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California · Nonprofit
Windcall Institute (California) is funded by 14 grantmakers whose IRS filings report $1,369,940 in grants to it, the largest being THE CALIFORNIA WELLNESS FOUNDATION ($425,000). 5 of them have funded it in more than one year.
Against its field
Windcall Institute runs a healthier operating margin than three-quarters of the 883 civil rights nonprofits its size.
this organization peer median middle 50% of peers· 883 civil rights nonprofits $1M–$10M, FY2024
The base broadened — 1 funders to 13 as grant income moved $5k → $949k.
5 of 14 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 16% 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 Windcall Institute’s funders (the co-funder graph). Association, not causation.
Windcall Institute has a broad base — no single funder exceeds 31% of grant income, and it takes 3 funders to reach half.
the vertical line marks half of all grant income — 3 funders to its left
Largest funder’s share by year: 2017 100% · 2018 98% · 2020 53% · 2021 100% · 2022 100% · 2023 39% · 2024 34% — diversifying over time.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration.
67% of Windcall Institute's funders are still giving 1 year after their first grant; 36% give in more than one year at all.
Share of funders still giving k years after their first recorded grant, pooled across every acquisition cohort. A funder counts as retained in a year only if it made a grant that year.
Windcall Institute is locally rooted: 75% of its grant income comes from California 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 14 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.
55% of spending goes to programs.
0%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Operates in 1 state
Every figure is read directly from IRS Form 990 / 990-PF e-file XML — this organization’s own return for FY2024 (financials across 2024–2024), and the filings of 14funders 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