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Indiana · Nonprofit

STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM

STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM (Indiana) receives grants from 8 organizations whose IRS filings report $5,777,135 to it, the largest being RONALD L MCDANIEL FOUNDATION ($5,533,184). 6 of them have funded it in more than one year.

$2.2M
Revenue FY2025
8
Funders on record
$5.8M
Grants received
$21M
Net assets
6/8 repeat fundersgrants exceed reported revenue in 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.

See all 12 prospects and why each one surfaced →
01The organization over time

The organization over time

Each line starts at 100 in 2019, so what you read is the shape rather than the size: 150 means half as much again as 2019, 50 means half. The number beside each label in the key is where it ended.

100 = 20192019 Revenue 100 ($408k) Expenses 100 ($393k) Net assets 100 ($8.5M)2020 Revenue 60 ($245k) Expenses 99 ($390k) Net assets 98 ($8.4M)2021 Revenue 317 ($1.3M) Expenses 86 ($338k) Net assets 109 ($9.4M)2022 Revenue 330 ($1.3M) Expenses 114 ($447k) Net assets 120 ($10M)2023 Revenue 983 ($4.0M) Expenses 128 ($504k) Net assets 161 ($14M)2024 Revenue 623 ($2.5M) Expenses 160 ($630k) Net assets 183 ($16M)2025 Revenue 529 ($2.2M) Expenses 185 ($729k) Net assets 246 ($21M)
2019202020212022202320242025
Revenue (529)Expenses (185)Net assets (246)
02Who funds it

Who funds it, year by year

2017 → 2023: the base broadened from 2 funders to 4 funders, grant income rose $272k → $1.5M.

3 of 8 of your funders are donor-advised or pass-through sponsors (tagged DAF)3% 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 STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM’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

STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM leans on a few funders — its largest provides 96% of grant income and the top three 99%; half comes from just 1 funder.

the vertical line marks half of all grant income — 1 funder to its left

96%
largest funder
99%
top three
~1
effective funders

Largest funder’s share by year: 2017 97% · 2018 100% · 2019 38% · 2020 96% · 2021 98% · 2022 92% · 2023 98%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.

How long its funders stay

67% of STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM's funders are still giving 3 years after their first grant; 75% give in more than one year at all.

first grant+1y+2y+3y+4y

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

STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM draws 99% of its grant income from funders outside Indiana, across 3 states in all.

MN
IL
IN

In-state vs out-of-state, by year

17
19
20
21
22
23
Indiana out of state home

Funder states come from each funder’s own filing. $180k 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.

03Its place in the field

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 8 funders put you typical among the 336 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.

Organizations like STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM

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 Indiana

Nationally

04Profile & governance

Read directly from this organization’s own Form 990, as neutral context.

Screen this organization

A dated, signed PDF of the compliance screen for STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM: 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.

A paid feature, included from the $75 plan up. Sign in to download.

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 STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM?
STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM (Indiana) receives grants from 8 organizations whose IRS filings report $5,777,135 to it, the largest being RONALD L MCDANIEL FOUNDATION ($5,533,184). 6 of them have funded it in more than one year.
How many funders does STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM have?
IRS filings report 8 organizations giving $5,777,135 in grants to STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM, 6 of which have funded it in more than one year.
Who is the largest funder of STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM?
RONALD L MCDANIEL FOUNDATION is the largest funder on record, with $5,533,184 in grants. The full list of funders is on this page.
How can an organization like STANLEY W HAYES RESEARCH FDN INC AKA HAYES ARBORETUM find more funders?
Start with the funders already giving here, then look at the foundations that back similar organizations in Indiana. 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 2019–2025), and the filings of 8funders 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