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?

WinSenate ($37M), Pine Tree Results PAC ($20M), The Maine Standard ($9.9M).

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; Jobs Opportunity Now Political Action Committee gave $13K to Susan Collins.

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2026 general election

Maine Senate

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

$143M was spent on the 2026 Maine Senate race: $49M raised by the campaigns, $2.0M of it from PACs, plus $94M from outside groups (FEC filings through Oct 14, 2026). Troy Jackson (Democrat) won and was the top fundraiser.

Total money

$143M

Raised by campaigns

$49M

PAC checks

$2.0M

Outside money

$94M

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: $38M

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

Pine Tree Results PAC · $20M attacking
The Maine Standard · $9.9M attacking
Cffe PAC · $5.0M supporting
WinSenate · $4.5M supporting
Stronger Maine · $2.3M attacking

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: $5.4M
Outside money against: $37M

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

Corporate $1.1M (42%)Trade group $551K (21%)Leadership PAC $404K (16%)Membership $184K (7%)Union $41K (2%)Super PAC $50K (2%)Party $63K (2%)Other $222K (9%)

Young Victory Committee Party$62K
Republican Jewish Coalition Membership$14K
Husted Leadership PAC$13K
American Bankers Association (Aba) Trade group$13K
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

Biggest outside spenders

WinSenate · $33M attacking
Stronger Maine · $2.2M supporting
Planned Parenthood Votes · $1.3M attacking
Lead Maine Committee, Inc. · $980K supporting
Ab PAC · $575 supporting · $831K attacking

FEC record S6ME00159

Questions people ask

How much money was spent on the 2026 Maine Senate race?: $143M was spent on the 2026 Maine Senate race: $49M raised by the campaigns, $2.0M of it from PACs, plus $94M from outside groups (FEC filings through 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?: WinSenate ($37M), Pine Tree Results PAC ($20M), The Maine Standard ($9.9M).
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; Jobs Opportunity Now Political Action Committee gave $13K to Susan Collins.