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South Carolina · Nonprofit
SPRING ISLAND TRUST FOUNDATION INC (South Carolina) is funded by 12 grantmakers whose IRS filings report $291,133 in grants to it, the largest being THE WILDWOOD FOUNDATION ($80,000). 8 of them have funded it in more than one year.
$20k from 3 funders in 2024, up from $36k and 5 in 2017.
1 of 12 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 14% 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 SPRING ISLAND TRUST FOUNDATION INC’s funders (the co-funder graph). Association, not causation.
SPRING ISLAND TRUST FOUNDATION INC has a broad base — no single funder exceeds 27% 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 31% · 2018 47% · 2019 27% · 2020 35% · 2021 36% · 2022 31% · 2023 29% · 2024 50% — growing more concentrated.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration.
33% of SPRING ISLAND TRUST FOUNDATION INC's funders are still giving 3 years after their first grant; 67% 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.
SPRING ISLAND TRUST FOUNDATION INC draws 69% of its grant income from funders outside South Carolina — its reputation reaches beyond the state, across 7 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 12 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.
Read directly from this organization’s own Form 990, as neutral context.
100% of spending goes to programs.
Operates in 1 state
Part of a family of 2 related entities
Every figure is read directly from IRS Form 990 / 990-PF e-file XML — this organization’s own return for FY2017 (financials across 2017–2017), and the filings of 12funders 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