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Iowa · Nonprofit
MIRRORBOX THEATRE (Iowa) is funded by 6 grantmakers whose IRS filings report $174,321 in grants to it, the largest being THE HALL-PERRINE FOUNDATION ($75,000). 4 of them have funded it in more than one year.
Against its field
MIRRORBOX THEATRE's funding has concentrated — grant income rose while the number of funders held roughly flat.
this organization peer median middle 50% of peers· 17,043 arts & culture nonprofits $100k–$1M, FY2023
Grant income rose $67 → $250 on a roughly flat funder count — a concentrated base.
3 of 6 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 28% 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 MIRRORBOX THEATRE’s funders (the co-funder graph). Association, not causation.
MIRRORBOX THEATRE leans on a few funders — its largest provides 43% of grant income and the top three 95%; half comes from just 2 funders.
the vertical line marks half of all grant income — 2 funders to its left
Largest funder’s share by year: 2020 75% · 2021 97% · 2022 59% · 2023 100% · 2024 100% — growing more concentrated.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration.
MIRRORBOX THEATRE is locally rooted: 95% of its grant income comes from Iowa funders.
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. Your 6 funders put you under-funded among the 400 organizations that share them.
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.
Nonprofits whose mission and program text most resemble this one, by semantic similarity over the universe of US filings — the closest peers, and often the clearest route to shared or prospective funders.
Read directly from this organization’s own Form 990, as neutral context.
Every figure is read directly from IRS Form 990 / 990-PF e-file XML — this organization’s own return for FY2023 (financials across 2023–2023), and the filings of 6funders 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