Among Democratic primary voters, Biden’s 35 percent (up from 31 percent in March) leaves Bernie Sanders in a distant second place with 17 percent (down from 23 percent).

Elizabeth Warren is next at 9 percent, Pete Buttigieg receives 6 percent, followed by Kamala Harris at 5 percent, Beto O’Rourke at 4 percent, Cory Booker at 3 percent, and Julian Castro and Amy Klobuchar at 2 percent apiece. John Delaney, Tulsi Gabbard, Jay Inslee, Tim Ryan, Marianne Williamson, and Andrew Yang each garner one percent.

Since March, Warren and Buttigieg gained five percentage points and Biden is up four, while Sanders dropped six points, O’Rourke four and Harris three.