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

Jake Auchincloss (Democrat) raised $3.9M.

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

Smith & Nephew, Inc. PAC (S+N PAC) gave $10K to Jake Auchincloss; National Community Pharmacists Association - PAC gave $10K to Jake Auchincloss; Blue Shield of California PAC (Shield PAC) gave $10K to Jake Auchincloss.

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2026 general election

Massachusetts 4th District

The candidate who raised the most money won. · Incumbent re-elected.

$4.0M was spent on the 2026 Massachusetts 4th District race: $4.0M raised by the campaigns, $897K of it from PACs, plus $0 from outside groups (FEC filings through Oct 14, 2026). Jake Auchincloss (Democrat) won and was the top fundraiser.

Total money

$4.0M

Raised by campaigns

$4.0M

PAC checks

$897K

Outside money

Candidates

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

Jake AuchinclossDemocrat, incumbent

✓ Won

Raised: $3.9M
Spent: $1.4M
From individuals: $2.4M
From PACs: $897K
From party: $2K
Own money & loans: $0
Outside money for: $0
Outside money against: $0

Who paid: 23% of Auchincloss's money came from PACs

Corporate $388K (47%)Trade group $159K (19%)Leadership PAC $5K (1%)Membership $136K (16%)Union $69K (8%)Super PAC $15K (2%)Other $58K (7%)

Smith & Nephew, Inc. PAC (S+N PAC) Corporate$10K
National Community Pharmacists Association Membership$10K
Bluepac - Blue Cross Blue Shield Association PAC Corporate$10K
American Israel Public Affairs Committee Political Action Committee Membership$10K
Laborers' International Union of North America Union$10K
Conquering Cancer PAC Other$10K
American Institute of Certified Public Accountants Membership$10K
Manufactured Housing Institute PAC Trade group$10K

FEC record H0MA04192

Thomas StalcupRepublican

✗ Lost

Raised: $27K
Spent: $26K
From individuals: $9K
From PACs: $0
From party: $0
Own money & loans: $17K
Outside money for: $0
Outside money against: $0

FEC record H6MA04140

Questions people ask

How much money was spent on the 2026 Massachusetts 4th District race?: $4.0M was spent on the 2026 Massachusetts 4th District race: $4.0M raised by the campaigns, $897K of it from PACs, plus $0 from outside groups (FEC filings through Oct 14, 2026). Jake Auchincloss (Democrat) won and was the top fundraiser.
Who raised the most money in the 2026 Massachusetts 4th District race?: Jake Auchincloss (Democrat) raised $3.9M.
Which PACs gave the most to candidates in the 2026 Massachusetts 4th District race?: Smith & Nephew, Inc. PAC (S+N PAC) gave $10K to Jake Auchincloss; National Community Pharmacists Association - PAC gave $10K to Jake Auchincloss; Blue Shield of California PAC (Shield PAC) gave $10K to Jake Auchincloss.