November 2025 Special Election
To learn more about the FPPC’s jurisdiction and what campaign disclosures are made with respect to this special election, please see our November 4, 2025 State Special Election Information Fact Sheet.
Below are lists of the top 10 contributors to 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 November 2025 special election.
The lists do not show all contributions to every state ballot measure, or each independent expenditure committee formed to support or oppose a state candidate, only those committees that have raised $1,000,000 or more and have at least one contributor of $10,000 or more.
For itemized contribution and expenditure reports on state ballot measures, go to the CA Secretary of State’s ballot measure page.
For itemized contribution and expenditure reports on state candidates, go to the CA Secretary of State’s candidate page.
The top 10 lists reflect the most recently available data. During the 90 days before an election the FPPC makes every attempt to ensure that the lists are updated within one business day of receiving new information. Otherwise, the top contributor lists are updated weekly.
The following key explains the symbols used to indicate changes after each new update.
Status Key
| Key | Description |
|---|---|
| NEW | A new person/entity has qualified as a top 10 contributor. |
| ↑ | A contributor has moved up the list. |
| ↓ | A contributor has moved down the list. |
| + | A contributor has made an additional contribution. |
| - | No change has occurred with this contributor. |
Top Contributor Lists
Aggregate Contributions to Support or Oppose a Ballot Measure or Candidate
The following are the total amounts donated by top contributors to each state ballot measure that has qualified for the election. These lists reflect contributions as reported by Primarily Formed Committees.
| Prop # | Circulating Title | Top Aggregated Contributions |
|---|---|---|
| Prop. 50 | ACA 8 (Rivas) Congressional Redistricting. (Res. Ch. 156, 2025) | Support: $38,840,310.05 Oppose: $35,270,518.45 |
| Total from top contributors | $74,110,828.50 | |
Contributions to Committees - Formed to Support or Oppose a Ballot Measure
Proposition 50
Supporting
| No. | Contributor | State | Status | Total Contributions |
|---|---|---|---|---|
| 1 | Fund for Policy Reform | NY | - | $10,000,000 |
| 2 | HMP for Prop 50 (FED PAC ID #C00495028) | DC | - | $7,610,000 |
| 3 | California Teachers Association Issues PAC | CA | - | $3,000,000 |
| 4 | California Nurses Association
|
CA | +↑ | $2,610,310.05 |
| 5 | CA | ↓ | $2,600,000 | |
| 6 | Michael Moritz | CA | - | $2,500,000 |
| 7 | Consumer Attorneys of California Issues Political Action Committee Top Donors to Contributor: Frank Penney Injury Lawyers; Wilshire Law Firm, PLC |
CA | NEW | $2,000,000 |
| 8 | Gwendolyn Sontheim | MN | - | $2,000,000 |
| 9 | Working for Working Americans Sponsored by United Brotherhood of Carpenters (MPO) | DC | - | $2,000,000 |
| 10 | Democratic Action, Yes on 50, Sponsored by Democratic Governors Association (FED PAC ID #C00562983) | DC | - | $2,000,000 |
| Total from top contributors | $36,320,310.05 | |||
Committee: Advocacy Action Fund, Inc. (Nonprofit 501(c)(4)) - Yes on 50 - 1448578
| No. | Contributor | State | Status | Total Contributions |
|---|---|---|---|---|
| 1 | Wendy Schmidt | CA | NEW | $500,000 |
| 2 | Eric Schmidt | CA | NEW | $500,000 |
| Total from top contributors | $1,000,000 | |||
Committee: Progressive Era Issues Committee Supporting Yes on Proposition 50 - 1465256
| No. | Contributor | State | Status | Total Contributions |
|---|---|---|---|---|
| 1 | Advocacy Action Fund | CA | - | $1,000,000 |
| 2 | California Community Found | CA | - | $200,000 |
| 3 | Quinn Delaney | CA | - | $200,000 |
| 4 | Karen Frances Grove Trust | CA | - | $50,000 |
| 5 | Elizabeth Allison Thomas | CA | - | $25,000 |
| 6 | The Strauss Family Revocable Trust - Sandor Straus | CA | - | $25,000 |
| 7 | Crystal Hayling | CA | NEW | $20,000 |
| Total from top contributors | $1,520,000 | |||
Opposing
| No. | Contributor | State | Status | Total Contributions |
|---|---|---|---|---|
| 1 | Charles Thomas Munger, Jr. |
CA | + | $30,090,000 |
| Total from top contributors | $30,090,000 | |||
| No. | Contributor | State | Status | Total Contributions |
|---|---|---|---|---|
| 1 | No on Prop 50 Congressional Leadership Fund (FED PAC ID #C00504530) |
DC | - | $5,000,000 |
| 2 | Susan Groff | CA | - | $50,000 |
| 3 | Doug LaMalfa Committee (FEC ID #C00509422) | CA | + | $40,518.45 |
| 4 | Christoph Tribull | CA | NEW | $25,000 |
| 5 | Probity International Corp. | CA | ↓ | $20,000 |
| 6 | AMMACASO, Inc. | CA | ↓ | $20,000 |
| 7 | Jasmine Moini | CA | ↓ | $15,000 |
| 8 | Steve Quinn | CA | NEW | $10,000 |
| Total from top contributors | $5,180,518.45 | |||
*When a state recipient committee is listed as a top 10 contributor and the state recipient committee has received contributions aggregating $50,000 or more, from a single source, during the current two-year election period, the contributors' names are disclosed and listed below. When two or more contributors of identical amounts qualify as top two contributors, only the most recent contibutor is disclosed.
Additional Resources
For more information about the Top 10 lists and the relevant legal authorities, go to Methodology and Legal Resources