(CNN) - Mitt Romney's presidential campaign said Wednesday it raised $18.25 million in the past three months, putting the former Massachusetts governor far ahead of his GOP rivals in the battle for campaign cash.

Romney's campaign also reported that as of July 1 they have $12.6 million in the bank, and that all the money raised in this year's second quarter is for the primaries rather than the general election. The campaign added that funds were raised in all 50 states and the District of Columbia.