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New York · Private foundation

The John L and Sue Ann Weinberg Foundation

Its FY2024 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$1.1M
Granted FY2024(still arriving)
67
Grants FY2024
70
Organizations funded FY2023
13%
First-time grantees FY2023
Read the full brief
Median grant, FY2024
$2,000
Largest grant, FY2024
$200,118
Organizations funded a year
70 to 95
FY2020 to FY2023
States reached, FY2024
9
Total assets, FY2024
$60M
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2023, 13% of the organizations The John L and Sue Ann Weinberg Foundation funded were first-time grantees, receiving 2% of its grant dollars.

New vs renewed · share of each year

In FY2023, 98% of grant dollars renewed an existing relationship; $20k went to new ones.

50%100%’21’22’23
RenewedFirst-time

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

’21’22’23
HealthEducationEnvironmentRecreation & SportsArts & CulturePublic Safety & DisasterOther
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.
The numbers by year
Fiscal yearOrganizations fundedTo those organizationsFirst-time grantees
FY2024still arriving58$1.1M10%
FY202370$866k13%
FY202272$975k24%
FY202195$1.6M35%
FY202091$2.5Mn/a
98% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2019 to 2024.

Health$2.7MEducation$2.4MArts & Culture$1.2MSocial Science$240kRecreation & Sports$124kYouth Development$107kAnimals$46kPhilanthropy$29kOther$0

Top grantees

Largest recipients by total granted, FY2020 to FY2024, and the share of each one’s budget the grants supplied at peak.

Show all 120 grantees
All grantees of The John L and Sue Ann Weinberg Foundation by total granted
GranteeTotal grantedYearsShare of their budget
Greenwich Hospital$773,45150%
Alexander Twilight Academy Inc$600,267317%
New York City Ballet Inc$473,50050%
New York Historical Society$425,21050%
The Hotchkiss School$406,55550%
The New York Public Library Astor Lenox and Tilden Foundations$387,38050%
Teachers College Columbia University$380,63440%
The Trustees of Princeton University$377,45050%
Young Audiences Inc$145,00053%
Cystic Fibrosis Foundation$123,74040%
Squash Haven Inc$81,50052%
Bruce Museum Inc$76,33050%
The Hospital for Special Surgery Fund Inc$70,00050%
Huntington's Disease Foundation$52,00050%
Agawam Council$50,00022%
American Rhinologic Society$43,20021%
The Fibrolamellar Cancer Foundation$38,00050%
Big Brothers Big Sisters of New York City Inc$35,00030%
Museum of the City of New York$31,75040%
Greenwich Historical Society Inc$30,00050%
Vassar College$26,00040%
Round Hill Volunteer Fire Company Inc$25,50024%
Central Park Conservancy Inc$22,80050%
Kucetekela Foundation$22,80043%
United Way of Greenwich Inc$21,50050%
Wildlife Conservation Society$18,50040%
Waterside School Inc$15,00030%
School of American Ballet Inc$15,00020%
The Rockefeller University$15,00030%
United States Squash Racquets Assoc Inc$15,00020%
The Carnegie Hall Corporation$13,00020%
Lincoln Center for the Performing Arts Inc$12,00030%
The Animal Medical Center$11,93020%
Lyford Cay Foundation Inc$10,00010%
The New York and Presbyterian Hospital$10,00010%
The Greenwich Library$10,00050%
Family Centers Inc$10,00050%
East Side House Inc$9,50030%
Metropolitan Museum of Art$8,50040%
New York Junior Tennis League Inc$8,00040%
New York Botanical Garden$7,50050%
