Big money won big on Election Day. That is, big money supporting Democrats.

In this year's campaign, many wealthy individuals and groups with large campaign coffers were involved -- directly with contributions to candidates or indirectly through outside spending. Sunlight decided to zero in on five mega-donors who gave the most to super PACs backing liberal candidates. They comprise two millionaires, two unions and a political action committee with strong ties to labor:

• Media executive Fred Eychaner, who gave $12 million;
• Retired hedge fund manager James Simons, $7.5 million;
• The National Education Association (NEA), $8.5 million; 
• The United ...