Who raised the most money in the 2026 Maine Senate race?

Troy Jackson (Democrat) raised $27M and had $14M in outside spending on their side.

Which outside groups spent the most on the 2026 Maine Senate race?

Senate Leadership Fund ($38M), WinSenate ($37M), Pine Tree Results PAC ($20M).

Which PACs gave the most to candidates in the 2026 Maine Senate race?

NRSC gave $62K to Susan Collins; Republican Jewish Coalition Political Action Committee (Rjc-PAC) gave $14K to Susan Collins; National Association of Broadcasters Political Action Committee (Nabpac) gave $12K to Susan Collins.

← Every race

2026 general election

Maine Senate

The candidate who raised the most money won. The incumbent lost. · Incumbent lost re-election. Democratic gain.

$184M in receipts plus outside spending is tied to the 2026 Maine Senate race: $49M raised by the campaigns, $2.0M of it from PACs, plus $134M from outside groups (FEC filings with varying coverage dates; the most common larger-campaign cutoff is Oct 14, 2026). Troy Jackson (Democrat) won and was the top fundraiser.

Receipts + outside spending

$184M

Raised by campaigns

$49M

PAC checks

$2.0M

Outside money

$134M

Candidates

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

Troy JacksonDemocrat

✓ Won

Raised: $27M
Spent: $25M
From individuals: $24M
From PACs: $401K
From party: $67K
Own money & loans: $0
Outside money for: $14M
Outside money against: $75M

Who paid: 1% of Jackson's money came from PACs

Leadership PAC $93K (38%)Membership $10K (4%)Union $108K (44%)Super PAC $19K (8%)Party $5K (2%)Other $13K (5%)

American Association for Justice (Aaj) Membership$10K
International Association of Machinists and Aerospace Workers Union$10K
American Federation of Teachers, AFL-CIO Committee On Political Education Union$10K
Communications Workers of America Union$10K
Amalgamated Transit Union Union$10K
Slotkin Leadership PAC$10K
Lobo PAC Leadership PAC$10K
Advancing Democracy and Mobilization PAC Leadership PAC$10K

Biggest outside spenders

Senate Leadership Fund · $38M attacking
Pine Tree Results PAC · $20M attacking
The Maine Standard · $9.9M attacking
Cffe PAC · $5.0M supporting
WinSenate · $4.5M supporting

FEC record S6ME00464

Susan CollinsRepublican, incumbent

✗ Lost

Raised: $22M
Spent: $22M
From individuals: $15M
From PACs: $1.6M
From party: $62K
Own money & loans: $0
Outside money for: $7.4M
Outside money against: $38M

Who paid: 7% of Collins's money came from PACs

Corporate $1.1M (42%)Trade group $536K (21%)Leadership PAC $401K (16%)Membership $182K (7%)Union $40K (2%)Super PAC $47K (2%)Party $63K (2%)Other $214K (8%)

Young Victory Committee Party$62K
Republican Jewish Coalition Membership$14K
National Association of Broadcasters Trade group$12K
Young Victory Committee Leadership PAC$10K
American Seniors Housing Association (Seniors Housing PAC) Trade group$10K
Arkansas Rural Water Association Federal Political Action Committee Trade group$10K
Union Pacific Corp. Corporate$10K
Associated General Contractors of America Trade group$10K

Biggest outside spenders

WinSenate · $33M attacking
Stronger Maine · $2.2M supporting
Planned Parenthood Votes · $1.3M attacking
End Citizens United Action Fund · $1.0M attacking
Americas Credit Unions · $1.0M supporting

FEC record S6ME00159

Questions people ask

How much money is tied to the 2026 Maine Senate race?: $184M in receipts plus outside spending is tied to the 2026 Maine Senate race: $49M raised by the campaigns, $2.0M of it from PACs, plus $134M from outside groups (FEC filings with varying coverage dates; the most common larger-campaign cutoff is Oct 14, 2026). Troy Jackson (Democrat) won and was the top fundraiser.
Who raised the most money in the 2026 Maine Senate race?: Troy Jackson (Democrat) raised $27M and had $14M in outside spending on their side.
Which outside groups spent the most on the 2026 Maine Senate race?: Senate Leadership Fund ($38M), WinSenate ($37M), Pine Tree Results PAC ($20M).
Which PACs gave the most to candidates in the 2026 Maine Senate race?: NRSC gave $62K to Susan Collins; Republican Jewish Coalition Political Action Committee (Rjc-PAC) gave $14K to Susan Collins; National Association of Broadcasters Political Action Committee (Nabpac) gave $12K to Susan Collins.