Minnesota · Nonprofit
GREYSTONE FOUNDATION
GREYSTONE FOUNDATION (Minnesota) receives grants from 2 organizations whose IRS filings report $30,000 to it, the largest being THE COLUMBINE FOUNDATION INC ($27,500). 1 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.
- Ann & Robert Fromer Charitable Fdn Incshared funders
- Prime Coalition Incportfolio match
- Elton Family Foundationportfolio 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 → 2021: the base held at 1 funder, grant income rose $3k → $10k.
From the IRS filings of GREYSTONE FOUNDATION’s funders (the co-funder graph). 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
GREYSTONE FOUNDATION leans on a few funders — its largest provides 92% 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: 2017 100% · 2019 100% · 2020 100% · 2021 100% — broadly stable.
“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.
Where its funders are
GREYSTONE FOUNDATION draws 100% of its grant income from funders outside Minnesota, across 1 state in all.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. 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.
- Ann & Robert Fromer Charitable Fdn Incshared fundersFL · backs 10 organizations that share your funders
- Prime Coalition Incportfolio matchits grantees resemble your mission
- Elton Family Foundationportfolio matchits grantees resemble your mission
- Bethel Woods Center for the Arts Incportfolio matchits grantees resemble your mission
- Craig and Connie Thatcher Foundationportfolio matchits grantees resemble your mission
- Gardinor-Prunaret Foundationportfolio matchits grantees resemble your mission
- Mary Elizabeth Pearce Foundation Trportfolio matchits grantees resemble your mission
- Ahepa Affordable Housing Management Company Incportfolio matchits grantees resemble your mission
- Grace Hospice Foundation Incportfolio matchits grantees resemble your mission
- Richard C Goldstein Private Foundationportfolio matchits grantees resemble your mission
- Ralph & Elizabeth Anderson Charitable Foundationportfolio matchits grantees resemble your mission
- Kenny Jacob Rudin Foundationportfolio matchits grantees resemble your mission
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 GREYSTONE FOUNDATION
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 Minnesota
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 GREYSTONE FOUNDATION: 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 GREYSTONE FOUNDATION?
- GREYSTONE FOUNDATION (Minnesota) receives grants from 2 organizations whose IRS filings report $30,000 to it, the largest being THE COLUMBINE FOUNDATION INC ($27,500). 1 of them have funded it in more than one year.
- How many funders does GREYSTONE FOUNDATION have?
- IRS filings report 2 organizations giving $30,000 in grants to GREYSTONE FOUNDATION, 1 of which have funded it in more than one year.
- Who is the largest funder of GREYSTONE FOUNDATION?
- THE COLUMBINE FOUNDATION INC is the largest funder on record, with $27,500 in grants. The full list of funders is on this page.
- How can an organization like GREYSTONE FOUNDATION find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Minnesota. 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 2funders 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