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Florida · Private foundation

Marc & Aileen Grebow Family Foundation Inc

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.

$44k
Granted FY2025(still arriving)
21
Grants FY2025
15
Organizations funded FY2024
53%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$150
Largest grant, FY2025
$23,000
Organizations funded a year
15 to 23
FY2019 to FY2024
States reached, FY2025
6
Total assets, FY2025
$929k
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 53% of the organizations Marc & Aileen Grebow Family Foundation Inc funded were first-time grantees, receiving 19% of its grant dollars.

New vs renewed · share of each year

In FY2024, 81% of grant dollars renewed an existing relationship; $9k 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
HealthPhilanthropyInternationalHuman ServicesCommunity ImprovementCivil RightsOther
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 arriving19$40k47%
FY202415$46k53%
FY202323$48k57%
FY202218$42k50%
FY202119$47k58%
FY202020$23k80%
FY201919$27kn/a
91% classified

What it funded, over time

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

Philanthropy$90kHealth$82kInternational$21kReligion$16kHuman Services$3kEmployment$630Civil Rights$608Recreation & Sports$601Other$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

IL
NY
MA
IA
IN
PA
NJ
CT
CA
CO
VA
MD
KS
TN
DC
GA
TX
FL

Top grantees

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

Show all 51 grantees
All grantees of Marc & Aileen Grebow Family Foundation Inc by total granted
GranteeTotal grantedYearsShare of their budget
Boca Raton Regional Hospital Foundation Inc$84,81050%
United Jewish Appeal-Federation of Jewish Philanthropies of New York Inc$52,03960%
Friends of the Israel Defense Forces$18,52020%
Play for Pink Inc$9,88070%
Cystic Fibrosis Foundation$4,79620%
Bobby Jones Chiari & Syringomyelia Foundation$3,80030%
Big Dog Ranch Rescue Inc$1,9001n/a
American Friends of Magen David Adom$1,40010%
C & S Patient Education Foundation$1,10010%
Har Sinai - Oheb Shalom Congregation Inc$1,0951n/a
Guardian Angel Hospice Foundation Inc$84811%
Israel Emergency Alliance$80010%
Anti-Defamation League$60810%
Chabad of East Boca Inc$5761n/a
Jewish Family Services of Greater Orlando Inc$45630%
American Cancer Society Inc$37620%
Children's Healthcare of Atlanta Inc$30010%
Chabad Lubavitch of West Davie Inc$1801n/a
Florida Atlantic University Foundation Inc$15010%
Blood Cancer United Inc$15010%
Beth Tfiloh Congregation$1113n/a
Brigance Brigade Foundation Inc$10410%
I Am Mentality Inc$10310%
Pancreatic Cancer Action Network Inc$10010%
The Foundation for Education in Honduras$10010%
Sharsheret Inc$1001n/a
United Synagogue of Hoboken$932n/a
Florida Breast Cancer Coalition Research Foundation Inc$8010%
Smile Train Inc$7210%
Alzheimer's Disease & Related Disorders Association Inc$6120%
Alpha Epsilon Phi Foundation$5510%
Running 4 Answers$541n/a
Special Olympics Inc$541n/a
Broadway Caresequity Fights AIDS Inc$5410%
Dysautonomia Foundation Inc Dba Familial Dysautonomia Foundation$5410%
National Pancreatic Cancer Foundation$5410%
Zero Prostate Cancer$5010%
Pen American Center Inc$501n/a
American Heart Association Inc$3810%
Chizuk Amuno Congregation$371n/a
Michael Rolfe Pancreatic Cancer Foundation$3710%
American Diabetes Association$3610%
Gilchrist Foundation$3610%
The House of Ruth Maryland Inc$3610%
Humane World for Animals Inc$251n/a
Georgia Transplant Foundation Inc$2510%
Critical Repairs Caroline County Maryland Inc$201n/a
St Jude Children's Research Hospital Inc$1810%
Parkinson's Foundation Inc$1810%
Pulmonary Fibrosis Foundation$1810%
The Michael J Fox Foundation for Parkinson's Research$1810%

What it could do for these grantees

Plus 34 recipients with no EIN on record ($87k), not named here.

Where it is load-bearing

Each grantee by its size and the share of its budget Marc & Aileen Grebow Family Foundation Inc supplied at peak.

