Republican Richard Mourdock raised $700,000 more in campaign contributions during the second quarter than did his Democratic rival for a U.S. Senate seat from Indiana, according to media reports.

Mourdock’s campaign confirmed Monday that it collected $1.6 million in contributions in April, May and June. Part of that period covers the state treasurer’s primary-election battle against six-term incumbent Sen. Richard Lugar for the GOP nomination, which Mourdock won May 8 by a wide margin.

Rep. Joe Donnelly, D-2nd, who was unopposed in his party’s Senate primary, raised $900,000 in the second quarter, according to the Washington Post, Roll Call and the Hill. Donnelly's campaign confirmed the total.

"Also, Joe's campaign will report over $1.3 million in cash on hand," campaign manager Elizabeth Shappell said in an email.

Mourdock's campaign did not provide a figure on its available cash.

Second-quarter campaign finance reports must be filed with the Federal Election Commission by Saturday.

Post columnist Chris Cillizza wrote last week that Donnelly needed to raise at least $750,000 in the quarter “to show what he’s made of” after what Cillizza described as “meager fundraising.”

In a pre-primary report filed with the FEC that ran through April 18, Donnelly had raised $1.74 million in the current election cycle and had $801,000 in available cash.

Mourdock’s pre-primary report for the same period showed he’d raised nearly $2.02 million and had $255,000 in cash.

Lugar had received $5.53 million in contributions and had nearly $1.4 million in cash as of April 18.

The reports do not account for money raised and spent independently of candidates by “super” political action committees.