Top 25 super PAC donors for 2012 election cycle

Rank Name Total Given Ideology
1 Sheldon Adelson & family (see profile) $93.3 million Republican
2 Harold Simmons & wife, companies (see profile) $30.9 million Republican
3 Bob Perry (see profile) $23.5 million Republican
4 Fred Eychaner (see profile) $14.1 million Democratic
5 Joe Ricketts (see profile) $13.1 million Republican
6 William S. Rose (Specialty Group) (see profile) $12.1 million Republican
7 United Auto Workers (see profile) $11.8 million Democratic
8 National Education Association (see profile) $10.8 million Democratic
9 Michael Bloomberg (see profile) $10 million Independent
10 Republican Governors Association (see profile) $9.8 million Republican
11 James H. Simons (see profile) $9.6 million Democratic
12 AFSCME (see profile) $8.2 million Democratic
13 AFL-CIO (see profile) $7.4 million Democratic
14 Robert B. Rowling (see profile) $6.1 million Republican
15 American Federation of Teachers (see profile) $5.8 million Democratic
16 Robert Mercer (see profile) $5.5 million Republican
17 Steve and Amber Mostyn (see profile) $5.2 million Democratic
18 George Soros* & family (see profile) $5.1 million Democratic
19 William Koch (see profile) $4.8 million Republican
20 Peter Thiel (see profile) $4.7 million Republican
21 SEIU (see profile) $4.4 million Democratic
21 Joe Craft (see profile) $4.4 million Republican
23 John Childs (see profile) $4.2 million Republican
23 Plumbers and Pipefitters Union (see profile) $4.2 million Democratic
25 Jerry Perenchio (see profile) $4.1 million Republican

*George Soros is the chairman of the Open Society Foundation, which provides funding for the Center for Public Integrity. See a list of the Center's donors.

Source/Methodology: Center for Responsive Politics and Center for Public Integrity analysis of Federal Election Commission records. Totals include contributions from individuals, family members and corporations that are controlled by the individual super donor. Totals reflect donations made during the 2011-2012 election cycle, through Nov. 26.