Jon Bonck holds a commanding lead in the Texas 38th Congressional District Republican primary runoff because he captured nearly 48 percent in the March 3 primary, far ahead of Shelly deZevallos at 19 percent, while the remaining eight candidates split the rest of the vote. President Trump’s February endorsement, combined with backing from Senator Ted Cruz and strong fundraising that exceeded $1.5 million, has consolidated support among Republican primary voters in the Houston-area district vacated by Representative Wesley Hunt. With the May 26 runoff now less than two weeks away, trader consensus reflects Bonck’s structural advantages in name recognition and organizational resources. A late surge by deZevallos or unexpectedly low turnout among Bonck’s base could narrow the margin, though no major developments have yet altered the established positioning.