Wednesday was the deadline for candidates to file their latest campaign finance reports.
Lobbyist Karrin Taylor Robson says she has raised more than $4 million since launching her campaign to become the Republican nominee for governor.
Robson reportedly put in more than $2 million of her own money since announcing in February.
In comparison, GOP Congressman Andy Biggs has raised a total of $1.2 million since starting his campaign in January.
Republican Congressman David Schweikert didn’t have to hit Wednesday's deadline because he announced his candidacy late last month.
Democratic Gov. Katie Hobbs has brought in $1.5 million in the last three months, bringing her total to over $9 million. Hobbs says most of her reelection campaign dollars come from small donations.