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New York · Private foundation

Kate Cassidy 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.

$5.2M
Granted FY2025(still arriving)
62
Grants FY2025
59
Organizations funded FY2024
2%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$15,000
Largest grant, FY2025
$1,650,000
Organizations funded a year
47 to 61
FY2019 to FY2024
States reached, FY2025
9
Total assets, FY2025
$94M
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 2% of the organizations Kate Cassidy Foundation funded were first-time grantees, receiving 0% of its grant dollars.

New vs renewed · share of each year

In FY2024, 100% of grant dollars renewed an existing relationship; $5k went to new ones.

50%100%’20’21’22’23’24
RenewedFirst-time

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

’20’21’22’23’24
Food & NutritionArts & CultureEducationAnimalsHealthHuman ServicesOther
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
FY2025still arriving60$5.0M7%
FY202459$4.0M2%
FY202361$3.7M13%
FY202259$3.4M32%
FY202157$3.4M21%
FY202051$3.3M20%
FY201947$3.5Mn/a
97% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2019 to 2025.

Arts & Culture$16MFood & Nutrition$2.5MPhilanthropy$1.9MReligion$1.9MEducation$1.5MYouth Development$705kHealth$475kRecreation & Sports$460kOther$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

IL
NY
MA
CT
CA
MO
KY
VA
KS
TN
DC
FL

Top grantees

Largest recipients by total granted, FY2019 to FY2025, and the share of each one’s budget the grants supplied at peak.

GranteeTotal grantedYearsShare of their budget
Museum of Modern Art$6,620,00070%
Friends of Thirteen Inc$2,450,0003n/a
The Young Men's and Young Women's Hebrew Association$1,900,00071%
Metropolitan Museum of Art$1,850,00070%
Wnet$1,520,00031%
Project Most Inc$1,148,000712%
American Museum of Natural History$668,00040%
Solomon R Guggenheim Foundation$550,00030%
Long Island Cares Inc$329,14870%
Springs Food Pantry Inc$315,00069%
Show all 75 grantees
All grantees of Kate Cassidy Foundation by total granted
GranteeTotal grantedYearsShare of their budget
Museum of Modern Art$6,620,00070%
Friends of Thirteen Inc$2,450,0003n/a
The Young Men's and Young Women's Hebrew Association$1,900,00071%
Metropolitan Museum of Art$1,850,00070%
Wnet$1,520,00031%
Project Most Inc$1,148,000712%
American Museum of Natural History$668,00040%
Solomon R Guggenheim Foundation$550,00030%
Long Island Cares Inc$329,14870%
Springs Food Pantry Inc$315,00069%
Feeding America$275,00060%
Island Harvest Ltd$250,00060%
East Hampton Meals on Wheels Inc$245,000712%
East Hampton Food Pantry Inc$245,000618%
Amber Waves Farm Inc$245,00052%
The Ladies Village Improvement Society of East Hampton$195,00073%
Community Action of Southold Town Inc$180,00062%
Local Tv Inc$175,00046%
Family Service League Inc$170,00070%
Hayground School Inc$150,00051%
Montauk Food Pantry$115,000411%
National Foundation for Ectodermal Dysplasias$105,00072%
Helen Hayes Hospital Foundation Inc$91,000730%
Zara Aina Inc$90,000627%
New York Public Radio$90,00030%
Habitat for Humanity of Long Island Inc$85,00041%
The New York Times Communities Fund$75,00030%
American National Red Cross & Its Constituent Chapters and Branches$75,00030%
East Hampton Education Foundation Inc$75,000424%
Sierra Club Foundation$70,00070%
Village Preservation Society of East Hampton Inc$70,000714%
Retreat Inc$70,00070%
Waterorg$70,00070%
The New York Public Library Astor Lenox and Tilden Foundations$70,00070%
Central Park Conservancy Inc$70,00070%
Peconic Land Trust Inc$65,00070%
The Surfrider Foundation$65,00010%
Skowhegan School of Painting and Sculpture Inc$65,00070%
The Southampton Hospital Foundation Inc$60,00030%
Arts Center at Duck Creek Inc$55,000510%
East End Hospice Inc$50,00050%
Wounded Warrior Project Inc$45,00050%
Animal Legal Defense Fund Inc$45,00030%
International Rescue Committee INC$40,00040%
Jane Goodall Institute for Wildlife Research Education and Conservation$40,00070%
The Michael J Fox Foundation for Parkinson's Research$40,00070%
World Wildlife Fund Inc$35,00070%
The Parrish Art Museum Inc$35,00070%
East Hampton Library$30,00060%
Peconic Public Broadcasting$30,00032%
Maureens Haven Inc$30,00033%
Guild Hall of East Hampton Inc$30,00030%
United Animal Nations Dba Redrover$25,00010%
Happy Tails Pet Sanctuary$25,00015%
Wildlife Care Association$25,00018%
Longhouse Reserve$20,00040%
Connecticut Public Broadcasting Inc$20,00020%
American Friends of Magen David Adom$20,0001n/a
St Jude Children's Research Hospital Inc$20,00040%
Ministerio Restauracion a las Naciones$20,0001n/a
Jewish Center of the Hamptons$17,5001n/a
Great Plains Conservation Foundation$15,00011%
Second Chance Foods Inc$15,0001n/a
Operation International Ltd$15,00012%
Lincoln Center for the Performing Arts Inc$15,00030%
Spca of Westchester Inc$15,00030%
South East Consortium$15,00011%
Loaves and Fishes$12,50014%
Sacramento Food Bank & Family Services$12,50010%
Alvin Ailey Dance Foundation Inc$10,00010%
Friends of the Israel Defense Forces$10,0001n/a
Kentucky Chamber Foundation Inc$10,00010%
Springs Fire Department Inc$7,00071%
Blood Cancer United Inc$6,00020%
Hoops for Hope Inc$5,00013%

