Elizabeth Warren raised $21.2 million for her White House bid during the final quarter of 2019.<br />Business Insider reports her number dropped from the prior quarter.<br />She finishes the year with a late surge in donations on the day she delivered a New Years Eve speech.<br />The tally puts Warren behind her rivals.<br />Bernie Sanders raised more than $34.5 million in the fourth quarter.<br />Pete Buttigieg raised $24.7 million.<br />Joe Biden raised $22.7 million in the same period.