Since then, Politico reported, WinRed has collected more than $1.9 billion for GOP candidates and groups. That figure includes fundraising totals of $430 million in October and $374 million in November.
In total, Trump and the committee raised almost $2 billion, in comparison with the former vice president and the Democratic National Committee's $1.69 billion, according to a Friday report in NPR.
In an October blog post, WinRed president Gerrit Lansing wrote that WinRed's success is due largely to "unprecedented party unity behind the need to take on ActBlue," the platform's Democratic rival.
"In fact, 52% of all money for the top 40 fundraising House & Senate campaigns (including national party committees) was processed through WinRed after we launched this cycle," Lansing noted.
According to reporting from Washington State's The News Tribune, ActBlue had processed more than $3.7 billion in contributions through the third fundraising quarter.
The Peach State contests between Republican incumbent Sens. Kelly Loeffler and David Perdue and Democratic challengers Raphael Warnock and Jon Ossoff will decide control of the upper chamber.
Steven Law, the president of the Senate Leadership Fund, told "America's Newsroom" on Thursday that his super PAC had brought in $104 million from Oct. 15 through Nov. 23, with the majority raised since Election Day.
The committee told Fox News that its allied outside group American Crossroads has already doled out $83 million to run or reserve ad time in the runoffs.