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· Private foundation

The Arrington Foundation

Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$49k
Granted FY2025still arriving
17
Grants FY2025still arriving
3
States reached
$10k
Largest
01What it funds
0195% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.

Health$56kEducation$55kArts & Culture$47kYouth Development$27kCommunity Improvement$24kHuman Services$21kPublic Benefit$10kReligion$9kOther$0
02FY2025 · 17 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k16 grants · $39k
  • $10k–50k1 grant · $10k
$1,500
Median grant
3
States reached
$624k
Total assets
Largest grants
RecipientAmount
McGraw YMCA$10,000
Northwestern University Feinberg School Of Medicine$7,000
St Mark's Episcopal Church$6,500
Round Canopy Parachutibng Team - USA Foundation Inc$5,000
Evanston Township High School$3,550
Chicago Symphony Orchestra$3,242
Kuumba Evanston$2,500
Chief Executives Organization$2,500
Individual grant recipient$1,500
Individual grant recipient$1,500
Evanston 4th of July Association$1,000
Evanston Historical Society$1,000
Boys & Girls Clubs of Chicago - Pedersen McCormick Club$1,000
Evanston Township High School$1,000
Cystic Fibrosis Foundation$1,000
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Its human-services grants (FY17–25, $22k) land where the poverty rate runs at 14%, against an area that typically sits at 12%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 12%OPERATION HEALING FORCES: $3k → 13%HEALTHNETWORK FOUNDATION: $500 → 17%HEALTH NETWORK FOUNDATION: $2k → 17%HEALTHNETWORK FOUNDATION: $1k → 17%HEALTHNETWORK FOUNDATION: $500 → 17%MISERICORDIA HOME: $100 → 14%CLEARBROOK CENTER: $500 → 14%CLEARBROOK CENTER: $1k → 14%McGraw YMCA: $10k → 14%EQUITY & EMPOWERMENT FOR EVANSTON F: $1k → 14%MCGAW YMCA: $1k → 14%MCGAW YMCA: $1k → 14%EQUITY & EMPOWERMENT FOR EVANSTON: $1k → 14%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.

Which US states its grants reach

IL
NY
OH
MD
KS
TN
DC
GA
TX
FL
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

69%of every dollar goes to organizations it has funded before.
$196k · 19 repeat orgs$89k to everyone else

Grantees it renews have grown median revenue +70% since the first grant, against +18% for those funded once.

19 repeat relationships: 5 still active in FY2025, 14 since wound down; 10 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

19
30

Total granted

$196k
$63k

Median revenue growth · since first grant

+70%
+18%

Still filing today

74%
53%

New vs renewed · share of each year

In FY2025, 47% of grant dollars renewed an existing relationship; $26k went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’17’18’19’20’21’22’23’24’25
Arts & CultureHuman ServicesEducationHealthCommunity ImprovementHousing & ShelterOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). The earliest year is left-censored: relationships that predate the data read as new. Theme is the grantee’s IRS cause.

Backed again, and grew

  • University of Illinois Foundation
    2× · 2022–2023 · $40k · revenue +70%
  • CS
    Chicago Symphony Orchestra
    9× · 2017–2025 · $27k · revenue +58%
  • FO
    FRIENDS OF PRENTICE
    5× · 2017–2022 · $23k · revenue +19%

Funded once

  • IG
    Individual grant recipient
    one grant, 2022 · $11k
  • BN
    BEAR NECESSITIES PEDIATRIC CANCER
    one grant, 2019 · $8k
  • ET
    EVANSTON TOWNSHIP HIGH SCHOOL DISTRICT 202 ED FOUNDATIONgraduated
    one grant, 2022 · $7k · revenue +798%
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Auditorium Theatre of Roosevelt University Inc

The Auditorium Theatre of Roosevelt University ("The Auditorium"), an Illinois not-for-profit corporation, is committed to presenting the finest in international, cultural, community and educational programming to Chicago and to the…

Arts & Culture
2
The Executives' Club of Chicago

To be chicagos premier resources for connecting, developing, and growing best-in-class leaders to provide established and emerging leaders opportunities to develop and nurture meaningful relationships, participate in innovative…

—
3
Massachusetts Institute of Technology

The mission of mit is to advance knowledge and educate students in science, technology, and other areas of scholarship that will best serve the nation and the world in the 21st century.

Education
4
Uchicago Medicine Network Inc

Uchicago medicine network, inc. supports and encourages health and human service by providing support, directly or indirectly to ingalls memorial hospital, the university of chicago medical center, and other related tax-exempt…

Health
5
Minnesota Medical Association

To be the leading voice of medicine to make minnesota the healthiest state and the best place to practice.

—
6
National Opinion Research Center

See schedule onorc at the university of chicago conducts research and data science on critical societal issues to guide decision-making and the development of programs and public policy. our experts identify relationships and trends, and…

Social Science
7
Elmhurst Memorial Healthcare Group

The elmhurst memorial healthcare group follows the mission of endeavor health (f/k/a ns-ee holdings). the mission of endeavor health is to "help everyone in our communities be their best." central to this mission is a commitment to…

—
8
Columbia College Chicago

The organization's mission is to educate students for creative occupations in diverse fields of arts and media.

