Graham Platner Outraises and Outspends Susan Collins in Maine Senate Race

Democratic challenger Graham Platner is outraising and outspending incumbent Sen. Susan Collins in Maine's U.S. Senate race, having raised $16.3M to her $15.1M. Platner has spent $14.1M, double Collins' $7M, partly due to a primary race. However, Collins retains a large cash advantage with $10M on hand versus Platner's $2.2M. Outside groups have poured over $142M into the race, with GOP-aligned spending at $99M.

Senate race fundraising totals

• ▪Graham Platner has spent $14.1 million this election cycle, while Sen. Susan Collins has spent $7 million
• ▪Sen. Susan Collins ended the latest reporting period with nearly $10 million in cash on hand, compared to Graham Platner's $2.2 million
• ▪In the reporting period from April 1 to May 20, Graham Platner raised $4.4 million, while Sen. Susan Collins raised $1.7 million
• ▪Democratic U.S. Senate candidate Graham Platner has raised $16.3 million this election cycle, while incumbent Sen. Susan Collins has raised $15.1 million

Mills primary withdrawal

• ▪Maine Gov. Janet Mills dropped out of the Democratic primary for U.S. Senate on April 30
• ▪During her campaign, Gov. Janet Mills raised just under $6 million, compared to Graham Platner's total of $16.3 million
• ▪Gov. Janet Mills cited a lack of cash as her reason for withdrawing from the Democratic primary race

Outside group advertising spending

• ▪Republican-aligned outside groups have spent $99 million on the race, compared to $44 million from Democrat-aligned groups
• ▪Outside groups have spent more than $142 million on the Maine Senate race, according to advertising tracker AdImpact