Top 10 political donors of 2014
A POLITICO analysis of campaign filings finds that the 100 biggest donors combined to give $323 million during the 2014 midterms - almost as much as the $356 million given by 4.75 million small donors. These are the top 10 biggest donors.
People on this list have the most positions in the following organizations.

Companies

1-5 of 25 :: see all
Company People
Renaissance Technologies LLC James H. Simons, Robert Mercer
TD Ameritrade Holding Corporation J Joe Ricketts
Koch Industries, Inc. David Koch
Bloomberg Michael Bloomberg
Hellman and Friedman LLC Tom Steyer

Government Bodies

1-5 of 5 :: see all
Govt Body People
Library of Congress David Koch
Office of the Mayor of New York City Michael Bloomberg
Advisory Committee for Trade Policy and Negotiations Sheldon Adelson
Empire State Relief Fund James H. Simons
City of New York Michael Bloomberg

Other Organizations

1-5 of 122 :: see all
Org People
Rockefeller University David Koch, James H. Simons
Breakthrough Energy Coalition Michael Bloomberg, Tom Steyer
Republican Jewish Coalition Sheldon Adelson, Paul Singer
Johns Hopkins University Michael Bloomberg
Massachusetts Institute of Technology James H. Simons