On July 15, candidates for the Office of Wisconsin Governor were required to report campaign finance data – including all contributions – from January 1, 2026, through June 30, 2026. The following campaign finance data from this time frame addresses the current candidates for governor, as of July 17:

Former Lt. Governor Mandela Barnes (D)

• Raised $840,000
• Spent $1.1 million
• Had $240,000 cash on hand as of June 30

State Rep. Francesca Hong (D-Madison)

• Raised $709,000
• Spent $433,000
• Had $411,000 cash on hand as of June 30

Former Evers Administration Official Joel Brennan (D)

• Raised $666,000
• Spent $858,000
• Had $360,000 cash on hand as of June 30

State Sen. Kelda Roys (D-Madison)

• Raised $527,000
• Spent $454,000
• Had $406,000 cash on hand as of June 30

Congressman Tom Tiffany (R-Minocqua)

• Raised $8.72 million
• Spent $6.4 million
• Had $3 million cash on hand as of June 30