The Democratic Senatorial Campaign Committee raised $5.8 million in July, leaving it with $32.4 million in cash on hand as of July 31.
The DSCC has now raised $83.6 million for the cycle, as the committee looks to hold on to the party's 53-47 Senate majority.
The DSCC outraised the National Republican Senatorial Committee in June, $8 million to $4.5 million. The NRSC has not yet released its July fundraising figures. Reports are due to be filed today.