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Illinois · Nonprofit

HIERONYMUS MUELLER FAMILY FOUNDATION

HIERONYMUS MUELLER FAMILY FOUNDATION (Illinois) receives grants from 2 organizations whose IRS filings report $49,000 to it, the largest being A E Staley Jr Foundation CO FIRST MID WEALTH MANAGEMENT COMPANY ($45,000). 2 of them have funded it in more than one year.

$393k
Revenue FY2025
2
Funders on record
$49k
Grants received
$4.7M
Net assets
2/2 repeat funderspeak grant-dependency 4%

Against its field

HIERONYMUS MUELLER FAMILY FOUNDATION is better cushioned than half of the 10,664 arts & culture nonprofits its size.

Months of reserve5.6mo · above the median
Revenue growth (annualized)12% · above the median

this organization peer median middle 50% of peers· 10,664 arts & culture nonprofits $100k–$1M, FY2025

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 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. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.

100 = 20172017 Revenue 100 ($160k) Expenses 100 ($227k) Net assets 100 ($4.4M)2018 Revenue 228 ($364k) Expenses 89 ($201k) Net assets 104 ($4.6M)2019 Revenue 140 ($224k) Expenses 98 ($224k) Net assets 104 ($4.6M)2020 Revenue 132 ($210k) Expenses 97 ($219k) Net assets 104 ($4.6M)2021 Revenue 365 ($583k) Expenses 99 ($225k) Net assets 112 ($4.9M)2022 Revenue 105 ($167k) Expenses 136 ($308k) Net assets 108 ($4.8M)2023 Revenue 101 ($161k) Expenses 139 ($317k) Net assets 105 ($4.6M)2024 Revenue 190 ($303k) Expenses 138 ($314k) Net assets 104 ($4.6M)2025 Revenue 246 ($393k) Expenses 143 ($324k) Net assets 106 ($4.7M)
'17'18'19'20'21'22'23'24'25
Revenue (246)Expenses (143)Net assets (106)Peer revenue range
02Who funds it

Who funds it, year by year

2017 → 2023: the base broadened from 1 funder to 2 funders, grant income rose $5k → $6k.

Funder
'17
'18
'19
'20
'21
'22
'23
'24*
'25*
total
funders
1
1
1
2
2
2
2
1
2

From the IRS filings of HIERONYMUS MUELLER FAMILY 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

HIERONYMUS MUELLER FAMILY 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

92%
largest funder
100%
top three
~1
effective funders

Largest funder’s share by year: 2017 100% · 2018 100% · 2019 100% · 2020 83% · 2021 83% · 2022 83% · 2023 91% — 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.

Where its funders are

100% of HIERONYMUS MUELLER FAMILY FOUNDATION's grant income comes from Illinois funders.

IL

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

’17
’18
’19
’20
’21
’22
’23
Illinois out of state home

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.

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 2 funders put you under-funded among the 52 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 HIERONYMUS MUELLER FAMILY 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

The Staley Museum65%Mueller Family Charitable Trust64%Ethnic Heritage Museum64%The Beller Museum62%Fulton Historical Society62%Field Museum of Natural History61%Edgar Miller Legacy61%Heritage Museum of Asian Art61%

Nationally

Hermann Memorial Art Museum66%The Staley Museum65%Zigler Museum Foundation64%The Ray & Diana Mungenast Family Foundation64%Mueller Family Charitable Trust64%American Heritage Museum Inc64%Ethnic Heritage Museum64%Hortulus Farm Foundation Museum64%
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 HIERONYMUS MUELLER FAMILY 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.

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 HIERONYMUS MUELLER FAMILY FOUNDATION?
HIERONYMUS MUELLER FAMILY FOUNDATION (Illinois) receives grants from 2 organizations whose IRS filings report $49,000 to it, the largest being A E Staley Jr Foundation CO FIRST MID WEALTH MANAGEMENT COMPANY ($45,000). 2 of them have funded it in more than one year.
How many funders does HIERONYMUS MUELLER FAMILY FOUNDATION have?
IRS filings report 2 organizations giving $49,000 in grants to HIERONYMUS MUELLER FAMILY FOUNDATION, 2 of which have funded it in more than one year.
Who is the largest funder of HIERONYMUS MUELLER FAMILY FOUNDATION?
A E Staley Jr Foundation CO FIRST MID WEALTH MANAGEMENT COMPANY is the largest funder on record, with $45,000 in grants. The full list of funders is on this page.
How can an organization like HIERONYMUS MUELLER FAMILY 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 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