In the 2026 California 40th District primary, 13 outside groups spent $7.2M: $847K supporting Young Kim (R), $4.5M opposing Young Kim and $1.1M supporting Esther Kim-Varet (D).
outside money
- supporting Young Kim (R)
- $847K
- opposing Young Kim (R)
- $4.5M
- supporting Esther Kim-Varet (D)
- $1.1M
Outside money supporting and opposing each candidate
Both sides on one scaleYoung Kim Republican
$4.5M$847K$847K supporting Young Kim · $4.5M opposing Young Kim
Esther Kim-Varet Democrat
$1.1M$1.1M supporting Esther Kim-Varet
Ken Calvert Republican
$578K$87,780$87,780 supporting Ken Calvert · $578K opposing Ken Calvert
This seat, every election
California 40th District
$9.9M
outside money in the 2026 cycle
- California 40th District general 2026$2.8Moutside money
- California 40th District primary 2026$7.2Moutside money
The candidates
What each candidate’s own campaign raised, beside what outside groups spent supporting and opposing them.
Young Kim
Republican
- Own campaign raised
- $8.8M
- Outside money supporting
- $847K
- Outside money opposing
- $4.5M
Esther Kim-Varet
Democrat
- Own campaign raised
- $2.9M
- Outside money supporting
- $1.1M
Ken Calvert
Republican
- Own campaign raised
- $6.1M
- Outside money supporting
- $87,780
- Outside money opposing
- $578K
Joe Kerr
Democrat
- Own campaign raised
- $276K
Nina Linh
Independent
- Own campaign raised
- $442K
Lisa Ramirez
Democrat
- Own campaign raised
- $519K
- 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 $510KOpposing $354K
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
- California Blue PACsupporting Esther Kim-Varet$702K
- America's Credit Unions PACsupporting Young Kim$500K
- Western Blue PACsupporting Esther Kim-Varet$350K
- Americans for Prosperity Action, Inc.supporting Young Kim$290K
- National Association of Realtors Political Action Committeesupporting Young Kim$56,993
- Americans 4 Security PACsupporting Ken Calvert$51,504
- Rising Tide Collectivesupporting Esther Kim-Varet$50,989
- California Conservatives PACsupporting Ken Calvert$26,526
Spent opposing a candidate
- Americans 4 Security PACopposing Young Kim$3.2M
- California Conservatives PACopposing Young Kim$1.3M
- CFFopposing Ken Calvert$574K
- Youth Save Democracy PACopposing Ken Calvert$3,669
- Voter to Voter PACopposing Young Kim$35
Who’s connected to whom
The groups that spent supporting or opposing the candidates.
- Americans 4 Security PAC spent opposing Young Kim · $3.2M
- California Conservatives PAC spent opposing Young Kim · $1.3M
- California Blue PAC spent supporting Esther Kim-Varet · $702K
- CFF spent opposing Ken Calvert · $574K
- America's Credit Unions PAC spent supporting Young Kim · $500K
- Western Blue PAC spent supporting Esther Kim-Varet · $350K
- Americans for Prosperity Action, Inc. spent supporting Young Kim · $290K
- National Association of Realtors Political Action Committee spent supporting Young Kim · $56,993
- Americans 4 Security PAC spent supporting Ken Calvert · $51,504
- California Conservatives PAC spent supporting Ken Calvert · $26,526
- Americans 4 Security gave to Americans 4 Security PAC · $2.5M
- Hermeus Corp gave to Americans 4 Security PAC · $100K
- Golden State Rebellion (CA) gave to CFF · $350K
- Turbo Air gave to CFF · $20,000
- Midwest Growth gave to Western Blue PAC · $350K
- Koch Inc gave to Americans for Prosperity Action, Inc. · $30.0M
- Stand Together gave to Americans for Prosperity Action, Inc. · $20.0M
- Americans 4 Security PAC spent $3.2M opposing Young Kim$3.2M
- Americans 4 Security PAC spent $51,504 supporting Ken Calvert$51,504
- Americans 4 Security gave $2.5M to Americans 4 Security PAC$2.5M
- Hermeus Corp gave $100K to Americans 4 Security PAC$100K
Go deeper
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The paperwork