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| Rank | Name | Total Given | Ideology |
| 1 | Sheldon Adelson & family (see profile) | $53.7 million | Republican |
| 2 | Harold Simmons & wife, companies (see profile) | $26.9 million | Republican |
| 3 | Bob Perry (see profile) | $21.5 million | Republican |
| 4 | Joe Ricketts (see profile) | $12.9 million | Republican |
| 5 | Fred Eychaner (see profile) | $12 million | Democratic |
| 6 | National Education Association (see profile) | $9 million | Democratic |
| 7 | United Auto Workers (see profile) | $8.6 million | Democratic |
| 8 | Republican Governors Association (see profile) | $8.3 million | Republican |
| 9 | James H. Simons (see profile) | $7.6 million | Democratic |
| 10 | AFL-CIO (see profile) | $6.4 million | Democratic |
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 2011-2012 cycle, through Oct. 17.