Super PAC (Independent Expenditure-Only)
Main Street Fund
FEC committee C00957928. Last filed October 16, 2026.
FEC C00957928Last filed 2026-10-16Totals through 2026-09-30
The short version
- Raised $2.1M and spent $2.0M in the 2026 cycle, through September 30, 2026.
- Biggest target: $2.4M opposing Adam Hamilton.
- $3.4M in general election independent expenditures reported in 24 and 48 hour notices.
- Largest donor on record: Main Street Defense Fund (Organization), $1.8M.
What it is
Main Street Fund is registered with the FEC as a super PAC. In 2026 it has reported $2.4M in independent expenditures across 1 races, 100% of it helping Republicans.
- Main Street Fund ← $1.8M from Main Street Defense Fund (87% of its reported receipts) No donor disclosure
A super PAC can raise unlimited amounts from individuals, companies, unions and other groups. It cannot give money directly to candidates or coordinate its spending with them. It spends independently, mostly on ads.
Issues it says it stands for
No record found. The FEC does not record issues. The candidates it supports and opposes are listed below.
Registration
| Type | Super PAC (Independent Expenditure-Only) |
|---|---|
| Connected organization | None |
| Treasurer | Gantt, Charles |
| Registered in | Massachusetts |
| First filed with the FEC | August 4, 2026 |
Who it supports and opposes
Independent expenditures from its 24 and 48 hour notices, 2026 cycle.
| Position | Candidate | Race | General | Primary or other |
|---|---|---|---|---|
| Oppose | Adam Hamilton D | KS Senate | $2.4M | $0 |
| Oppose | Adam Hamilton | KS Senate | $1.0M | $0 |
Who funds it
Donor mix
| Source | Amount | Share |
|---|---|---|
| Individuals giving over $200 (named) | $2.1M | 100% |
| Total raised | $2.1M | 100% |
FEC committee totals, 2026 cycle, through September 30, 2026. The 10 largest donors include recent electronic filings, so their share can run ahead of these totals.
100% from 10 donors
Largest named donors
| Donor | Type | Given | Checks |
|---|---|---|---|
| Main Street Defense Fund | Organization No donor disclosure Recent filing | $1.8M | 5 |
| Farmers First Fund | Organization No donor disclosure Recent filing | $250K | 1 |
| Clinical Reference Laboratory Inc | Organization No donor disclosure Recent filing | $25K | 1 |
Built from the largest receipts in reports filed electronically through September 30, 2026 (marked "Recent filing").
Donors marked "No donor disclosure" are companies, LLCs or nonprofits. Unless they are themselves political committees, they do not have to report where their money came from. The disclosed trail ends there.
Primary Sources
- FEC committee page: fec.gov/data/committee/C00957928
- FEC filings: all reports filed by Main Street Fund
- Independent expenditures: fec.gov
- Receipts: fec.gov