Former Rep. Beto O’Rourke (D-Texas) teased a “big announcement” political future as speculation grows that the former senate candidate has his sights set on the White House in 2020.

His camp sent out an email blast to supporters inviting them to be the first to know about O’Rourke’s next move but did not clarify the date when the announcement will be made.

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“There’s been an outpouring of speculation, excitement, and support from people across the country — everyone eagerly waiting for the news. Many of us are crossing our fingers and hoping that Beto has decided to run,” the email said.

.@BetoORourke's camp emails supporters asking them to sign up to be "first to hear Beto’s big announcement." There's no date on when the announcement will come. #tx2020 pic.twitter.com/ucFitpJlRo — Alexandra Samuels (@AlexSamuelsx5) March 9, 2019

O’Rourke shot to national prominence last year after his insurgent bid to unseat Sen. Ted Cruz Rafael (Ted) Edward CruzTrump argues full Supreme Court needed to settle potential election disputes Press: Notorious RBG vs Notorious GOP The Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy MORE transfixed the Democratic Party base and raked in a record amount of small, individual donations. Though he fell short by under three points in the ruby red Lone Star State, the enthusiasm around his campaign sparked widespread calls for the former congressman to run for president in 2020.

“And now I’m ready for us to bring our movement to the rest of the country. It’s the exact kind of campaign that America needs right now, and it’s why so many of us are hoping that Beto has decided to launch a campaign for President of the United States,” Cynthia Cano, the deputy campaign manager for O’Rourke’s Senate bid, said in the email.

O’Rourke has already turned down repeated entreaties from Senate Minority Leader Chuck Schumer Chuck SchumerSenate Democrats introduce legislation to probe politicization of pandemic response Schumer interrupted during live briefing by heckler: 'Stop lying to the people' Jacobin editor: Primarying Schumer would force him to fight Trump's SCOTUS nominee MORE (D-N.Y.) to forego a White House bid and instead take on Sen. John Cornyn John CornynThe Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Liberal super PAC launches ads targeting vulnerable GOP senators over SCOTUS fight Senate GOP faces pivotal moment on pick for Supreme Court MORE (R-Texas) next year. He emerged to a raucous ovation when he made a surprise appearance Saturday at the South by Southwest festival in Austin for the premier of a documentary about his Senate campaign.

The Texas Democrat would face an already packed primary field should he throw his hat into the ring. High caliber candidates like Sens. Bernie Sanders Bernie SandersButtigieg stands in as Pence for Harris's debate practice Bernie Sanders warns of 'nightmare scenario' if Trump refuses election results Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (I-Vt.), Kamala Harris Kamala HarrisButtigieg stands in as Pence for Harris's debate practice First presidential debate to cover coronavirus, Supreme Court Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (D-Calif.), Cory Booker Cory Anthony BookerBipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility Democratic lawmakers call for an investigation into allegations of medical neglect at Georgia ICE facility MORE (D-N.J.), Elizabeth Warren Elizabeth WarrenHarris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda Judd Gregg: The Kamala threat — the Californiaization of America GOP set to release controversial Biden report MORE (D-Mass.) and more have already announced their campaigns, and former Vice President Joe Biden Joe BidenOmar fires back at Trump over rally remarks: 'This is my country' Trump mocks Biden appearance, mask use ahead of first debate Trump attacks Omar for criticizing US: 'How did you do where you came from?' MORE is also expected to make a White House run.

Though he would have to make up some ground in the fundraising battle against other candidates, some of whom have already been campaigning for months, O’Rourke could turn to his 2018 campaign strategy to try to replenish his coffers from small, individual donations from across the country.