Education
9
American Society of Clinical Oncology Inc

See schedule o:asco is a professional oncology society committed to conquering cancer through research, education, and promotion of the highest quality patient care.

Health
10
Lyric Opera of Chicago

We believe in the life-changing, transformational, revelatory power of great art and opera. Lyric Opera of Chicago exists to provide a broad, deep, and relevant cultural service to the Chicago region and the nation, and to advance the…

Arts & Culture
11
Edward-Elmhurst Healthcare

Edward-Elmhurst Healthcare follows the mission of Endeavor Health to "help everyone in our communities be their best."

Health
12
Asco Association

Asco association promotes the common business interests of its members by: (1) advocating for policies that improve the quality of cancer care; (2) maintaining the highest standards of oncology medical care through programs supporting…

Community Improvement
How this is measured
The grantee most central to the portfolio’s shape is Chicago Youth Centers; the most unlike its peers is Equity & Empowerment for Evanston Families. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
04the grantee network

33 grantees tracked through their own filings, 2017–2025.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 33 of the 59 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

0
Load-bearing (≥25% of a budget)
8
Early backer (in before they grew)
33/33
Grantees still filing
28/33
Grew since first funded

Where the money sits, by cause and then by grantee

PEDERSON-MCCORMICK BOYS & GIRLS CLU: $22,725 · OtherPEDERSON-MCCORMICK BOYS & GIRLS CLUFRIENDS OF PRENTICE: $22,625 · OtherFRIENDS OF PRENTICECHIEF EXECUTIVES ORGANIZATION: $21,470 · OtherCHIEF EXECUTIVES ORGANIZATIONIndividual grant recipient: $11,240 · OtherIndividual grant recipientYOUNG PRESIDENTS ORGANIZATION: $10,320 · OtherYOUNG PRESIDENTS ORGANIZATIONST MARKS EPISCOPAL CHURCH: $8,500 · OtherST MARKS EPISCOPAL CHURCHBEAR NECESSITIES PEDIATRIC CANCER: $7,500 · OtherNORTH SHORE FOUNDATION: $7,000 · Other+26 more: $32,874 · Other+26 moreUniversity of Illinois Foundation: $40,438 · EducationUniversity of Illinoi…EVANSTON TOWNSHIP HIGH SCHOOL DISTRICT 202 ED FOUNDATION: $7,170 · EducationEVANSTON TOWNSHIP HIG…THE ACTORS GYMNASIUM INC: $3,549 · EducationTHE ACTORS GYMNASIUM …+2 more: $1,700 · EducationChicago Symphony Orchestra: $27,356 · Arts & CultureChicago Symphony …Round Canopy Parachuting Team - USA Foundation Inc: $5,000 · Arts & CultureRound Canopy Para…NORTHLIGHT THEATRE INC: $4,000 · Arts & CultureNORTHLIGHT THEATR…EVANSTON FOURTH OF JULY ASSOCIATION: $4,000 · Arts & CultureEVANSTON FOURTH O…Mudlark Theater Company NFP: $2,500 · Arts & CultureMudlark Theater C…+2 more: $1,250 · Arts & CultureYoung Mens Christian Assoc McGaw Inc: $12,000 · Human ServicesYoung Men…EQUITY & EMPOWERMENT FOR EVANSTON FAMILIES: $4,500 · Human ServicesEQUITY & …HEALTHNETWORK FOUNDATION FKA HEALTH NET FOUNDATION INC: $4,000 · Human ServicesHEALTHNET…OPERATION HEALING FORCES INC: $2,500 · Human ServicesOPERATION…CLEARBROOK: $1,500 · Human ServicesCLEARBROO…+2 more: $600 · Human ServicesTHE WILDERNESS SOCIETY: $7,500 · EnvironmentNorthwestern University: $7,000 · Recreation & SportsAmerican Heart Association Inc: $2,500 · HealthMEMORIAL SLOAN-KETTERING CANCER CENTER: $950 · HealthAMERICAN CANCER SOCIETY INC: $200 · HealthST JUDE CHILDREN'S RESEARCH HOSPITAL INC: $150 · Health
Other$144,254Education$52,857Arts & Culture$44,106Human Services$25,100Environment$7,500Recreation & Sports$7,000Health$3,800

