Kentucky Lt. Gov. Daniel Mongiardo (D) announced Tuesday that he raised nearly $514,000 during the third quarter and ended September with $751,000 cash on hand.

Mongiardo is battling state Attorney General Jack Conway in one of the most closely watched Democratic Senate primaries of the cycle.

“Our campaign of Kentuckians for Kentuckians and by Kentuckians is a testament to the support our campaign has generated,— Mongiardo said in a statement. “We have received contributions from all 120 Kentucky counties.—

Mongiardo raised just $303,000 in the second quarter, a paltry amount compared with Conway’s $1.3 million haul. Conway reported about $1.2 million on hand as of June 30.

Conway’s camp has yet to announce its third-quarter fundraising totals but campaign manager Mark Riddle said in a statement Tuesday that the attorney general’s total bested Mongiardo’s haul from July to September.

“We continue to be humbled by the outpouring of support across Kentucky, and we will release fundraising numbers in the coming days showing we have once again outraised the Mongiardo campaign,— Riddle said. “It is clear that Jack Conway has the momentum in this campaign.—