Kentucky Secretary of State Alison Lundergan Grimes (D) has posted a huge fundraising quarter, bringing in more than $4 million in her race against Senate Minority Leader Mitch McConnellMitch McConnellThe Trump Administration has definitely not drained the swamp How does placing sanctions on Russia help America? THE MEMO: Trump's wild first month MORE (R-Ky.) during the past three months.

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Grimes, who's running competitively against McConnell in the Republican-leaning state, has raised $11.6 million since she launched her campaign and has $6.2 million in the bank as of the end of June.

McConnell hauled in $3.1 million during the same period, he announced Tuesday afternoon, and has $9.8 million in the bank, having raised $25 million overall this campaign cycle.

Grimes is the latest Senate Democrat to reveal a huge fundraising haul. Georgia Democrat Michelle Nunn brought in $3.5 million during the same period, while Sen. Kay HaganKay HaganLinking repatriation to job creation Former Sen. Kay Hagan in ICU after being rushed to hospital GOP senator floats retiring over gridlock MORE (D-N.C.) raised $3.6 million. 

—This post was updated at 3:40 p.m.