Money by state
$3.8M was spent for or against federal candidates in Wisconsin in 2026.
Who took in the most
What each campaign reported receiving.
| WI | 8,503 | $4.5M | |
| WI | 6,290 | $2.2M | |
| WI | 2,052 | $662.7K |
A receipt shows who gave, not what they wanted.
Outside spending by candidate: 10 candidates
| Michael Alfonso | Republican | U.S. House, WI | $2.2M | — | 2 |
| Jessi Ebben | Republican | U.S. House, WI | $972K | — | 2 |
| Rebecca Cooke | Democratic | U.S. House, WI | $235.1K | — | 2 |
| Derrick F. Van Orden | Republican | U.S. House, WI | $153.9K | $78K | 6 |
| Ron Harold Johnson | Republican | U.S. Senate, WI | $71.6K | — | 2 |
| Tammy Baldwin | Democratic | U.S. Senate, WI | $10.9K | $17.4K | 3 |
| Rebecca Cooke | Democratic | U.S. House, WI | $11.5K | — | 2 |
| Mandela Barnes | Democratic | U.S. Senate, WI | $3.3K | — | 1 |
| Randy Bryce | Democratic | U.S. House, WI | $1K | — | 1 |
| Tom Tiffany | Republican | U.S. House, WI | $313 | — | 1 |