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.