Itemized gifts are loaded through June 30, 2026 for the 2025–2026 cycle. Later FEC reports are not processed yet, so recent totals are incomplete.
BILLION, DIANE
Individual donor · BOZEMAN, MT· JC BILLION INC (OFFICE WORKER)
Summary by party and cycle
| Cycle | Candidate party | For | Against |
|---|---|---|---|
| 2026 | Republican | $3,500 | $0 |
| 2024 | Republican | $19,800 | $0 |
| 2022 | Republican | $11,600 | $0 |
| 2020 | Republican | $11,200 | $0 |
| 2018 | Republican | $21,600 | $0 |
Details by candidate
| Cycle | Candidate | Party | How | For or against | Amount | Gifts | Latest | Source |
|---|---|---|---|---|---|---|---|---|
| 2026 | OLSZEWSKI, ALBERT | Republican | Contribution | For | $3,500 | 1 | 2026-03-31 | filing |
| 2024 | ROSENDALE, MATT | Republican | Contribution | For | $6,600 | 1 | 2023-06-26 | filing |
| 2024 | SHEEHY, TIM | Republican | Contribution | For | $6,600 | 1 | 2024-05-31 | filing |
| 2024 | ZINKE, RYAN K | Republican | Contribution | For | $6,600 | 2 | 2024-06-03 | latest filing |
| 2022 | OLSZEWSKI, ALBERT | Republican | Contribution | For | $5,800 | 2 | 2022-02-23 | latest filing |
| 2022 | ROSENDALE, MATT | Republican | Contribution | For | $5,800 | 1 | 2022-03-31 | filing |
| 2020 | DAINES, STEVE | Republican | Contribution | For | $5,600 | 2 | 2019-03-11 | latest filing |
| 2020 | ROSENDALE, MATT | Republican | Contribution | For | $5,600 | 2 | 2019-12-20 | latest filing |
| 2018 | GIANFORTE, GREG | Republican | Contribution | For | $10,800 | 5 | 2018-05-15 | latest filing |
| 2018 | ROSENDALE, MATT | Republican | Contribution | For | $5,400 | 1 | 2017-09-29 | filing |
| 2018 | FAGG, RUSSELL C | Republican | Contribution | For | $5,400 | 2 | 2018-03-20 | latest filing |