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
- Raised $840,000
- Spent $1.1 million
- Had $240,000 cash on hand as of June 30
State Rep. Francesca Hong (Madison)
- Raised $709,000
- Spent $433,000
- Had $411,000 cash on hand as of June 30
Former Evers Administration Official Joel Brennan
- Raised $666,000
- Spent $858,000
- Had $360,000 cash on hand as of June 30
State Sen. Kelda Roys (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