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California · Nonprofit
SAN JOSE WIND SYMPHONY (California) is funded by 6 grantmakers whose IRS filings report $28,851 in grants to it, the largest being AMERICAN ONLINE GIVING FOUNDATION INC ($14,477). 4 of them have funded it in more than one year.
Against its field
SAN JOSE WIND SYMPHONY's funding has concentrated — grant income rose while the number of funders held roughly flat.
this organization peer median middle 50% of peers· 4,485 arts & culture nonprofits under $100k, FY2025
Grant income rose $1k → $7k on a roughly flat funder count — a concentrated base.
2 of 6 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 51% 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 SAN JOSE WIND SYMPHONY’s funders (the co-funder graph). Association, not causation.
SAN JOSE WIND SYMPHONY leans on a few funders — its largest provides 50% of grant income and the top three 92%; 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% · 2019 100% · 2020 73% · 2021 63% · 2022 82% · 2023 82% · 2024 100% · 2025 100% — broadly stable.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration.
SAN JOSE WIND SYMPHONY draws 90% of its grant income from funders outside California — its reputation reaches beyond the state, across 5 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.
99%
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 FY2025 (financials across 2025–2025), 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