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· Private foundation

Robert G Weiss Family 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.

$72k
Granted FY2025still arriving
21
Grants FY2025still arriving
3
States reached
$60k
Largest
01What it funds
0194% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2024.

Arts & Culture$432kHealth$134kReligion$103kEducation$73kInternational$12kCivil Rights$9kRecreation & Sports$6kEnvironment$5kOther$0
02FY2025 · 21 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k20 grants · $12k
  • $50k–250k1 grant · $60k
$500
Median grant
3
States reached
$46k
Total assets
Largest grants
RecipientAmount
MERYL SUZANNE WEISS FUND$60,000
CHICAGO HUMANITIES FESTIVAL$3,000
CHICAGO SYMPHONY ORCHESTRA$1,300
CAMP THUNDERBIRD CHARITABLE FOUNDATION$1,050
OLD TOWN SCHOOL OF FOLK MUSIC$1,000
JEWISH UNITED FUND OF METROPOLITAN CHICAGO$1,000
WBEZ$750
STEPPENWOLF THEATRE COMPANY$678
AMERICAN CANCER SOCIETY$500
AMERICAN CIVIL LIBERTIES UNION$500
KHECARI$500
ALZHEIMER'S ASSOCIATION$500
SHIRLEY RYAN ABILITYLAB$465
CHICAGO BOTANIC GARDEN$388
CJE SENIOR LIFE'S LIEBERMAN CENTER$180
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 (FY22–25, $3k) land where the poverty rate runs at 11%, against an area that typically sits at 11%. 63% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 11%NORMAL MOMENTS: $900 → 7%NORMAL MOMENTS INC: $100 → 7%NORTH SHORE SENIOR CENTER: $250 → 14%NORTH SHORE SENIOR CENTER: $200 → 14%NORTH SHORE SENIOR CENTER: $200 → 14%THE SELFHELP HOME: $200 → 14%JEWISH CHILD & FAMILY SERVICES: $250 → 14%LIBENU: $250 → 14%JEWISH CHILD & FAMILY SERVICES: $150 → 14%LIBENU: $200 → 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
CA
NE
MO
MD
NM
DC
GA
TX
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.

94%of every dollar goes to organizations it has funded before.
$865k · 44 repeat orgs$55k to everyone else

Grantees it renews have grown median revenue +33% since the first grant, against +10% for those funded once.

44 repeat relationships: 13 still active in FY2025, 31 since wound down; 8 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

44
33

Total granted

$865k
$52k

Median revenue growth · since first grant

+33%
+10%

Still filing today

64%
67%

New vs renewed · share of each year

In FY2025, 96% of grant dollars renewed an existing relationship; $3k 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 & CultureHealthHuman ServicesEnvironmentEducationPhilanthropyOther
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

  • LO
    Lyric Opera of Chicago
    3× · 2017–2019 · $169k · revenue +33%
  • TS
    THE SANTA FE OPERA
    3× · 2017–2019 · $104k · revenue +84%
  • University of Chicago
    4× · 2017–2020 · $60k · revenue +56%

Funded once

  • CO
    CHABAD OF ISRAEL TORAH
    one grant, 2023 · $25k
  • CO
    CHICAGO OPERA THEATER
    one grant, 2017 · $6k · revenue -18%
  • MO
    MUSEUM OF NEW MEXICO FOUNDATIONgraduated
    one grant, 2017 · $3k · revenue +79%
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
Columbia College Chicago

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

Education
2
Music Institute of Chicago

The music institute of chicago ("music institute") leads people toward a lifelong engagement with music, by providing widely accessible resources for high quality music teaching, performing, and service activities.

Arts & Culture
3
Loyola University of Chicago

We are chicago's jesuit, catholic university - a diverse community seeking god in all things and working to expand knowledge in the service of humanity through learning, justice, and faith.

Education
4
Chicago Theatre Group Inc

The chicago theatre group is committed to producing both classic and contemporary works giving full voice to a wide range of artists and visions. by dedicating itself to three guiding principles - quality, equity, and community - the…

Arts & Culture
5
Music and Dance Theater Chicago Inc
Arts & Culture
6
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
7
Chicago Wind Symphony
Arts & Culture
8
University of Chicago Medical Center

Our mission at the university of chicago medicine is to provide superior health care through rigorous research, innovative education, and comprehensive care and healing. in partnership with our colleagues, we pursue life-changing…

Health
9
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
10
Children's Museum of Oak Park

To spark curiosity and creativity in all young children through positive, play-based learning experiences.

