Illinois · Nonprofit
The Keystone Foundation
The Keystone Foundation (Illinois) receives grants from 6 organizations whose IRS filings report $270,868 to it, the largest being THE WESSELINK FAMILY FOUNDATION ($220,000). 3 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.
- Center for Housing and Healthshared funders
- The Barbara J Timmer Family Foundationportfolio match
- Cps Foundation Incportfolio 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.
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 0 of the last 9 reported years ran a deficit.
reserve
Who funds it, year by year
2017 → 2023: the base narrowed from 3 funders to 1 funder, grant income fell $67k → $35k.
3 of 6 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 9% 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 The Keystone 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
The Keystone Foundation leans on a few funders — its largest provides 81% of grant income and the top three 95%; 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 75% · 2018 83% · 2019 52% · 2020 100% · 2021 100% · 2022 100% · 2023 100% — growing more concentrated.
“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
100% of The Keystone Foundation's grant income comes from Illinois funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $24k arriving through sponsors registered in 2 statesis 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.
- Center for Housing and Healthshared fundersIL · backs 15 organizations that share your funders
- The Barbara J Timmer Family Foundationportfolio matchits grantees resemble your mission
- Cps Foundation Incportfolio matchits grantees resemble your mission
- Anna Emery Hanson Charitable Foundation #2portfolio matchits grantees resemble your mission
- Mary Free Bed Rehabilitation Hospitalportfolio matchits grantees resemble your mission
- North Penn Charitable Foundationportfolio matchits grantees resemble your mission
- Klopcic Family Foundationportfolio matchits grantees resemble your mission
- Dennis & Jennie Hendrix Foundationportfolio matchits grantees resemble your mission
- The Kopf Family Foundationportfolio matchits grantees resemble your mission
- Burnham Family Foundationportfolio matchits grantees resemble your mission
- The Disability Fund Incportfolio matchits grantees resemble your mission
- The Winthrop 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 The Keystone 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 Illinois
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
0% of spending goes to programs.
Governance
Footprint & structure
Files a return copy in 1 state
Part of a family of 4 related entities
- Glenkirk · exempt
- Keystone Alliance · exempt
- Search Inc · exempt
- Glenkirk Enterprises Inc and Subsidiary · corp_trust
Screen this organization
A dated, signed PDF of the compliance screen for The Keystone 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 The Keystone Foundation?
- The Keystone Foundation (Illinois) receives grants from 6 organizations whose IRS filings report $270,868 to it, the largest being THE WESSELINK FAMILY FOUNDATION ($220,000). 3 of them have funded it in more than one year.
- How many funders does The Keystone Foundation have?
- IRS filings report 6 organizations giving $270,868 in grants to The Keystone Foundation, 3 of which have funded it in more than one year.
- Who is the largest funder of The Keystone Foundation?
- THE WESSELINK FAMILY FOUNDATION is the largest funder on record, with $220,000 in grants. The full list of funders is on this page.
- How can an organization like The Keystone Foundation find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Illinois. 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 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. 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