Senate Republicans’ campaign arm picked up $10.1 million during the first two weeks of October and has spent has spent roughly $35.5 million since Sept. 1, according to fundraising summaries released Thursday.

The National Republican Senatorial Committee also said it had $10 million saved as of Oct. 15 for the final push toward Election Day on Nov. 4.

The campaign committees faced a Thursday deadline to file one last set of federal reports before Election Day. The Democratic Senatorial Campaign Committee figures were expected later in the day.

Donors are flooding the campaign committees with late cash as they realize it is increasingly possible that the Republicans might take over the Senate. The parties broke fundraising records in September.

If Republican pick up six seats, they will capture control of the Senate for the first time since the 2006 mid-term elections gave control to the Democrats.

The Democratic Senatorial Campaign Committee raised $16 million in September and began October with more than $14 million ready to spend. The group also spent $27 million over a 30-day period in September, emptying bank accounts that have collected $127 million between Jan. 1 2013 and Oct. 1, 2014.

The National Republican Senatorial Committee, meanwhile, raised $15.5 million last month — roughly four times its average monthly haul this cycle. The Republicans have collected $108 million since January 2013.

Democrats have consistently bested Republicans when it comes to getting supporters to open their wallets. Heading into October, the DSCC has outraised the NRSC in 19 of the 21 months this campaign cycle — and every month this year.

(AP)