Hundreds of millions of dollars flowing to the 2016 presidential candidates go to "super PACs," the political groups that can raise unlimited sums as long as they don't coordinate directly with campaigns. The groups were required to report the names of donors and other information to federal election officials Friday. The biggest donors so far to major presidential candidates:
$3 million: Miguel Fernandez, founder of MBF Healthcare Partners, a private equity firm based in Miami
$2 million: Rooney Holdings, a private investment firm based in Tulsa, Okla., and headed by Francis Rooney, U.S. ambassador to the Vatican during the George W. Bush...