Arts & Culture
11
Chicago Shakespeare Theater

To create vivid, entertaining theatrical experiences that invigorate and engage people of all ages and identities by illuminating the complexity, ambiguity, and wonder of our world. shared humanity and unforgettable stories - now this is…

Arts & Culture
12
Saint Xavier University

Saint xavier university, a catholic institution inspired by the heritage of the sisters of mercy, educates persons to search for truth, think critically, communicate effectively and serve wisely and compassionately in support of human…

Education
How this is measured
The grantee most central to the portfolio’s shape is Grant Park Orchestral Association; the most unlike its peers is Meryl Suzanne Weiss Fund. 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

60 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. 60 of the 87 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)
6
Early backer (in before they grew)
58/60
Grantees still filing
42/60
Grew since first funded

Where the money sits, by cause and then by grantee

Lyric Opera of Chicago: $168,700 · Arts & CultureLyric Opera of ChicagoTHE SANTA FE OPERA: $103,776 · Arts & CultureTHE SANTA FE OPERARAVINIA FESTIVAL ASSOCIATION: $59,096 · Arts & CultureRAVINIA FESTIVAL ASSOCIATIONChicago Symphony Orchestra: $57,450 · Arts & CultureChicago Symphony Orchestra+17 more: $49,899 · Arts & Culture+17 moreMERYL SUZANNE WEISS FUND: $188,500 · OtherMERYL SUZANNE WEISS FUNDIndividual grant recipient: $34,860 · OtherIndividual grant recipientTEMPLE ISAIAH: $30,950 · OtherTEMPLE ISAIAHCHABAD OF ISRAEL TORAH: $25,000 · OtherCHABAD OF ISRAEL TORAHMiscellaneous less than 500: $18,849 · OtherCHICAGO SINAI CONGREGATION: $15,125 · Other+38 more: $89,293 · Other+38 moreUniversity of Chicago: $60,000 · EducationKENYON COLLEGE: $3,700 · Education+2 more: $210 · EducationRush University Medical Center: $2,000 · HealthBLOOD CANCER UNITED INC: $1,000 · HealthMEMORIAL SLOAN-KETTERING CANCER CENTER: $1,000 · HealthALZHEIMER'S DISEASE & RELATED DISORDERS ASSOCIATION INC: $500 · HealthRehabilitation Institute of Chicago: $465 · HealthFOUNDATION FOR HEARING AND SPEECH RESOURCES: $175 · HealthJEWISH UNITED FUND OF METROPOLITAN CHICAGO: $3,000 · PhilanthropyLENSIC PERFORMING ARTS CENTER: $1,200 · PhilanthropyCHICAGO HORTICULTURAL SOCIETY: $1,906 · EnvironmentTHE MORTON ARBORETUM: $590 · EnvironmentFRIENDS OF THE FOREST PRESERVES: $200 · EnvironmentDENVER BOTANIC GARDENS INC: $135 · Environment+1 more: $25 · EnvironmentNormal Moments Inc: $1,000 · Human ServicesNORTH SHORE SENIOR CENTER: $650 · Human ServicesLIBENU: $450 · Human ServicesJewish Child and Family Services: $400 · Human ServicesTHE SELFHELP HOME INC: $200 · Human Services
Arts & Culture$438,921Other$402,577Education$63,910Health$5,140Philanthropy$4,200Environment$2,856Human Services$2,700

