Senator Elizabeth Warren endorses Graham Platner at a rally in Portland, Maine, bolstering Platner’s progressive credentials and signaling strong establishment support for Platner

Janet Mills drops to 0%9%

Senator Elizabeth Warren endorses Graham Platner at a rally in Portland, Maine, bolstering Platner’s progressive credentials and signaling strong establishment support for Platner over Mills, further diminishing Mills’ chances

Senator Elizabeth Warren endorses Graham Platner at a rally in Portland, Maine

Graham Platner jumps to 99%7%

Warren's high-profile endorsement boosted Platner's credibility and polling lead, significantly increasing market confidence in his nomination.

Susan Collins pledges potential retirement after sixth term, intensifying Democratic interest in the primary

Graham Platner surges to 92%16%

Collins' announcement raised stakes for the Democratic primary, increasing attention and support for Platner as a strong challenger to Collins.

Mills launches a negative ad campaign targeting Platner’s controversial Reddit history and tattoo, aiming to weaken his support by highlighting disqualifying past remarks, but the

Janet Mills dips to 24%3%

Mills launches a negative ad campaign targeting Platner’s controversial Reddit history and tattoo, aiming to weaken his support by highlighting disqualifying past remarks, but the ads have limited immediate effect on shifting voter sentiment

Wood submits qualifying signatures for the 2nd Congressional District primary, confirming his shift away from the Senate race and solidifying his absence from the Senate primary

Wood submits qualifying signatures for the 2nd Congressional District primary, confirming his shift away from the Senate race and solidifying his absence from the Senate primary ballot

Democratic primary preview highlights other candidates like Janet Mills and Graham Platner gaining traction in the Senate race, confirming Golden's absence and solidifying market

Democratic primary preview highlights other candidates like Janet Mills and Graham Platner gaining traction in the Senate race, confirming Golden's absence and solidifying market expectations against him

Platner resumes active campaigning with town halls, maintaining lead over Mills in polls

Graham Platner jumps to 78%11%

Platner's re-engagement energized supporters and solidified his position as the progressive front-runner.

In a CNN interview, Mills addresses concerns about her age and compares herself to Joe Biden, asserting her health and capability, but age remains a point of contention among

Janet Mills drops to 25%9%

In a CNN interview, Mills addresses concerns about her age and compares herself to Joe Biden, asserting her health and capability, but age remains a point of contention among Democratic voters, limiting her appeal

Dan Kleban comments on Governor Mills' toughness and potential to appeal to voters amid ICE enforcement controversies, reflecting his continued support for Mills despite no longer

Dan Kleban comments on Governor Mills' toughness and potential to appeal to voters amid ICE enforcement controversies, reflecting his continued support for Mills despite no longer running

Governor Mills declines to veto a bill making Maine a de facto sanctuary state, drawing criticism from Republicans and conservative groups, which may have affected her standing

Janet Mills drops to 34%5%

Governor Mills declines to veto a bill making Maine a de facto sanctuary state, drawing criticism from Republicans and conservative groups, which may have affected her standing among moderate voters ahead of the primary

Emerson College poll confirms Platner’s commanding lead over Mills by 27 points, reinforcing the narrative of Platner’s insurgent campaign outpacing the establishment-backed Mills

Janet Mills drops to 30%6%

Emerson College poll confirms Platner’s commanding lead over Mills by 27 points, reinforcing the narrative of Platner’s insurgent campaign outpacing the establishment-backed Mills despite her statewide experience

Jordan Wood officially drops out of the Maine Senate race to run for the 2nd Congressional District seat following Jared Golden’s retirement announcement, effectively ending his

Jordan Wood dips to 0%1%

Jordan Wood officially drops out of the Maine Senate race to run for the 2nd Congressional District seat following Jared Golden’s retirement announcement, effectively ending his Senate bid and causing the market

Jordan Wood, who had been running for Senate, switches to run for the open 2nd Congressional District seat after Golden's retirement announcement, signaling Golden's exit from the