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetUniversity of Illinois Foundation: $40,438 over 2y, 0.0% of budgetChicago Symphony Orchestra: $27,356 over 9y, 0.0% of budgetFRIENDS OF PRENTICE: $22,625 over 5y, 1.4% of budgetYoung Mens Christian Assoc McGaw Inc: $12,000 over 3y, 0.1% of budgetTHE WILDERNESS SOCIETY: $7,500 over 2y, 0.0% of budgetEVANSTON TOWNSHIP HIGH SCHOOL DISTRICT 202 ED FOUNDATION: $7,170 over 1y, 0.6% of budgetEQUITY & EMPOWERMENT FOR EVANSTON FAMILIES: $4,500 over 3y, 0.8% of budgetNORTHLIGHT THEATRE INC: $4,000 over 1y, 0.0% of budgetHEALTHNETWORK FOUNDATION FKA HEALTH NET FOUNDATION INC: $4,000 over 4y, 0.0% of budgetEVANSTON FOURTH OF JULY ASSOCIATION: $4,000 over 4y, 3.0% of budgetTHE ACTORS GYMNASIUM INC: $3,549 over 2y, 0.0% of budgetOPERATION HEALING FORCES INC: $2,500 over 1y, 0.0% of budgetMudlark Theater Company NFP: $2,500 over 1y, 0.3% of budgetAmerican Heart Association Inc: $2,500 over 1y, 0.0% of budgetCLEARBROOK: $1,500 over 2y, 0.0% of budgetThe Economic Club of Chicago: $1,100 over 4y, 0.0% of budgetThe United States Holocaust Memorial Museum: $1,000 over 1y, 0.0% of budgetGARRIDO STRAY RESCUE FOUNDATION: $1,000 over 1y, 0.7% of budgetMEMORIAL SLOAN-KETTERING CANCER CENTER: $950 over 3y, 0.0% of budgetChicago Youth Centers: $509 over 2y, 0.0% of budgetOPEN COMMUNITIES: $500 over 1y, 0.0% of budgetTHE SERVICE CLUB OF CHICAGO: $500 over 1y, 0.1% of budgetWOUNDED WARRIOR PROJECT INC: $500 over 1y, 0.0% of budgetJEWISH UNITED FUND OF METROPOLITAN CHICAGO: $250 over 1y, 0.0% of budgetMUSIC INSTITUTE OF CHICAGO: $250 over 1y, 0.0% of budgetAMERICAN CANCER SOCIETY INC: $200 over 1y, 0.0% of budgetST JUDE CHILDREN'S RESEARCH HOSPITAL INC: $150 over 2y, 0.0% of budgetFORCE RECON ASSOCIATION: $100 over 1y, 0.3% of budgetMISERICORDIA HOME: $100 over 1y, 0.0% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

  • Who funds University of Illinois Foundation ↗
  • Who funds Chicago Symphony Orchestra ↗
  • Who funds FRIENDS OF PRENTICE ↗
  • Who funds Young Mens Christian Assoc McGaw Inc ↗
  • Who funds THE WILDERNESS SOCIETY ↗
  • Who funds EVANSTON TOWNSHIP HIGH SCHOOL DISTRICT 202 ED FOUNDATION ↗
  • Who funds Northwestern University ↗
  • Who funds Round Canopy Parachuting Team - USA Foundation Inc ↗
  • Who funds EQUITY & EMPOWERMENT FOR EVANSTON FAMILIES ↗
  • Who funds NORTHLIGHT THEATRE INC ↗
  • Who funds HEALTHNETWORK FOUNDATION FKA HEALTH NET FOUNDATION INC ↗
  • Who funds EVANSTON FOURTH OF JULY ASSOCIATION ↗
  • Who funds THE ACTORS GYMNASIUM INC ↗
  • Who funds OPERATION HEALING FORCES INC ↗
  • Who funds Mudlark Theater Company NFP ↗
  • Who funds CHIEF EXECUTIVES ORGANIZATION INC ↗
  • Who funds American Heart Association Inc ↗
  • Who funds CLEARBROOK ↗
  • Who funds The Economic Club of Chicago ↗
  • Who funds The United States Holocaust Memorial Museum ↗
  • Who funds GARRIDO STRAY RESCUE FOUNDATION ↗

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

The Chicago Community TrustIL23.6× affinity12 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Chicago Community Trust · Evanston Community Foundation · Lewis-Sebring Family Foundation · Northwestern University · Elizabeth Beidler Tisdahl Foundation · John D and Catherine T Macarthur Foundation · United Way of Metropolitan Chicago Inc · Ncrc Community Development Fund Inc · Morgan Stanley Global Impact Funding Trust Inc · The Blackbaud Giving Fund · American Endowment Foundation · National Philanthropic Trust

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

How much its grantees rely on government

Each dot is one organization The Arrington Foundation funds: left to right is the share of its income from government, bottom to top the share from The Arrington Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 20%0%1%3%5%funder's share of their income ↑0%15%30%45%60%share of the org’s income from government →median 0%
  • Wounded Warrior Project Inc: 0% of income from government
no gov moneyreceives it· size = income
2get no government money at all
6report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–60%
typical government reliance, FY20–25
How this is measured
Government income is each org’s traced federal awards (USASpending grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that a grant caused the public funding. Coverage is precision-first, a floor rather than a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12 to 24 months.
05Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to The Arrington Foundation?

Find your warmest path to The Arrington Foundation through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.

Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.

On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 59 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

How this is measured
Each figure carries one of six labels. Filed is what the funder reported on its return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears.

Generated from the IRS Form 990-PF e-file return for fiscal year 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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