His third-quarter fundraising haul was a marked decrease from his second-quarter haul of $1.1 million, but he's got a solid $3.4 million cash in the bank.

Cassidy is the establishment pick to challenge Sen. Mary LandrieuMary Loretta LandrieuLandrieu dynasty faces a pause in Louisiana Senate GOP rejects Trump’s call to go big on gun legislation Project Veritas at risk of losing fundraising license in New York, AG warns MORE (D), whom Republicans believe to be vulnerable due to Louisiana's increasingly red tint.

She has not yet released her third-quarter numbers, but at the end of July had nearly $5 million cash on hand.