National Dance Institute$7,50030%
Alzheimer's Drug Discovery Foundation$7,50030%
Steppingstone Foundation Inc$7,50030%
The Greenwich Land Trust Inc$6,50040%
Boys & Girls Club of Greenwich$6,10040%
US Professional Squash Association Foundation$6,00028%
Usta Foundation Incorporated$5,50020%
Planned Parenthood Federation of America Inc$5,25040%
Mount Sinai Health System Inc$5,00010%
Marine Corps University Foundation Inc$5,00040%
The Michael J Fox Foundation for Parkinson's Research$5,00010%
Greenwich Country Day School Inc$5,00050%
Breast Cancer Alliance Inc$5,00050%
United Hospital Fund of New York$5,00040%
The Mount Sinai Medical Center$5,00010%
Mount Sinai Medical Center Foundation$5,00010%
Adirondack Land Trust Inc$5,00010%
Harvard Business School Club of Greater New York Inc$5,00012%
The Hebrew Home for Aged at Riverdale$5,00010%
Lifeforce in Later Years Inc$4,90012%
Planned Parenthood of Southern New England Inc$4,88050%
Greenwich Emergency Medical Service Inc$4,50050%
New York STEM Cell Foundation Inc$4,00040%
Planned Parenthood of Greater New York Inc$4,00040%
The American Society for the Prevention of Cruelty to Animals$3,25050%
Mastervoices Inc$3,00030%
New York Landmarks Conservancy Inc$3,00010%
Carnegie Hall Inc$3,00010%
American Museum of Natural History$2,75030%
Meeting Street Schools$2,50010%
American Folk Art Museum$2,50010%
The Stepping Stones Foundation$2,5001n/a
Steppingstone Inc$2,50010%
The Stecher and Horowitz Foundation$2,50011%
Museum of Modern Art$2,50010%
1898 Foundation Inc$2,50010%
Connecticut Foodshare Inc$2,40040%
YWCA Greenwich Connecticut Inc$2,10030%
Wnet$2,00010%
Autism Speaks Inc$2,00020%
Thomas G Labrecque Foundation$2,00010%
Alzheimer's Disease & Related Disorders Association Inc$2,00020%
Phipps Neighborhoods Inc$2,00020%
The English Concert In America Inc co Sabal & Associates$2,00011%
The Pingree School Inc$2,00010%
The Food Bank of Lower Fairfield County Inc$1,95050%
Greenwich Riding & Trails Association Inc$1,50030%
National Alliance for Research on Schizophrenia and Depression$1,50030%
The Breast Cancer Research Foundation Inc$1,50030%
The Greenwich Tree Conservancy Inc$1,50030%
Adopt-A-Dog Inc$1,45030%
Fidelco Guide Dog Foundation Inc$1,25050%
Connecticut Humane Society$1,10050%
Parsonage Cottage Home for the Agedinc$1,00011%
Chess-In-The-Schools Inc$1,00010%
St Jude Children's Research Hospital Inc$1,00010%
Caramoor Center for Music & the Arts Inc$1,00020%
Young Audiences New York Inc$1,00010%
Oceanic Free Library Association$1,00010%
Squash and Education Alliance Inc$1,00010%
The Hill House Inc$1,00020%
Neighbors Link Corp$80040%
Hearing Health Foundation$50010%
The Greenwich Rotary Foundation$50011%
Greenwich Arts Council Inc$50010%
The New York Academy of Medicine$25010%
Partnership to End Addiction$25010%
Visiting Nurse Service of New York$25010%
BACKCOUNTRY CONCERTS INC dba BACKCOUNTRY JAZZ$25010%
Call-A-Ride of Greenwich Inc$25030%
Alliance for Cancer Gene Therapy Inc$20010%
Connecticut Trust for Historic Preservation Inc$20010%
Greenwich Chaplaincy Services Inc$20020%
Icahn School of Medicine at Mount Sinai$20010%
Greenwich Green & Clean Inc$10010%
Friends of the Wallace Center Inc$10010%
Boys & Girls Club of Martin County$10010%
Legal Action Center of the City of New York Inc$10010%
Humane World for Animals Inc$5010%

