Democratic presidential candidate Sen. Elizabeth Warren (D-MA) greets supporters at a canvass kickoff event at one of her campaign offices on February 20, 2020 in North Las Vegas, Nevada. Nevada Democrats will hold their presidential caucuses on February 22, the third nominating contest in the presidential primary season.

LAS VEGAS – Sen. Elizabeth Warren reversed her position on rejecting super PAC support on Thursday as she seeks a comeback in the Democratic presidential primary.

Warren, who has previously said that she would disavow the support of a super PAC that sought to aid her bid for the presidency, told reporters that she had changed her mind after failing to get her rivals to join her in repudiating the outside spending groups.

The reversal is a dramatic change of heart for the Massachusetts progressive. Warren boasted during the Democratic debate in New Hampshire earlier this month that only she and Sen. Amy Klobuchar lacked super PAC backers.

But, on Thursday, Warren said that the fact that only the "two women" didn't have super PAC support was "just not right."

"So here's where I stand. If all the candidates want to get rid of super PACs, count me in. I'll lead the charge," Warren said. "But that's how it has to be. It can't be the case that a bunch of people keep them and only one or two don't."

A super PAC backing Klobuchar, called Kitchen Table Conversations, filed paperwork with the FEC on Friday.

"So look, the first day I got in this race over a year ago, I said I hope every presidential candidate who comes in will agree – no super PACs for any of us. I renewed that call dozens of times," Warren said. "And I couldn't get a single Democrat to go along with it."

"Finally, we reached the point a few weeks ago where all of the men who were still in this race and on the debate stage all had either super PACs or they were multibillionaires and could just rummage around their sock drawers and find enough money to be able to fund a campaign," she said.