The cascade of cash Angle took in between July and September is a worrying sign for the Democratic leader, who is locked in a dead heat with the Republican challenger.
Angle's campaign Tuesday did not immediately release figures showing how much money she had left in the bank for the campaign's stretch run.
Reid has said he intends to raise $25 million for the race.
His campaign has not yet released its fundraising numbers for the third quarter.
Angle was once a little-known former legislator whose come from behind victory in the June primary made her a national tea party star.