What it could do for these grantees

Plus 26 recipients with no EIN on record ($4.4M), not named here.

Where it is load-bearing

Kate Cassidy Foundation supplied at least a quarter of the budget for 2 of its grantees at some point. The chart plots its 69 largest grantees; load-bearing ones sit top left.

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetMuseum of Modern Art: $6,620,000 over 7y, 0.5% of budgetThe Young Men's and Young Women's Hebrew Association: $1,900,000 over 7y, 1.4% of budgetMetropolitan Museum of Art: $1,850,000 over 7y, 0.1% of budgetWnet: $1,520,000 over 3y, 0.6% of budgetProject Most Inc: $1,148,000 over 7y, 12% of budgetAmerican Museum of Natural History: $668,000 over 4y, 0.1% of budgetSolomon R Guggenheim Foundation: $550,000 over 3y, 0.3% of budgetLong Island Cares Inc: $329,148 over 7y, 0.3% of budgetSprings Food Pantry Inc: $315,000 over 6y, 9.1% of budgetFeeding America: $275,000 over 6y, 0.0% of budgetIsland Harvest Ltd: $250,000 over 6y, 0.1% of budgetEast Hampton Meals on Wheels Inc: $245,000 over 7y, 12% of budgetEast Hampton Food Pantry Inc: $245,000 over 6y, 18% of budgetAmber Waves Farm Inc: $245,000 over 5y, 1.6% of budgetThe Ladies Village Improvement Society of East Hampton: $195,000 over 7y, 2.9% of budgetCommunity Action of Southold Town Inc: $180,000 over 6y, 1.6% of budgetLocal Tv Inc: $175,000 over 4y, 6.1% of budgetFamily Service League Inc: $170,000 over 7y, 0.0% of budgetHayground School Inc: $150,000 over 5y, 0.9% of budgetMontauk Food Pantry: $115,000 over 4y, 11% of budgetNational Foundation for Ectodermal Dysplasias: $105,000 over 7y, 1.5% of budgetHelen Hayes Hospital Foundation Inc: $91,000 over 7y, 30% of budgetZara Aina Inc: $90,000 over 6y, 27% of budgetNew York Public Radio: $90,000 over 3y, 0.0% of budgetHabitat for Humanity of Long Island Inc: $85,000 over 4y, 0.6% of budgetThe New York Times Communities Fund: $75,000 over 3y, 0.3% of budgetAmerican National Red Cross & Its Constituent Chapters and Branches: $75,000 over 3y, 0.0% of budgetEast Hampton Education Foundation Inc: $75,000 over 4y, 24% of budgetSierra Club Foundation: $70,000 over 7y, 0.0% of budgetVillage Preservation Society of East Hampton Inc: $70,000 over 7y, 14% of budgetRetreat Inc: $70,000 over 7y, 0.2% of budgetWaterorg: $70,000 over 7y, 0.1% of budgetThe New York Public Library Astor Lenox and Tilden Foundations: $70,000 over 7y, 0.0% of budgetCentral Park Conservancy Inc: $70,000 over 7y, 0.0% of budgetPeconic Land Trust Inc: $65,000 over 7y, 0.1% of budgetThe Surfrider Foundation: $65,000 over 1y, 0.5% of budgetSkowhegan School of Painting and Sculpture Inc: $65,000 over 7y, 0.4% of