Florida · Nonprofit
JOHANN FUST LIBRARY FOUNDATION INC
JOHANN FUST LIBRARY FOUNDATION INC (Florida) receives grants from 54 organizations whose IRS filings report $689,250 to it, the largest being FIDELITY INVESTMENTS CHARITABLE GIFT FUND ($100,350). 35 of them have funded it in more than one year.
Three funders worth looking at
Grantmakers with no record of funding this organization, ranked by how strongly the co-funder graph and the mission embeddings agree. The evidence is in section 03.
- Cornell Universityshared funders
- Chautauqua-Cattaraugus Library Systemportfolio match
- North Country Library Systemportfolio match
The organization over time
Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended.
Who funds it, year by year
2017 → 2023: the base broadened from 16 funders to 24 funders, grant income rose $38k → $117k.
11 of 54 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 46% 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 JOHANN FUST LIBRARY FOUNDATION INC’s funders (the co-funder graph). Top 30 of 54 funders by total. Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
JOHANN FUST LIBRARY FOUNDATION INC has a broad base — no single funder exceeds 15% of grant income, and it takes 6 funders to reach half.
the vertical line marks half of all grant income — 6 funders to its left
48% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund JOHANN FUST LIBRARY FOUNDATION INC.
Largest funder’s share by year: 2017 27% · 2018 26% · 2019 24% · 2020 25% · 2021 18% · 2022 21% · 2023 21% — diversifying over time.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How long its funders stay
41% of JOHANN FUST LIBRARY FOUNDATION INC's funders are still giving 3 years after their first grant; 65% 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. Measured to FY2023, the last fiscal year that has finished arriving — a funder cannot be counted as lapsed in a year most filers have not reached.
Where its funders are
JOHANN FUST LIBRARY FOUNDATION INC draws 93% of its grant income from funders outside Florida, across 17 states in all.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $316k arriving through sponsors registered in 8 states is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Funders to approach
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 54 funders put you under-funded among the 400 organizations that share them.
- Cornell Universityshared fundersNY · backs 53 organizations that share your funders
- Chautauqua-Cattaraugus Library Systemportfolio matchits grantees resemble your mission
- North Country Library Systemportfolio matchits grantees resemble your mission
- Finger Lakes Library Systemportfolio matchits grantees resemble your mission
- The Association for Rural and Small Librariesportfolio matchits grantees resemble your mission
- Owwl Library Systemportfolio matchits grantees resemble your mission
- Florida Humanities Council Incportfolio matchits grantees resemble your mission
- Argersinger Charitable Trustportfolio matchits grantees resemble your mission
- Arie and Ida Crown Memorialshared fundersIL · backs 63 organizations that share your funders
- President and Fellows of Harvard Collegeshared fundersMA · backs 56 organizations that share your funders
- Ernst & Young Foundationshared fundersNY · backs 87 organizations that share your funders
- The Trustees of Columbia University in the City of New Yorkshared fundersNY · backs 56 organizations that share your funders
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.
Organizations like JOHANN FUST LIBRARY FOUNDATION INC
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.
In Florida
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Screen this organization
A dated, signed PDF of the compliance screen for JOHANN FUST LIBRARY FOUNDATION INC: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds JOHANN FUST LIBRARY FOUNDATION INC?
- JOHANN FUST LIBRARY FOUNDATION INC (Florida) receives grants from 54 organizations whose IRS filings report $689,250 to it, the largest being FIDELITY INVESTMENTS CHARITABLE GIFT FUND ($100,350). 35 of them have funded it in more than one year.
- How many funders does JOHANN FUST LIBRARY FOUNDATION INC have?
- IRS filings report 54 organizations giving $689,250 in grants to JOHANN FUST LIBRARY FOUNDATION INC, 35 of which have funded it in more than one year.
- Who is the largest funder of JOHANN FUST LIBRARY FOUNDATION INC?
- FIDELITY INVESTMENTS CHARITABLE GIFT FUND is the largest funder on record, with $100,350 in grants. The full list of funders is on this page.
- How can an organization like JOHANN FUST LIBRARY FOUNDATION INC find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Florida. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2017–2025), and the filings of 54funders 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. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported August 27, 2026. What this page cannot tell you · view filing