Wisconsin · Nonprofit
HAMILTON ATHLETIC BOOSTER CLUB INC
HAMILTON ATHLETIC BOOSTER CLUB INC (Wisconsin) receives grants from 2 organizations whose IRS filings report $3,883 to it, the largest being BAIRD FOUNDATION INC ($3,668). 2 of them have funded it in more than one year.
- Revenue FY2026
- $36k
- Funders on record
- 2
- Grants received
- $4k
- Net assets
- $134k
What Hamilton Athletic Booster Club Inc does
Mission
Primary exempt purpose - to support the athletic programs of hamilton high school. We provide financial support through monies raised by volunteers to promote excellence in those athletic programs and the community we serve.
As stated on its FY2024 Form 990-EZ.
Program
Grants paid in support of the various athletic programs at hamilton high school in sussex, wi
$24,033 spent100% of program spending
The program described on its FY2026 Form 990-EZ. Program spending in total: $24,033.
The organization over time
Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2021 to 2022, from $196k to $77k (−61%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
100% of HAMILTON ATHLETIC BOOSTER CLUB INC’s revenue is contributions — more reliant on donations than three-quarters of its peers (65% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 2 of the last 10 reported years ran a deficit.
Who funds it, year by year
2018 → 2023: the base broadened from 1 funder to 2 funders, grant income rose $168 → $794.
1 of 2 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 6% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.
From the IRS filings of HAMILTON ATHLETIC BOOSTER CLUB INC’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
HAMILTON ATHLETIC BOOSTER CLUB INC leans on a few funders — its largest provides 94% of grant income and the top three 100%; half comes from just 1 funder.
the vertical line marks half of all grant income — 1 funder to its left
Largest funder’s share by year: 2018 100% · 2020 93% · 2021 95% · 2022 100% · 2023 94% — diversifying over time.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Where its funders are
100% of HAMILTON ATHLETIC BOOSTER CLUB INC's grant income comes from Wisconsin funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $215 arriving through sponsors registered in 1 state is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Against its field
HAMILTON ATHLETIC BOOSTER CLUB INC runs a healthier operating margin than three-quarters of the 1,807 education nonprofits its size.
this organization peer median middle 50% of peers· 1,807 education nonprofits under $100k, FY2026
Organizations like HAMILTON ATHLETIC BOOSTER CLUB INC
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In Wisconsin
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Public support
53%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Footprint & structure
Files a return copy in 1 state
Screen this organization
A dated, signed PDF of the compliance screen for HAMILTON ATHLETIC BOOSTER CLUB INC: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds HAMILTON ATHLETIC BOOSTER CLUB INC?
- HAMILTON ATHLETIC BOOSTER CLUB INC (Wisconsin) receives grants from 2 organizations whose IRS filings report $3,883 to it, the largest being BAIRD FOUNDATION INC ($3,668). 2 of them have funded it in more than one year.
- How many funders does HAMILTON ATHLETIC BOOSTER CLUB INC have?
- IRS filings report 2 organizations giving $3,883 in grants to HAMILTON ATHLETIC BOOSTER CLUB INC, 2 of which have funded it in more than one year.
- Who is the largest funder of HAMILTON ATHLETIC BOOSTER CLUB INC?
- BAIRD FOUNDATION INC is the largest funder on record, with $3,668 in grants. The full list of funders is on this page.
- How can an organization like HAMILTON ATHLETIC BOOSTER CLUB INC find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Wisconsin. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
Play a game about who funds Hamilton Athletic Booster Club →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2026 (financials across 2017–2026), and the filings of 2 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 22, 2026. What this page cannot tell you · view filing