budgetThe Southampton Hospital Foundation Inc: $60,000 over 3y, 0.3% of budgetArts Center at Duck Creek Inc: $55,000 over 5y, 9.8% of budgetEast End Hospice Inc: $50,000 over 5y, 0.1% of budgetWounded Warrior Project Inc: $45,000 over 5y, 0.0% of budgetAnimal Legal Defense Fund Inc: $45,000 over 3y, 0.2% of budgetInternational Rescue Committee INC: $40,000 over 4y, 0.0% of budgetJane Goodall Institute for Wildlife Research Education and Conservation: $40,000 over 7y, 0.0% of budgetThe Michael J Fox Foundation for Parkinson's Research: $40,000 over 7y, 0.0% of budgetWorld Wildlife Fund Inc: $35,000 over 7y, 0.0% of budgetThe Parrish Art Museum Inc: $35,000 over 7y, 0.1% of budgetEast Hampton Library: $30,000 over 6y, 0.2% 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 69.

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.

Andrew Sabin Family FoundationNY26.2× affinity10 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Andrew Sabin Family Foundation · The New York Community Trust · Jewish Communal Fund · The Jct Foundation · The Donald and Barbara Zucker Family Foundation · The Fine and Greenwald Foundation · The Goldman Sachs Charitable Gift Fund · The Willem de Kooning Foundation · Harriet Ames Charitable Trust 8162-06-40 · David B Kriser Foundation Inc · The Reba Judith Sandler Foundation Inc · J & Ar Foundation

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 Kate Cassidy Foundation with peer funders

About Kate Cassidy Foundation

How much does Kate Cassidy Foundation give?
Kate Cassidy Foundation reported 62 grants totaling $5,216,148 in its FY2025 IRS filing. It funded between 47 and 61 organizations a year over FY2019 to FY2024.
What does Kate Cassidy Foundation fund?
By grant dollars over FY2019 to FY2025, its largest causes are Arts & Culture (56%), Food & Nutrition (9%), Philanthropy (7%).
Who are Kate Cassidy Foundation's largest grantees?
By total granted over FY2019 to FY2025: Museum of Modern Art ($6.6M), Friends of Thirteen Inc ($2.5M), The Young Men's and Young Women's Hebrew Association ($1.9M).
Does Kate Cassidy Foundation fund new organizations?
In FY2024, 2% of the organizations it funded were first-time grantees.
Does Kate Cassidy 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 Kate Cassidy Foundation?
Its strongest co-funders, measured against what their size predicts, include Andrew Sabin Family Foundation, The New York Community Trust, Jewish Communal Fund.
Where is Kate Cassidy Foundation based?
Kate Cassidy 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 103 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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