Polling Average
80%60%40%20%0%
66.5%
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$25.9K
JUN 10, 2026Primary Election
Party selects its nominee.
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source: Kalshi
Recent coverage is focused on the Democratic primary, not the Maine Republican Senate nomination. A Republican-aligned PAC is putting nearly $2 million into attack ads against Democratic frontrunner Graham Platner, while Platner is still described as leading the field against Gov. Janet Mills. Barney Frank also publicly backed Mills over Platner. There’s no direct news on the Maine GOP Senate nomination field in these updates. The heavy GOP-aligned spending aimed at shaping the Democratic nominee could slightly increase uncertainty around the eventual general-election matchup, but it doesn’t clearly move the GOP-nominee market.
Pine Tree Results PAC has dumped $2 million to attack Democrat Graham Platner, focusing on his controversial tattoo and internet posts.
Pine Tree Results' ad buy highlights Platner's old internet comments about sexual assault, lobstermen and rural white Americans.
Maine Senate candidate Graham Platner holds a dominant polling lead over Gov Janet Mills ahead of the June primary.
The U.S. Senate candidate and his wife, Amy Gertner, had traveled to Norway for fertility treatments.
Warren told CNBC that Platner, under fire for multiple controversies, has apologized and voters can evaluate him as they see fit.
Two Democrats vying to oust Collins led the five-term Republican in hypothetical November matchups, a recent poll found.
Platner is challenging Gov. Janet Mills for his party’s nomination, with polls handing him a commanding lead ahead of the June 9 primary.
The investment marks the largest spending plan for the Senate Leadership Fund as the party looks to defend its slim majority in the upper chamber.
Maine's Republican senator chairs the Senate Appropriations Committee, but critics say President Donald Trump has had his way with Congress on spending decisions.
The former Massachusetts lawmaker says progressives in his party have “embraced an agenda that goes beyond what’s politically acceptable.”
Aggregation source: FiftyPlusOne
S. CollinsSusan CollinsSource: FEC
New updates coming soon
We're monitoring and will update when new data impacts the race.
