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New York · Nonprofit
FOUNDATION TO PROMOTE OPEN SOCIETY (New York) is funded by 3 grantmakers whose IRS filings report $1,083,690 in grants to it, the largest being SOCIAL AND ENVIRONMENTAL ENTREPRENEURS ($760,220). 1 of them have funded it in more than one year.
Against its field
FOUNDATION TO PROMOTE OPEN SOCIETY's funding base is broadening — from 1 funders to 2 as grant income climbed.
this organization peer median middle 50% of peers· 126 philanthropy nonprofits over $100M, FY2024
Revenue, expenses and net assets — each indexed to 100 at its first filing year, so you read the trajectory, not the magnitude. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
The base broadened — 1 funders to 2 as grant income moved $25k → $1.0M.
1 of 3 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 2% 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 FOUNDATION TO PROMOTE OPEN SOCIETY’s funders (the co-funder graph). Association, not causation.
FOUNDATION TO PROMOTE OPEN SOCIETY leans on a few funders — its largest provides 70% 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% · 2023 100% · 2024 73% — diversifying over time.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration.
FOUNDATION TO PROMOTE OPEN SOCIETY draws 100% of its grant income from funders outside New York — 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. Your 3 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 FY2024 (financials across 2020–2024), and the filings of 3funders 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