Presumptive Republican presidential nominee Mitt Romney far outraised President Barack Obama in June.

Romney for President, Romney Victory and the Republican National Committee raised a combined $106 million last month, and the coalition ended June with $160 million in cash on hand, according to a Romney campaign press release.

The Obama campaign raised $71 million in the same period, according to several reports.

The margin between the two campaigns doubled from last month, when Romney outraised Obama by $17 million.