
U.S. Senate District (at-large)
2026 general election.
Incumbents

Challengers
Campaign finance
Federal Election Commission filings for the 2026 two-year cycle. Candidates appear in the order they are listed on this page. They are not ranked by money, and these measures are never combined into a single score.
Every candidate below reports through Jun 30, 2026.
| Candidate | Total receipts | Cash on hand | Direct PAC receipts |
|---|---|---|---|
| Marion Michael Rounds Republican incumbent | $3,176,451 | $2,736,664 | $1,381,800 |
| Brian L. Bengs Independent | $782,050 | $51,406 | $5,000 |
Each measure below has its own scale and starts at zero, so bars can be read against each other within a measure but not across measures. Every figure is reported through Jun 30, 2026.
Total receipts
Everything the authorized campaign committee took in, including contributions, loans, and transfers.
Highest total receipts: Marion Michael Rounds at $3,176,451. Lowest: Brian L. Bengs at $782,050. The largest reported value sets this scale at $3,176,451.
Cash on hand
The balance the campaign reported at the end of its coverage period.
Highest cash on hand: Marion Michael Rounds at $2,736,664. Lowest: Brian L. Bengs at $51,406. The largest reported value sets this scale at $2,736,664.
Direct PAC receipts
Money the campaign received from PACs and other political committees. This is not outside spending.
Highest direct PAC receipts: Marion Michael Rounds at $1,381,800. Lowest: Brian L. Bengs at $5,000. The largest reported value sets this scale at $1,381,800.
Outside spending supporting
Independent expenditures by other organizations supporting the candidate, not coordinated with the campaign and never received by it.
Highest outside spending supporting: Marion Michael Rounds at $565,848. Lowest: Brian L. Bengs at $0. The largest reported value sets this scale at $565,848.
Outside spending opposing
Independent expenditures by other organizations opposing the candidate, not coordinated with any campaign.
Every compared candidate reported $0 for outside spending opposing. The largest reported value sets this scale at $0.
Where each campaign's committee money came from
Each column is one candidate and each figure is that candidate's own money, taken over that candidate's own itemized total. Nothing here is added across candidates, and the two groupings below are never added to each other: the first is who the FEC says runs the giving committee, which covers every dollar, and the second is what interest a source says that committee advances, which is a claim MyRepTracker makes and covers only part of the money.
Contributions each campaign received, by who runs the committee
| Category | Marion Michael Rounds Republican | Brian L. Bengs Independent |
|---|---|---|
| Corporate PACs | $760,85045.6% | $0 |
| Trade association PACs | $359,75021.6% | $0 |
| Leadership PACs | $191,00011.4% | $0 |
| Membership organization PACs | $123,5217.4% | $0 |
| Non-connected committees | $113,4406.8% | $5,000100.0% |
| Other candidates' committees | $62,0003.7% | $0 |
| Corporations without capital stock | $25,5001.5% | $0 |
| Cooperative PACs | $18,0001.1% | $0 |
| Labor union PACs | $15,0000.9% | $0 |
| Itemized total | $1,669,061 | $5,000 |
Contributions each campaign received, by interest advanced
| Category | Marion Michael Rounds Republican | Brian L. Bengs Independent |
|---|---|---|
| Securities and investment Finance, insurance, and real estate | $196,75013.9% | $0 |
| Commercial banking Finance, insurance, and real estate | $149,50010.6% | $0 |
| Insurance Finance, insurance, and real estate | $145,75010.3% | $0 |
| Real estate Finance, insurance, and real estate | $115,7508.2% | $0 |
| Agribusiness Agriculture | $66,5004.7% | $0 |
| Defense Defense | $64,5004.6% | $0 |
| Technology Communications and technology | $59,8004.2% | $0 |
| Construction Construction | $44,5003.1% | $0 |
| Food and beverage Agriculture | $28,0002.0% | $0 |
| Electric utilities Energy and natural resources | $27,0001.9% | $0 |
| Hospitals and nursing homes Health | $26,0001.8% | $0 |
| Air transport Transportation | $21,5001.5% | $0 |
| Oil and gas Energy and natural resources | $20,0001.4% | $0 |
| Pharmaceuticals Health | $17,0001.2% | $0 |
| Accounting Professional services | $15,7501.1% | $0 |
| Telecommunications Communications and technology | $14,0001.0% | $0 |
| Physicians and medical specialties Health | $13,0000.9% | $0 |
| Media and entertainment Communications and technology | $12,5000.9% | $0 |
| Renewable energy Energy and natural resources | $12,5000.9% | $0 |
| Transportation unions Labor | $10,0000.7% | $0 |
| Trucking Transportation | $10,0000.7% | $0 |
| Public sector unions Labor | $7,0000.5% | $0 |
| Automotive Transportation | $6,5000.5% | $0 |
| Mining Energy and natural resources | $5,0000.4% | $0 |
| Nurses and nursing specialties Health | $5,0000.4% | $0 |
| Pro-Israel Ideological and single-issue | $5,0000.4% | $0 |
| Credit unions Finance, insurance, and real estate | $4,0000.3% | $0 |
| Industrial unions Labor | $2,5000.2% | $0 |
| Lawyers and law firms Professional services | $2,5000.2% | $0 |
| Health insurance Health | $1,5000.1% | $0 |
| Cryptocurrency and blockchain Finance, insurance, and real estate | $1,0000.1% | $0 |
| Committees not yet categorized | $305,76121.6% | $5,000100.0% |
| Leadership PACs, party committees, and other candidates' committees | $253,000 | $0 |
| Itemized total | $1,669,061 | $5,000 |
Independent spending supporting each candidate, by who runs the committee
| Category | Marion Michael Rounds Republican | Brian L. Bengs Independent |
|---|---|---|
| Non-connected committees | $565,848100.0% | $0 |
| Itemized total | $565,848 | $0 |
Independent spending supporting each candidate, by interest advanced
| Category | Marion Michael Rounds Republican | Brian L. Bengs Independent |
|---|---|---|
| Cryptocurrency and blockchain Finance, insurance, and real estate | $411,74872.8% | $0 |
| Committees not yet categorized | $154,10027.2% | $0 |
| Itemized total | $565,848 | $0 |
Last-minute contributions reported before an election
Within 48 hours of receiving a contribution or loan of $1,000 or more in the days just before an election, a campaign must notify the FEC. These notices are provisional: the same money appears again in the regular report covering those days, so it is not added to the amounts above and is not compared as a measure. Candidates file them only while their own election is close, so an absence here says nothing about a campaign's fundraising.
| Candidate | Reported on notices | Notices | Covers | State |
|---|---|---|---|---|
| Marion Michael Rounds Republican | $120,000 | 8 | May 14 to May 30, 2026 | Covered by regular reports |
| Brian L. Bengs Independent | $6,000 | 6 | May 16 to May 28, 2026 | Covered by regular reports |
Direct contributions are money the campaign received. Independent expenditures are spending by other organizations that is not coordinated with any campaign, and are never added to a candidate's receipts. Source: Federal Election Commission ↗.