Race2026 cycle · RunoffsPrimary day 2 Jun 2026Updated

Cite this page

DonorAlpha, “California 18th District primary 2026”, https://donoralpha.com/races/california-18th-district-primary-2026?e=c2026&el=runoff, updated .

California 18th District primary 2026

No. 255 of 527 House races in the 2026 cycle

This race is in the 2026 primaries.

The short version

In the 2026 California 18th District primary, 4 outside groups spent $109K: $109K supporting Zoe Lofgren (D).

$109K

outside money

supporting Zoe Lofgren (D)
$109K

Outside money supporting and opposing each candidate

Both sides on one scale
← OpposingSupporting →
  • Zoe Lofgren Democrat

    $109K

    $109K supporting Zoe Lofgren

The long version

The candidates

What each candidate’s own campaign raised, beside what outside groups spent supporting and opposing them.

  • Zoe Lofgren

    Democrat

    Own campaign raised
    $1.7M
    Outside money supporting
    $109K
    Lofgren for Congress
  • Campaign money to 30 Jun 2026

Week by week

Outside money each week, supporting and opposing the candidates, all candidates combined.

Week of 25 May 2026

Supporting $54,637

Supporting candidatesOpposing candidates

The groups on each side

The biggest outside groups in this race, by what they spent supporting or opposing each candidate.

Spent supporting a candidate

  1. Protect Progresssupporting Zoe Lofgren$109K
  2. Courage California Super PACsupporting Zoe Lofgren$156
  3. Sierra Club Independent Actionsupporting Zoe Lofgren$10

Who’s connected to whom

The groups that spent supporting or opposing the candidates.

Their biggest giversGroups that spentCandidatesProtect Progress spent $109K supporting Zoe Lofgren · $109KCourage California Super PAC spent $156 supporting Zoe Lofgren · $156We Vote - Nosotros Votamos - PPAMM Committee spent $13 supporting Zoe Lofgren · $13Sierra Club Independent Action spent $10 supporting Zoe Lofgren · $10Fairshake gave $33.0M to Protect Progress · $33.0MRipple Labs gave $250K to Protect Progress · $250KPlanned Parenthood Advocates Mar Monte gave $5,146 to We Vote - Nosotros Votamos - PPAMM Committee · $5,146Alma Soul gave $500 to We Vote - Nosotros Votamos - PPAMM Committee · $500FairshakeFairshakeCompany or group · $33.0MRipple LabsRipple LabsCompany or group · $250KPlanned Parenthood AdvocatesMar MontePlanned Parenthood Advocates Mar MonteCompany or group · $5,146Alma SoulAlma SoulCompany or group · $500Protect ProgressProtect ProgressGroup · $109KCourage California Super PACCourage California Super PACGroup · $156We Vote - Nosotros Votamos -PPAMM CommitteeWe Vote - Nosotros Votamos - PPAMM CommitteeGroup · $13Sierra Club IndependentActionSierra Club Independent ActionGroup · $10Zoe LofgrenZoe LofgrenCandidate · $109K
  • Protect Progress spent supporting Zoe Lofgren · $109K
  • Courage California Super PAC spent supporting Zoe Lofgren · $156
  • We Vote - Nosotros Votamos - PPAMM Committee spent supporting Zoe Lofgren · $13
  • Sierra Club Independent Action spent supporting Zoe Lofgren · $10
  • Fairshake gave to Protect Progress · $33.0M
  • Ripple Labs gave to Protect Progress · $250K
  • Planned Parenthood Advocates Mar Monte gave to We Vote - Nosotros Votamos - PPAMM Committee · $5,146
  • Alma Soul gave to We Vote - Nosotros Votamos - PPAMM Committee · $500
GaveSpent supportingSpent opposingSwipe to see the whole map.

Group

Protect Progress

  • Protect Progress spent $109K supporting Zoe Lofgren$109K
  • Fairshake gave $33.0M to Protect Progress$33.0M
  • Ripple Labs gave $250K to Protect Progress$250K
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