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 budgetLyric Opera of Chicago: $168,700 over 3y, 0.1% of budgetTHE SANTA FE OPERA: $103,776 over 3y, 0.3% of budgetUniversity of Chicago: $60,000 over 4y, 0.0% of budgetRAVINIA FESTIVAL ASSOCIATION: $59,096 over 7y, 0.0% of budgetChicago Symphony Orchestra: $57,450 over 9y, 0.0% of budgetChicago Humanities Festival: $9,450 over 5y, 0.1% of budgetOLD TOWN SCHOOL OF FOLK MUSIC: $8,875 over 7y, 0.0% of budgetClaremont McKenna College: $8,850 over 7y, 0.0% of budgetKhecari: $6,125 over 7y, 0.9% of budgetGRANT PARK ORCHESTRAL ASSOCIATION: $4,500 over 3y, 0.0% of budgetKENYON COLLEGE: $3,700 over 2y, 0.0% of budgetChicago Dancemakers Forum: $3,250 over 4y, 0.3% of budgetJEWISH UNITED FUND OF METROPOLITAN CHICAGO: $3,000 over 3y, 0.0% of budgetMUSEUM OF NEW MEXICO FOUNDATION: $2,500 over 1y, 0.0% of budgetLOS ANGELES PHILHARMONIC ASSOCIATION: $2,245 over 4y, 0.0% of budgetWINDOW TO THE WORLD COMMUNICATIONS INC: $2,000 over 2y, 0.0% of budgetRush University Medical Center: $2,000 over 4y, 0.0% of budgetCHICAGO HORTICULTURAL SOCIETY: $1,906 over 3y, 0.0% of budgetLENSIC PERFORMING ARTS CENTER: $1,200 over 1y, 0.0% of budgetInternational Council for Small Business George Wash Univ Sch of Business: $1,200 over 1y, 0.8% of budgetFranciscan Community Benefit Services: $1,200 over 2y, 0.1% of budgetNormal Moments Inc: $1,000 over 2y, 2.0% of budgetChicago Cubs Charities: $1,000 over 1y, 0.0% of budgetWORLD CENTRAL KITCHEN INC: $1,000 over 1y, 0.0% of budgetBLOOD CANCER UNITED INC: $1,000 over 2y, 0.0% of budgetOPERA AMERICA INC: $1,000 over 1y, 0.0% of budgetMEMORIAL SLOAN-KETTERING CANCER CENTER: $1,000 over 1y, 0.0% of budgetMERIT SCHOOL OF MUSIC: $1,000 over 1y, 0.0% of budgetASSISTANCE IN HEALTHCARE INC: $795 over 1y, 0.1% of budgetAMERICAN CIVIL LIBERTIES UNION OF ILLINOIS: $700 over 3y, 0.0% of budgetSTEPPENWOLF THEATRE COMPANY: $678 over 1y, 0.0% of budgetNORTH SHORE SENIOR CENTER: $650 over 3y, 0.0% of budgetTHE MORTON ARBORETUM: $590 over 2y, 0.0% of budgetALZHEIMER'S DISEASE & RELATED DISORDERS ASSOCIATION INC: $500 over 1y, 0.0% of budgetHOPE CHICAGO INC: $500 over 1y, 0.0% of budgetOUR HOUSE INC: $500 over 1y, 0.0% of budgetLIBENU: $450 over 2y, 0.0% of budgetJewish Child and Family Services: $400 over 2y, 0.0% of budgetTREE HOUSE HUMANE SOCIETY INC: $250 over 1y, 0.0% of budgetLINKS HALL INC: $250 over 2y, 0.0% of budgetFRIENDS OF THE FOREST PRESERVES: $200 over 2y, 0.0% of budgetPRO PUBLICA INC: $200 over 1y, 0.0% of budgetTHE SELFHELP HOME INC: $200 over 1y, 0.0% of budgetFOUNDATION FOR HEARING AND SPEECH RESOURCES: $175 over 1y, 0.1% of budgetFOOD ANIMAL CONCERNS TRUST (FACT INC): $150 over 1y, 0.0% of budgetDEPAUL UNIVERSITY: $150 over 1y, 0.0% of budgetDENVER BOTANIC GARDENS INC: $135 over 1y, 0.0% of budgetSKIRBALL CULTURAL CENTER: $126 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 MERYL SUZANNE WEISS FUND ↗
  • Who funds Lyric Opera of Chicago ↗
  • Who funds THE SANTA FE OPERA ↗
  • Who funds University of Chicago ↗
  • Who funds RAVINIA FESTIVAL ASSOCIATION ↗
  • Who funds Chicago Symphony Orchestra ↗
  • Who funds Chicago Humanities Festival ↗
  • Who funds OLD TOWN SCHOOL OF FOLK MUSIC ↗
  • Who funds Claremont McKenna College ↗
  • Who funds Khecari ↗
  • Who funds CHICAGO OPERA THEATER ↗
  • Who funds GRANT PARK ORCHESTRAL ASSOCIATION ↗
  • Who funds KENYON COLLEGE ↗
  • Who funds Chicago Dancemakers Forum ↗
  • Who funds JEWISH UNITED FUND OF METROPOLITAN CHICAGO ↗
  • Who funds MUSEUM OF NEW MEXICO FOUNDATION ↗
  • Who funds LOS ANGELES PHILHARMONIC ASSOCIATION ↗
  • Who funds WINDOW TO THE WORLD COMMUNICATIONS INC ↗
  • Who funds Rush University Medical Center ↗
  • Who funds CHICAGO HORTICULTURAL SOCIETY ↗
  • Who funds GROWING HOME INC ↗
  • Who funds FRIENDS OF THE CHICAGO RIVER ↗
  • Who funds LENSIC PERFORMING ARTS CENTER ↗
  • Who funds International Council for Small Business George Wash Univ Sch of Business ↗
  • Who funds Franciscan Community Benefit Services ↗

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 TrustIL25.3× affinity15 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Chicago Community Trust · Jewish Federation of Metropolitan Chicago · John D and Catherine T Macarthur Foundation · Gaylord and Dorothy Donnelley Foundation · Walder Foundation · Robert R McCormick Foundation · Jpmorgan Chase Foundation · Arkes Family Foundation · Builders Vision Foundation · Lloyd a Fry Foundation · Field Foundation of Illinois · Arie and Ida Crown Memorial

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 Robert G Weiss Family Foundation funds: left to right is the share of its income from government, bottom to top the share from Robert G Weiss Family Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 00%0%1%3%5%funder's share of their income ↑0%25%50%75%100%share of the org’s income from government →
    no gov moneyreceives it· size = income
    0get no government money at all
    12report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    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 Robert G Weiss Family Foundation?

    Find your warmest path to Robert G Weiss Family 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 87 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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