Direct Contributions to Candidates

Candidates must disclose large donors if they give $200 or more over the course of the campaign. Small donors give less than $100; we have excluded them from the contributor table. Click on a candidate below to see their contributors.

  • Self-funded
  • Large donors
  • Small donors
CandidatePartyContributionsTotal
Tom Umberg T. UmbergD, Democratic Party
$450K▶
Martín Arias M. AriasD, Democratic Party
$286K▶
Denis Bilodeau D. BilodeauR, Republican Party
$126K▶
Cody Petterson C. PettersonD, Democratic Party
$32.3K▶
Gardner C. Osborne G. OsborneL, Libertarian Party
$3.4K▶
Small donors
$NaN
Self-funded
$NaN
ContributorTotal
Independent Expenditures

Groups not coordinating with candidates must report money they spend to influence elections.

CandidatePositionSpenderAmount
Tom UmbergSupportSan Diego Labor Coalition Sponsored By Laborers International Union Of North America Local 89$3.6K
Tom UmbergSupportJobspac A Bi Partisan Coalition Of California Employers Sponsored By The California Chamber Of Commerce$100K
Tom UmbergSupportAdvance California Sponsored By California Apartment Association$215K
Tom UmbergSupportAdvance California Sponsored By California Apartment Association And California Life Sciences$16.2K
  • Note: Candidate contributions listed above do not include transfers from a candidate’s previous campaign committee for a different race. Candidates not listed above have not reported any contributions. Data was last updated on Friday, May 29, 2026.
  • Source: California Secretary of State