Top Donors (2015):
* [[Lynde and Harry Bradley Foundation]] - $1,250,000 to support the Family Prosperity Index <ref name="SW">SourceWatch, [httphttps://www.sourcewatch.org/index.php/Koch_Family_Foundations#2015_.5B14.5D Contributions of the Bradley Foundation], ''SourceWatch website'', Accessed August 3, 2017. </ref>
* [[Lynde and Harry Bradley Foundation]] - $35,000 to support the Jean Kirkpatrick Academic Freedom Award and Ronald Reagan Banquet at CPAC 2016 <ref name="SW"/>
* [[Koch Family Foundations]] - $3,000 <ref>SourceWatch, [httphttps://www.sourcewatch.org/index.php/Koch_Family_Foundations#2015_.5B14.5D Koch Family Foundations], ''SourceWatch website'', Accessed August 3, 2017. </ref>
Between 1998 and 2014, the American Conservative Union Foundation received $1,125,270 in donations. <ref>Conservative Transparency, [http://conservativetransparency.org/basic-search/?q=American+Conservative+Union&sf%5B%5D=candidate&sf%5B%5D=donor&sf%5B%5D=recipient&sf%5B%5D=transaction&sf%5B%5D=finances Total Value Of Contributions: American Conservative Union Foundation], ''Conservative Transparency website'', Accessed August 3, 2017. </ref>