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Michigan · Nonprofit
MAYVILLE AREA HISTORICAL MUSEUM (Michigan) is funded by 2 grantmakers whose IRS filings report $6,000 in grants to it, the largest being THDF II Inc DBA ($5,000). 0 of them have funded it in more than one year.
Revenue, expenses and net assets — each indexed to 100 at its first filing year, so you read the trajectory, not the magnitude.
Operating surplus or deficit each year, and months of liquidity in hand. 0 of the last 2 reported years ran a deficit.
Grant income rose $1k → $5k on a roughly flat funder count — a concentrated base.
From the IRS filings of MAYVILLE AREA HISTORICAL MUSEUM’s funders (the co-funder graph). Association, not causation.
MAYVILLE AREA HISTORICAL MUSEUM leans on a few funders — its largest provides 83% 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: 2017 100% · 2020 100% — broadly stable.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration.
MAYVILLE AREA HISTORICAL MUSEUM draws 83% of its grant income from funders outside Michigan — its reputation reaches beyond the state, across 2 states in all.
In-state vs out-of-state, by year
Grantmakers that don’t fund you yet, surfaced two ways: they back organizations that share your funders, or their grantees resemble your mission. The ones both signals agree on come first.
From the co-funder graph (funders backing at least two comparable organizations, shrunk for grantee count, donor-advised and mega-funds excluded) and the universe embeddings. A research starting point; overlap is association, not a guarantee of fit.
Read directly from this organization’s own Form 990, as neutral context.
0%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Every figure is read directly from IRS Form 990 / 990-PF e-file XML — this organization’s own return for FY2023 (financials across 2021–2023), and the filings of 2funders 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. view filing