Massie leads challenger endorsed by Trump in Republican primary poll

President Donald Trump's handpicked challenger to boot his least favorite Republican — U.S. Rep. Thomas Massie — out of Congress for being unfaithful to his administration's agenda is trailing the incumbent in what could be the most telling Republican primary contest of the 2026 election season.

National pundits are keeping a close eye on Kentucky's 4th Congressional District primary race, where Trump has rallied behind newcomer Ed Gallrein and allies have poured millions into groups attacking the congressman's record. Most recently, Massie has been leading the charge to force the release of files related to the accused sex trafficker Jeffrey Epstein.

Many view the Kentucky race as a first test of the president's grip on the GOP that could give vulnerable incumbents the green light to buck Trump more as they look to retain their seats amid a forecasted "blue wave" this fall.

A new poll from Quantum Insights released April 9 found Massie landing 46.8% of likely Republican voters against Gallrein, who rakes in 37.7%. Another 14% were undecided.

But the more telling findings are deeper in the survey, which asked what type of Republican member of Congress they would rather support.

The survey found 49.9% said they preferred one who is independent-minded versus 37.4% who said they preferred a strong Trump supporter.

"It suggests this is not an electorate looking simply for obedience or alignment," the Quantum memo said. "It is an electorate that still has room for a self-willed, independent conservative and that is precisely the identity Massie has cultivated for years. That, in turn, helps explain why Trump’s endorsement of Gallrein has not, at least yet, transformed the race."

Massie coming in below 50% is not a good sign, the firm points out, but the roughly 10-point lead suggests the Massachusetts Institute of Technology grad is holding firm against the president's tongue lashing with an established base and "fits the district better than some in Washington may assume."

'Worst person': Trump has trashed Massie for years

Massie isn't considered a moderate Republican by most conservative groups' scorecards but he committed the worst modern GOP sin: He crossed Trump on several occasions over the years.

In 2020 during the first Trump administration, the president called him a “grandstander” for objecting to the $2 trillion coronavirus relief package for fiscal reasons. Trump said he wanted Massie kicked out of the GOP.

The libertarian-leaning congressman has been behind legislation forcing the Justice Department to release documents about Epstein. He also voted against the administration's tax-cut legislation last year and put forward a resolution to halt the war on Iran, which failed on a 219-212 vote.

His opposition to Trump drew the president to Massie's district last month, where he brought Gallrein on stage as he lambasted the congressman.

“He’s the worst person," Trump said of Massie at the March 11 rally in Hebron, Kentucky. "Massie is a complete and total disaster as a congressman and frankly as a human being."

Massie has generally avoided returning fire, noting that he agrees with Trump on a number of issues and was even endorsed by him in 2022, two years after the president called for him to be kicked out of the Republican Party.

After his February campaign launch, Massie described his primary as a referendum on whether "any member of Congress can vote independently of their party when their party's in the White House."

Trump endorsement weakening, poll suggests

Trump's dominance of the GOP, fueled by the populist Make America Great Again movement, remains unchallenged in terms of Republican primaries.

Earlier this month Republican Clay Fuller, the president's choice to replace former U.S. Rep. Marjorie Taylor Greene in Georgia, was elected to Congress after breaking from the GOP pack thanks largely to Trump's endorsement.

Other former lawmakers who have opposed the president, such as Republican Liz Cheney, have been defeated by Trump-endorsed challengers.

But the Quantum survey shows Trump's influence is in question in the case of Massie, who has long burnished a reputation for independence by often being the lone vote against even the most bipartisan resolutions or measures. Massie has said he votes against legislation he believes is unconstitutional or raises federal spending.

The polling data shows Trump's sway still matters, with about 36% saying his endorsement makes them much more or somewhat likely to support Gallrein versus roughly 26% who said it makes them much less or somewhat less likely. But another 36% said it makes no difference.

"That, in turn, helps explain why Trump’s endorsement of Gallrein has not, at least yet, transformed the race," according to the polling memo.

Asked which type of Republican member of Congress they would rather support, 49.9% of respondents said they preferred one who is independent-minded, while 37.4% said they preferred a strong Trump supporter.

That independence from Trump is an attribute Massie is leaning into for this reelection.

"And I do believe I'm going to survive, and I do think it will embolden other members of Congress who are in the Republican Party to vote their conscience and vote for their constituents instead of just voting for what the White House wants," he told reporters after his campaign launch in February.

Reach Lucas Aulbach at [email protected]. Reach Phillip M. Bailey at [email protected].