Story highlights Hillary Clinton's haul leaves the campaign with $31 million cash on hand

Her February haul is less than what primary opponent Bernie Sanders raised in the same month

(CNN) Hillary Clinton's presidential campaign raised $30 million in the month of February, the campaign announced Wednesday, less than what Bernie Sanders' presidential campaign brought in for the month.

Clinton's haul leaves the campaign with $31 million cash on hand, a sizable bank roll for a campaign that will have to spend heavily during March's primaries and caucuses.

"We continue to beat every fundraising goal and, more importantly, make smart and efficient investments," said Robby Mook, Clinton's campaign manager. "Grassroots support is truly powering this campaign as the majority of our fundraising came from online donations."

He added, "That support has helped Hillary Clinton gain momentum by winning three out of four contests in February, and eight on Super Tuesday. We move forward with a commanding pledged delegate lead and the resources we need to run a competitive race."

Sanders campaign announced Tuesday that they raised $42 million in the month of February, an impressive haul for a candidate whose bright spot in the campaign trail has been fundraising. The haul is the most a 2016 candidate has raised in a single month.

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