1. Robert Mercer, Renaissance Technologies - $13.5 million
Mercer started a super PAC to support Ted Cruz and Kellyanne Conway managed it. When Cruz dropped out Mercer changed the name of the super PAC and focused on supporting Trump's campaign.
Casino magnate Sheldon Adelson is the CEO of Las Vegas Sands Corporation. He and his wife both gave $5 million each to the Future45 super PAC. Adelson also gave $1.5 million to RNC that year.
She gave $6 mil to the pro-Trump super PAC Rebuilding America Now. McMahon, who runs a company that promotes women in business, has called Trump's comments about women "deplorable." She got a cabinet position
87-year-old Bernard Marcus is the co-founder and former CEO of Home Depot. He currently sits on the board of the Republican Jewish Coalition. He gave to the Rebuilding America Now and Make America Number 1 super PAC.
Palmer is a real estate magnate whose buildings in Los Angeles are known for their characteristic "fauxtalian" style. He donated to Trump's campaign through the Rebuilding America Now super PAC.
Cameron is CEO of an Arkansas-based poultry company called Mountaire Corp. He previously contributed $3 million to Mike Huckabee's bid for president and donated to the pro-Trump Rebuilding America Now super PAC.
Venture capitalist Peter Thiel donated to Donald Trump's campaign through super PACs and the official campaign committee. Thiel is also a director at Facebook (FB).
Buckley is the CEO of Actua Corporation, a publicly traded venture capital firm that acquires and builds cloud companies. He donated to the Rebuilding America Now super PAC.
Cherna Moskowitz is the president of Hawaiian Gardens Casino and the Irving Moskowitz Fundation. She donated to Mercer's Maker America Number 1 super PAC.
Peter Zieve is the founder and president of Electroimpact, a manufacturing firm that counts Boeing and Airbus among its customers.