Warren gains on Sanders, Biden in new national poll

Sen. Elizabeth WarrenElizabeth Ann WarrenOvernight Health Care — Presented by Partnership for America's Health Care Future — Pelosi unveils signature plan to lower drug prices | Trump says it's 'great to see' plan | Progressives pushing for changes Buttigieg calls Warren 'evasive' on Medicare for all Sanders hits 1 million donors MORE (D-Mass.) is gaining ground on top-tier White House contenders Sen. Bernie SandersBernie SandersOvernight Health Care — Presented by Partnership for America's Health Care Future — Pelosi unveils signature plan to lower drug prices | Trump says it's 'great to see' plan | Progressives pushing for changes Krystal Ball calls on Sanders to follow Yang's lead on war on drugs Buttigieg calls Warren 'evasive' on Medicare for all MORE (I-Vt.) and former Vice President Joe BidenJoe BidenGiuliani clashes with CNN's Cuomo, calls him a 'sellout' and the 'enemy' Giuliani says 'of course' he asked Ukraine to look into Biden seconds after denying it Trump whistleblower complaint involves Ukraine: report MORE, according to a new Hill-HarrisX survey.

The survey released on Tuesday still shows Warren in third place, but she has ticked up four points over the past two weeks to 14 percent support among likely Democratic and independent voters.

Biden, meanwhile, held onto the top spot with 30 percent, but is down 1 percentage point. Sanders placed second at 17 percent and is up 1 point from the Aug. 9-10 poll.

Sen. Kamala HarrisKamala Devi HarrisTwo former Congressional Black Caucus chairmen back Biden Strippers, 'Hustlers' and the Democratic debates 2020 Dems honor Emily Clyburn MORE (D-Calif.) tied with South Bend, Ind., Mayor Pete ButtigiegPeter (Pete) Paul ButtigiegOvernight Health Care — Presented by Partnership for America's Health Care Future — Pelosi unveils signature plan to lower drug prices | Trump says it's 'great to see' plan | Progressives pushing for changes Buttigieg calls Warren 'evasive' on Medicare for all Overnight Energy: Trump officials formally revoke California emissions waiver | EPA's Wheeler dodges questions about targeting San Francisco over homelessness | 2020 Dems duke it out at second climate forum MORE for fourth place, with each receiving 4 percent support. 

Former Rep. Beto O’Rourke (D-Texas) rounded out the top five at 3 percent, a 1 point decrease compared to the previous poll.

Sen. Cory BookerCory Anthony BookerOvernight Energy: Trump officials formally revoke California emissions waiver | EPA's Wheeler dodges questions about targeting San Francisco over homelessness | 2020 Dems duke it out at second climate forum Two former Congressional Black Caucus chairmen back Biden Strippers, 'Hustlers' and the Democratic debates MORE (N.J.), tech entrepreneur Andrew YangAndrew YangKrystal Ball calls on Sanders to follow Yang's lead on war on drugs Overnight Energy: Trump officials formally revoke California emissions waiver | EPA's Wheeler dodges questions about targeting San Francisco over homelessness | 2020 Dems duke it out at second climate forum Again, DNC debate moderators fail to ask about democracy issues MORE and Montana Gov. Steve BullockSteve BullockNew poll finds Biden, Warren in virtual tie in Iowa Gabbard drives coverage in push to qualify for October debate Partisan divisions sharpen as independent voters fade MORE (D) were the only other candidates that polled above 1 percent in the poll. 

The latest results come amid signs that Sanders and Warren are cutting into Biden's lead over the Democratic contenders for the White House, though the former vice president remains the front-runner.

The Hill-HarrisX poll surveyed 465 Democratic and independent registered voters between Aug. 23 and Aug. 24 with a margin of error of plus or minus 4.6 percentage points.

—Tess Bonn