Who raised the most money in the 2026 California 4th District race?

Eric Jones (Democrat) raised $18M.

Which outside groups spent the most on the 2026 California 4th District race?

New Leadership Now ($2.7M), Bda PAC ($1.8M), Article One PAC ($997K).

Which PACs gave the most to candidates in the 2026 California 4th District race?

America's Credit Unions PAC gave $12K to Mike Thompson; Pinnacle West Capital Corporation PAC gave $11K to Mike Thompson; American Investment Council Political Action Committee gave $10K to Mike Thompson.

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2026 general election

California 4th District

This race has not been called yet. · Incumbent advanced to general. Democratic hold.

$30M was spent on the 2026 California 4th District race: $24M raised by the campaigns, $2.4M of it from PACs, plus $6.7M from outside groups (FEC filings through Oct 14, 2026). The race had not been called when this page was built.

Total money

$30M

Raised by campaigns

$24M

PAC checks

$2.4M

Outside money

$6.7M

Candidates

Raised by the campaign Outside money supportingOutside money attacking Democrat Republican Other

Eric JonesDemocrat

… Counting

Raised: $18M
Spent: $17M
From individuals: $3.2M
From PACs: $0
From party: $0
Own money & loans: $15M
Outside money for: $0
Outside money against: $2.0M

Biggest outside spenders

Bda PAC · $1.8M attacking
Article One PAC · $203K attacking

FEC record H6CA04222

Mike ThompsonDemocrat, incumbent

… Counting

Raised: $5.5M
Spent: $5.3M
From individuals: $2.9M
From PACs: $2.4M
From party: $9K
Own money & loans: $0
Outside money for: $2.0M
Outside money against: $2.7M

Who paid: 45% of Thompson's money came from PACs

Corporate $786K (40%)Trade group $426K (22%)Leadership PAC $252K (13%)Membership $177K (9%)Union $128K (6%)Super PAC $20K (1%)Party $1K (0%)Other $192K (10%)

America's Credit Unions Trade group$12K
Pinnacle West Capital Corporation Corporate$11K
American Investment Council Trade group$10K
Edison International Corporate$10K
Council of Insurance Agents & Brokers Membership$10K
The Doctors Company Membership$10K
Employee Owned S Corporations of America Trade group$10K
Holland & Knight Committee for Effective Government Other$10K

Biggest outside spenders

New Leadership Now · $2.7M attacking
Article One PAC · $794K supporting
Center Forward Committee · $750K supporting
American Hospital Association PAC · $275K supporting
National Association of Realtors Political Action Committee · $64K supporting

FEC record H8CA01109

Questions people ask

How much money was spent on the 2026 California 4th District race?: $30M was spent on the 2026 California 4th District race: $24M raised by the campaigns, $2.4M of it from PACs, plus $6.7M from outside groups (FEC filings through Oct 14, 2026). The race had not been called when this page was built.
Who raised the most money in the 2026 California 4th District race?: Eric Jones (Democrat) raised $18M.
Which outside groups spent the most on the 2026 California 4th District race?: New Leadership Now ($2.7M), Bda PAC ($1.8M), Article One PAC ($997K).
Which PACs gave the most to candidates in the 2026 California 4th District race?: America's Credit Unions PAC gave $12K to Mike Thompson; Pinnacle West Capital Corporation PAC gave $11K to Mike Thompson; American Investment Council Political Action Committee gave $10K to Mike Thompson.