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetBoca Raton Regional Hospital Foundation Inc: $84,810 over 5y, 0.1% of budgetUnited Jewish Appeal-Federation of Jewish Philanthropies of New York Inc: $52,039 over 6y, 0.0% of budgetFriends of the Israel Defense Forces: $18,520 over 2y, 0.0% of budgetPlay for Pink Inc: $9,880 over 7y, 0.1% of budgetCystic Fibrosis Foundation: $4,796 over 2y, 0.0% of budgetBobby Jones Chiari & Syringomyelia Foundation: $3,800 over 3y, 0.2% of budgetAmerican Friends of Magen David Adom: $1,400 over 1y, 0.0% of budgetC & S Patient Education Foundation: $1,100 over 1y, 0.2% of budgetGuardian Angel Hospice Foundation Inc: $848 over 1y, 0.6% of budgetIsrael Emergency Alliance: $800 over 1y, 0.0% of budgetAnti-Defamation League: $608 over 1y, 0.0% of budgetJewish Family Services of Greater Orlando Inc: $456 over 3y, 0.0% of budgetAmerican Cancer Society Inc: $376 over 2y, 0.0% of budgetChildren's Healthcare of Atlanta Inc: $300 over 1y, 0.0% of budgetFlorida Atlantic University Foundation Inc: $150 over 1y, 0.0% of budgetBlood Cancer United Inc: $150 over 1y, 0.0% of budgetBrigance Brigade Foundation Inc: $104 over 1y, 0.0% of budgetI Am Mentality Inc: $103 over 1y, 0.0% of budgetPancreatic Cancer Action Network Inc: $100 over 1y, 0.0% of budgetThe Foundation for Education in Honduras: $100 over 1y, 0.0% of budgetFlorida Breast Cancer Coalition Research Foundation Inc: $80 over 1y, 0.0% of budgetSmile Train Inc: $72 over 1y, 0.0% of budgetAlzheimer's Disease & Related Disorders Association Inc: $61 over 2y, 0.0% of budgetAlpha Epsilon Phi Foundation: $55 over 1y, 0.0% of budgetBroadway Caresequity Fights AIDS Inc: $54 over 1y, 0.0% of budgetDysautonomia Foundation Inc Dba Familial Dysautonomia Foundation: $54 over 1y, 0.0% of budgetNational Pancreatic Cancer Foundation: $54 over 1y, 0.0% of budgetZero Prostate Cancer: $50 over 1y, 0.0% of budgetAmerican Heart Association Inc: $38 over 1y, 0.0% of budgetMichael Rolfe Pancreatic Cancer Foundation: $37 over 1y, 0.0% of budgetAmerican Diabetes Association: $36 over 1y, 0.0% of budgetGilchrist Foundation: $36 over 1y, 0.0% of budgetThe House of Ruth Maryland Inc: $36 over 1y, 0.0% of budgetGeorgia Transplant Foundation Inc: $25 over 1y, 0.0% of budgetSt Jude Children's Research Hospital Inc: $18 over 1y, 0.0% of budgetParkinson's Foundation Inc: $18 over 1y, 0.0% of budgetPulmonary Fibrosis Foundation: $18 over 1y, 0.0% of budgetThe Michael J Fox Foundation for Parkinson's Research: $18 over 1y, 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 38.

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.

Associated Jewish Charities of BaltimoreMD13.1× affinity4 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Associated Jewish Charities of Baltimore · Jpmorgan Chase Foundation · Baird Foundation Inc · Jewish Communal Fund · Network for Good · Morgan Stanley Global Impact Funding Trust Inc · Paypal Charitable Giving Fund · The Bank of America Charitable Foundation Inc · American Online Giving Foundation Inc · Vanguard Charitable Endowment Program · American Endowment Foundation · Donor Advised Charitable Giving 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 Marc & Aileen Grebow Family Foundation Inc with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to Marc & Aileen Grebow Family Foundation Inc?

Find your warmest path to Marc & Aileen Grebow Family Foundation Inc 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 Marc & Aileen Grebow Family Foundation Inc

How much does Marc & Aileen Grebow Family Foundation Inc give?
Marc & Aileen Grebow Family Foundation Inc reported 21 grants totaling $43,831 in its FY2025 IRS filing. It funded between 15 and 23 organizations a year over FY2019 to FY2024.
What does Marc & Aileen Grebow Family Foundation Inc fund?
By grant dollars over FY2019 to FY2025, its largest causes are Philanthropy (39%), Health (36%), International (9%).
Who are Marc & Aileen Grebow Family Foundation Inc's largest grantees?
By total granted over FY2019 to FY2025: Boca Raton Regional Hospital Foundation Inc ($85k), United Jewish Appeal-Federation of Jewish Philanthropies of New York Inc ($52k), Friends of the Israel Defense Forces ($19k).
Does Marc & Aileen Grebow Family Foundation Inc fund new organizations?
In FY2024, 53% of the organizations it funded were first-time grantees.
Does Marc & Aileen Grebow Family Foundation Inc 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 Marc & Aileen Grebow Family Foundation Inc?
Its strongest co-funders, measured against what their size predicts, include Associated Jewish Charities of Baltimore, Jpmorgan Chase Foundation, Baird Foundation Inc.
Where is Marc & Aileen Grebow Family Foundation Inc based?
Marc & Aileen Grebow Family Foundation Inc is based in FL.

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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