Sen. Kamala HarrisKamala HarrisHarris stumps for McAuliffe in Virginia Biden, Harris mark 10th anniversary of MLK memorial Watch live: Biden, Harris deliver remarks at MLK Jr. Memorial anniversary MORE (D-Calif.) raised close to $12 million from 279,000 donors in the second quarter, well below the amount brought in by former Vice President Joe BidenJoe BidenBiden: Democrats' spending plan is 'a bigger darn deal' than Obamacare Biden says he's open to altering, eliminating filibuster to advance voting rights Biden: Comment that DOJ should prosecute those who defy subpoenas 'not appropriate' MORE and Sen. Bernie SandersBernie SandersBiden says expanding Medicare to include hearing, dental and vision a 'reach' Schumer endorses democratic socialist India Walton in Buffalo mayor's race On The Money — Sussing out what Sinema wants MORE (I-Vt.).
Nearly 150,000 of Harris's contributors were new donors, according to her campaign.
The average contribution in the second quarter was $39. Harris brought in $7 million through her digital program, with an average online donation of $24, her campaign said.
The new quarterly figures bring Harris's total fundraising to $23 million.
Harris's fundraising trails that of Biden, Sanders and South Bend, Ind., Mayor Pete ButtigiegPete ButtigiegAirlines should give flight attendants 10 hours of rest between flights: FAA GOP memo urges lawmakers to blame White House 'grinches' for Christmas delays Emanuel to take hot seat in Senate confirmation hearing MORE (D).
Buttigieg brought in $24.8 million during the second quarter, followed by Biden who raised $21.5 million. Sanders raked in $18 million during that time period.
Biden and Buttigieg launched their campaigns in April.
Harris was thrust into the spotlight last week after she confronted Biden on his civil rights record at the first Democratic primary debate.
She has since seen a jump in the polls, while Biden appears to be slipping.
A Reuters/Ipsos poll released Wednesday found that Biden's support had fallen to 22 percent from 30 percent, while Harris overtook Sen. Elizabeth WarrenElizabeth WarrenDemocrats scramble to reach deal on taxes Ethics office warned officials about unnecessary trades Fed imposes tougher rules on financial trades amid scandal MORE (D-Mass.) for third place.