Jordan Wood, who had been running for Senate, switches to run for the open 2nd Congressional District seat after Golden's retirement announcement, signaling Golden's exit from the Senate race

Jared Golden announces he will not seek re-election in 2026, citing frustration with political incivility, effectively ending his Senate bid and causing a sharp

Jared Golden drops to 0%12%

Jared Golden announces he will not seek re-election in 2026, citing frustration with political incivility, effectively ending his Senate bid and causing a sharp

Polls show a tightening race but Platner remains competitive against Mills and incumbent Collins

Graham Platner jumps to 64%9%

Despite controversies, Platner's continued polling strength and campaign activity helped regain market confidence.

Platner reveals he covered up a tattoo resembling a Nazi symbol, apologizing for past social media posts

Graham Platner drops to 44%11%

This revelation caused a market dip due to concerns about the controversy's impact, but Platner's apology and resilience limited the damage.

Reports emerge that Platner covered up a tattoo resembling a Nazi symbol and apologized for past social media posts, but his campaign maintains momentum with large crowds and

Janet Mills drops to 43%12%

Reports emerge that Platner covered up a tattoo resembling a Nazi symbol and apologized for past social media posts, but his campaign maintains momentum with large crowds and continued polling leads, complicating Mills’ path to regain support

University of New Hampshire poll shows Platner leading Mills by 34 points despite controversies over past inflammatory posts and a tattoo

Graham Platner jumps to 55%11%

Polling confirmed Platner's strong lead even amid negative headlines, reinforcing market confidence in his viability.

University of New Hampshire poll shows Graham Platner leading Janet Mills by 34 points in the Democratic primary despite controversies over Platner’s past inflammatory online

Janet Mills surges to 55%20%

University of New Hampshire poll shows Graham Platner leading Janet Mills by 34 points in the Democratic primary despite controversies over Platner’s past inflammatory online posts and a Nazi-symbol tattoo, highlighting Platner’s strong grassroots support and challenging Mills’ frontrunner status

Coverage highlights Kleban's withdrawal and endorsement of Mills, noting the impact of Mills' entry shaking up the crowded Democratic primary field

Dan Kleban dips to 0%2%

Coverage highlights Kleban's withdrawal and endorsement of Mills, noting the impact of Mills' entry shaking up the crowded Democratic primary field

Maine Governor Janet Mills enters Senate race, raising $1 million in 24 hours

Graham Platner dips to 44%1%

Mills' entry as an establishment-backed candidate with strong fundraising briefly tempered Platner's momentum, causing a slight dip in his market.

Dan Kleban suspends Senate campaign and endorses Gov.

Dan Kleban drops to 2%12%

Janet Mills following her official entry into the race, signaling consolidation of Democratic support around Mills

Early polling and campaign developments show Wood losing ground amid a crowded field and stronger contenders emerging, leading to a sharp market drop from 50% to 4%

Jordan Wood plunges to 4%46%

Early polling and campaign developments show Wood losing ground amid a crowded field and stronger contenders emerging, leading to a sharp market drop from 50% to 4%

Jared Golden initially considered running for the U.S.

Senate in 2026, maintaining a roughly 50% market

Janet Mills announces her candidacy for the 2026 U.S.

Janet Mills dips to 47%3%

Senate race in Maine, entering as the establishment favorite backed by Senate Minority Leader Chuck Schumer, raising $1 million in the first 24 hours and signaling a high-profile campaign to unseat Republican Susan Collins

Dan Kleban launches Senate campaign emphasizing outsider message and cost-of-living issues

Dan Kleban launches Senate campaign emphasizing outsider message and cost-of-living issues

Graham Platner announces Senate campaign as a progressive outsider challenging establishment candidates

Graham Platner jumps to 41%7%

Platner launched his campaign emphasizing populist themes and grassroots support, quickly gaining attention as a credible challenger in the Maine Democratic primary.