South Dakota Senate Fundraising
Incumbent Mike Rounds is up for election in South Dakota's Senate in 2026. This race is rated as . We estimate that $5.15M has been spent on this race over the last two years. Republicans have outspent Independents by $4.32M over that time period, per our estimates.
Cumulative Spending by Party
Note: Recent data is often incomplete due to lags between spending and disclosure
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John Thune
Quarterly Committee Fundraising Amount: $643,789% Individual: 51.79%Committee Cash on Hand: $17,018,310 -
Mike Rounds
Quarterly Committee Fundraising Amount: $396,121% Individual: 46.25%Committee Cash on Hand: $2,895,460 -
Brian Bengs
Quarterly Committee Fundraising Amount: $174,246% Individual: 100.00%Committee Cash on Hand: $44,544 -
Julian C Beaudion
Quarterly Committee Fundraising Amount: $33,228% Individual: 89.93%Committee Cash on Hand: $25,205
Outside Spending
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