Unique donors Found153
Number of Contributions Sorted20,463
Total Value of Contributions$2,769,602,518
Ordered BySum (High to Low)
Top donors
Transactions on Record
Total Value of Contributions
51Institute for Humane Studies33$2,794,088
52Institute for Foreign Policy Analysis10$2,574,500
53Gotham Charitable Foundation Trust39$2,187,000
54Earhart Foundation27$2,144,153
56Colcom Foundation18$2,079,298
57Charles Koch1$2,000,000
58David Koch1$2,000,000
59Enterprise Freedom Action Committee5$1,802,241
60American Democracy Alliance10$1,775,000
61Philanthropy Roundtable10$1,750,000
62NumbersUSA Education and Research Foundation6$1,670,000
64Cato Institute57$1,607,848
65Enactus (formerly Students in Free Enterprise)177$1,593,600
66Black Alliance for Educational Options35$1,453,898
67Heartland Institute20$1,423,000
68Alliance Management Holdings3$1,275,000
69Institute for American Values22$1,182,347
70Foundation for Excellence in Education10$1,144,114
71Media Research Center8$1,143,616
72Gilder Foundation7$1,135,000
73American Enterprise Institute for Public Policy Research2$1,126,291
74Founding Fund6$1,090,000
75American Chemistry Council8$1,082,160
76American Electric Power3$1,025,000
77Collegiate Network3$1,020,000
78Ronald Cameron2$1,000,000
79National Right to Work Legal Defense Foundation14$997,500
80Illinois Policy Institute6$980,293
83Foundation for Defense of Democracies3$854,488
84Prudential Financial2$668,750
85Scaife Family Foundation5$625,000
86Focus on the Family16$616,312
87New Majority California2$525,000
88Dunn's Foundation for the Advancement of Right Thinking3$500,100
89Thewes Family Foundation10$488,500
90Conservative Action League9$431,584
91Smith Richardson Foundation9$417,332
92American Energy Alliance3$415,000
93Citizens In Charge2$384,884
94Judicial Education Project6$360,000
95Alliance Holdings GP2$350,000
96Construction Business Group12$325,000
97Alliance for America's Future6$289,500
98Alliance Coal LLC3$280,000
99The Libre Initiative1$275,000
100Acton Institute for the Study of Religion and Liberty7$267,000
The contributions documented in Conservative Transparency are based on a review of publicly available filings with the Internal Revenue Service and Federal Election Commission, as well as state-level data from a variety of sources. For more information about our methodology, visit our about page.