Spending Group Amount
1 Congressional Leadership Fund$67,863,069
2 Senate Leadership Fund$40,227,804
3 National Republican Congressional Committee$39,133,214
4 New Republican PAC$29,538,267
5 Club for Growth Action$19,445,946
6 National Republican Senatorial Committee$17,601,549
7 Americans for Prosperity Action$9,511,294
8 Ending Spending Action Fund$5,847,256
9 Texans Are PAC$5,152,296
10 Americans for Prosperity$3,981,919
11 House Freedom Action$3,667,034
12 Club for Growth Action Missouri$2,963,659
13 America First Action$2,923,884
14 National Rifle Association$2,589,037
15 American Crossroads$2,548,887