Gov. Larry Hogan's re-election war chest swelled by nearly $4.5 million this year, campaign finance reports show, bringing his campaign accounts to $5.1 million.
The reports were filed with the Maryland State Board of Elections on Wednesday afternoon, ahead of a midnight deadline.
The popular Republican governor and Lt. Gov. Boyd Rutherford together raised more in the past year than they did during their 2014 campaign, which relied on Maryland's public financing system.
The 2016 sum is more than double what the governor's team collected the previous year, and it dwarfs what leading candidates in 2013 raised 18 months before the 2014 election.
The last sitting Republican governor to seek re-election, Robert L. Ehrlich Jr. in 2006, raised $18 million for that campaign.
Only one Democrat, Baltimore County Executive Kevin Kamenetz, has said he's weighing a bid against Hogan. Kamenetz reported raising about $460,000, bringing his cash on hand to $1.6 million.
Meanwhile, Rep. Anthony Brown's records show he repaid $160,000 of a $500,000 loan he received from the Laborers International Union to bolster his failed bid for governor in 2014.