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New Poll Shows Gallrein Leading Massie in Kentucky’s 4th District GOP Primary

Record spending tied to Trump’s endorsement is reshaping the race.

Guests look on as candidates speak on stage during the Kenton County Republican Party Lincoln Day Dinner, Thursday, April 30, 2026, in Covington, Ky. (AP Photo/Jon Cherry)
Republican congressional candidate for Kentucky, Ed Gallrein, addresses the audience after giving on stage remarks during the Kenton County Republican Party Lincoln Day Dinner, Thursday, April 30, 2026, in Covington, Ky. (AP Photo/Jon Cherry)
Rep. Thomas Massie, R-KY, speaks to reporters after a Kentucky Educational Television (KET) debate, Monday, May 4, 2026, in Lexington, Ky. (AP Photo/Jon Cherry)
Rep. Thomas Massie, R-KY, exits the studio after a Kentucky Educational Television (KET) debate, Monday, May 4, 2026, in Lexington, Ky. (AP Photo/Jon Cherry)

Overview

  • A Quantus Insights survey conducted May 11–12 found Ed Gallrein at 48.3% and Rep. Thomas Massie at 43.1% among likely Republican voters, the first public poll to show the challenger ahead.
  • Compared with Quantus’s April poll showing Massie up 47% to 38%, the new findings reflect a sharp swing toward Gallrein that signals fast-moving momentum.
  • Prediction markets moved after the poll release, with Polymarket and Kalshi shifting to around even odds for Gallrein in a race long seen as leaning toward the incumbent.
  • Early voting begins Thursday and the May 19 primary will likely decide the seat in this deeply Republican district, which helps explain why the contest has drawn national focus.
  • Late-campaign turbulence includes a former girlfriend’s cash-for-silence accusation that Massie denies and a pro-Massie PAC ad featuring a rainbow Star of David that critics called antisemitic; the ad came from Hold the Line PAC, not Massie’s campaign, as outside spending reported at over $25 million floods the race.