Except for three programs, Fox has been anti-Trump since before Paul Ryan came on board.
They were largely anti-Trump since 2015, with a few notable exceptions.
Greg Gutfeld, for example, gleefully mocked Trump until he saw which way the winds were blowing and changed his tune.
Dana Perino was anti Trump from the start. I remember her practically in tears the night Jeb threw in the towel.
Tucker, Gutfeld and Judge Jeannine.