What it could do for these grantees

Plus 36 recipients with no EIN on record ($1.8M), not named here.

Where it is load-bearing

Each grantee by its size and the share of its budget The John L and Sue Ann Weinberg Foundation supplied at peak.

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetGreenwich Hospital: $773,451 over 5y, 0.1% of budgetAlexander Twilight Academy Inc: $600,267 over 3y, 17% of budgetNew York City Ballet Inc: $473,500 over 5y, 0.5% of budgetNew York Historical Society: $425,210 over 5y, 0.3% of budgetThe Hotchkiss School: $406,555 over 5y, 0.1% of budgetThe New York Public Library Astor Lenox and Tilden Foundations: $387,380 over 5y, 0.0% of budgetTeachers College Columbia University: $380,634 over 4y, 0.1% of budgetThe Trustees of Princeton University: $377,450 over 5y, 0.0% of budgetYoung Audiences Inc: $145,000 over 5y, 3.0% of budgetCystic Fibrosis Foundation: $123,740 over 4y, 0.0% of budgetSquash Haven Inc: $81,500 over 5y, 2.5% of budgetBruce Museum Inc: $76,330 over 5y, 0.3% of budgetThe Hospital for Special Surgery Fund Inc: $70,000 over 5y, 0.1% of budgetHuntington's Disease Foundation: $52,000 over 5y, 0.4% of budgetAgawam Council: $50,000 over 2y, 2.0% of budgetAmerican Rhinologic Society: $43,200 over 2y, 1.2% of budgetThe Fibrolamellar Cancer Foundation: $38,000 over 5y, 0.3% of budgetBig Brothers Big Sisters of New York City Inc: $35,000 over 3y, 0.2% of budgetMuseum of the City of New York: $31,750 over 4y, 0.1% of budgetGreenwich Historical Society Inc: $30,000 over 5y, 0.3% of budgetVassar College: $26,000 over 4y, 0.0% of budgetRound Hill Volunteer Fire Company Inc: $25,500 over 2y, 4.3% of budgetCentral Park Conservancy Inc: $22,800 over 5y, 0.0% of budgetKucetekela Foundation: $22,800 over 4y, 3.4% of budgetUnited Way of Greenwich Inc: $21,500 over 5y, 0.3% of budgetWildlife Conservation Society: $18,500 over 4y, 0.0% of budgetWaterside School Inc: $15,000 over 3y, 0.1% of budgetSchool of American Ballet Inc: $15,000 over 2y, 0.1% of budgetThe Rockefeller University: $15,000 over 3y, 0.0% of budgetUnited States Squash Racquets Assoc Inc: $15,000 over 2y, 0.1% of budgetThe Carnegie Hall Corporation: $13,000 over 2y, 0.0% of budgetLincoln Center for the Performing Arts Inc: $12,000 over 3y, 0.0% of budgetThe Animal Medical Center: $11,930 over 2y, 0.0% of budgetLyford Cay Foundation Inc: $10,000 over 1y, 0.4% of budgetThe New York and Presbyterian Hospital: $10,000 over 1y, 0.0% of budgetThe Greenwich Library: $10,000 over 5y, 0.1% of budgetFamily Centers Inc: $10,000 over 5y, 0.0% of budgetEast Side House Inc: $9,500 over 3y, 0.0% of budgetMetropolitan Museum of Art: $8,500 over 4y, 0.0% of budgetNew York Junior Tennis League Inc: $8,000 over 4y, 0.0% of budgetNew York Botanical Garden: $7,500 over 5y, 0.0% of budgetNational Dance Institute: $7,500 over 3y, 0.0% of budgetAlzheimer's Drug Discovery Foundation: $7,500 over 3y, 0.0% of budgetSteppingstone Foundation Inc: $7,500 over 3y, 0.1% of budgetThe Greenwich Land Trust Inc: $6,500 over 4y, 0.1% of budgetBoys & Girls Club of Greenwich: $6,100 over 4y, 0.1% of budgetUS Professional Squash Association Foundation: $6,000 over 2y, 8.2% of budgetUsta Foundation Incorporated: $5,500 over 2y, 0.0% of budget

Tap a dot to name the grantee.

How this is measured
Share of budget is the funder’s grant in a year over the grantee’s total revenue that year, at its highest across the years we hold; revenue is from all sources. Only grantees confirmed against their own filings, whose grants do not exceed their revenue, are plotted: the largest 119.

Nonprofits that may fit its grantmaking

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.

Malkin Fund IncNY26.1× affinity10 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Malkin Fund Inc · The Goldman Sachs Charitable Gift Fund · The Resource Foundation Inc · The New York Community Trust · Cornelia Cogswell Rossi Foundation Inc · Jewish Communal Fund · Fairfield County's Community Foundation Inc · Dr Joseph J Lawrence Trust Diana Serrell Trustee · S & L Marx Foundation · Royce Family Fund Inc · Panwy Foundation Inc · Dalio Family Fund Inc

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.

Compare The John L and Sue Ann Weinberg Foundation with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to The John L and Sue Ann Weinberg Foundation?

Find your warmest path to The John L and Sue Ann Weinberg 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.

About The John L and Sue Ann Weinberg Foundation

How much does The John L and Sue Ann Weinberg Foundation give?
The John L and Sue Ann Weinberg Foundation reported 67 grants totaling $1,141,182 in its FY2024 IRS filing. It funded between 70 and 95 organizations a year over FY2020 to FY2023.
What does The John L and Sue Ann Weinberg Foundation fund?
By grant dollars over FY2020 to FY2024, its largest causes are Health (21%), Education (18%), Arts & Culture (9%).
Who are The John L and Sue Ann Weinberg Foundation's largest grantees?
By total granted over FY2020 to FY2024: Greenwich Hospital ($773k), Alexander Twilight Academy Inc ($600k), New York City Ballet Inc ($474k).
Does The John L and Sue Ann Weinberg Foundation fund new organizations?
In FY2023, 13% of the organizations it funded were first-time grantees.
Does The John L and Sue Ann Weinberg Foundation accept unsolicited applications?
Its most recent filing reports that it funds preselected organizations and does not take unsolicited requests. Check the foundation's own site before ruling it out.
Which funders back the same organizations as The John L and Sue Ann Weinberg Foundation?
Its strongest co-funders, measured against what their size predicts, include Malkin Fund Inc, The Goldman Sachs Charitable Gift Fund, The Resource Foundation Inc.
Where is The John L and Sue Ann Weinberg Foundation based?
The John L and Sue Ann Weinberg Foundation is based in NY.

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 158 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 2024, released 2024. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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