
| 1 |
Christian A. Larsen |
CA | $1,002,126.64 |
| 2 | California Environmental Voters Independent Expenditure Committee | CA | $106,000 |
| Total from top contributors | $1,108,126.64 | ||
Opposing
No committee opposing this candidate raised enough money to reach the reporting threshold for this list.