Five months after the U.S. Supreme Court’s McCutcheon v. Federal Election Commission ruling struck down certain limits to the campaign contributions, the election cycle is already flooded with more money from wealthy individuals that would not have been allowed prior to the decision. 

By the end of June, at least 310 donors who spent above the pre-McCutcheon cap had already contributed a total of $49.8 million — $11.6 million more than would have been permitted before the April ruling, according to data from the research organization Center for Responsive Politics. While these donors favors Republicans two to one, they also write big checks to Democrats.

Who are these wealthy individuals? Some are well-known, politically influential billionaires, including Charles and David Koch, Sheldon Adelson, and George Soros. Others are hedge fund managers, real estate magnates, and wealthy business people. At 310 people so far, they represent less than one in a million Americans, analysts at the Center for Responsive Politics point out.