"The brash Texas senator’s anti-Washington rhetoric made him a tea party favorite and has won him an impressive network of small donors. Contributors of $200 or less made up nearly 42 percent of the $66.2 million, but he has also attracted big money — six-, seven- and even eight-figure checks have gone to his super PACs. Eight groups have brought in a combined $52 million so far in pro-Cruz money. He’s the candidate most of the largest donors this cycle have backed.
For the super PACS that have been backing Cruz the longest just six donors account for 79 percent of their total fundraising. Three billionaire families gave $36 million to Keep the Promise I, II and III.