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Florida · Private foundation

Mortimer J & Eugenie Alter Propp Fund

Its FY2024 filing reports that it accepted unsolicited grant applications.

$130k
Granted FY2024(still arriving)
17
Grants FY2024
18
Organizations funded FY2023
22%
First-time grantees FY2023
Read the full brief
Median grant, FY2024
$5,000
Largest grant, FY2024
$30,000
Organizations funded a year
8 to 21
FY2017 to FY2023
States reached, FY2024
3
Total assets, FY2024
$2.4M
Applications
Takes unsolicited applications
Per its most recent filing; check its own site

How open it is to new grantees

In FY2023, 22% of the organizations Mortimer J & Eugenie Alter Propp Fund funded were first-time grantees, receiving 5% of its grant dollars.

New vs renewed · share of each year

In FY2023, 95% of grant dollars renewed an existing relationship; $13k went to new ones.

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

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

’18’19’20’21’22’23
EducationHealthFood & NutritionHuman ServicesPhilanthropyCivil 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
FY2024still arriving17$130k24%
FY202318$239k22%
FY202215$265k53%
FY202111$183k55%
FY20208$150k13%
FY201921$196k81%
FY20189$167k11%
FY201716$159kn/a
100% classified

What it funded, over time

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

Education$938kReligion$250kFood & Nutrition$117kHuman Services$58kHealth$50kScience & Tech$50kArts & Culture$23kCivil Rights$1kOther$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

NY
MA
WY
IA
PA
NJ
DC
FL

Top grantees

Largest recipients by total granted, FY2017 to FY2024, and the share of each one’s budget the grants supplied at peak.

GranteeTotal grantedYearsShare of their budget
Westchester Day School$157,0005n/a
South Florida Academy of Learning Inc$110,00035%
Palm Beach Orthodox Synagogue Inc$55,0003n/a
Institute of Semitic Studies Inc$50,0007n/a
Lubavitch Educational Center$45,0004n/a
Farm Share Inc$25,00010%
Hebrew Free Loan Society Inc$15,18130%
Sharsheret Inc$15,00020%
Jupiter Medical Center Inc$15,00030%
Boston Ballet Inc$12,50010%
Show all 24 grantees
All grantees of Mortimer J & Eugenie Alter Propp Fund by total granted
GranteeTotal grantedYearsShare of their budget
Westchester Day School$157,0005n/a
South Florida Academy of Learning Inc$110,00035%
Palm Beach Orthodox Synagogue Inc$55,0003n/a
Institute of Semitic Studies Inc$50,0007n/a
Lubavitch Educational Center$45,0004n/a
Farm Share Inc$25,00010%
Hebrew Free Loan Society Inc$15,18130%
Sharsheret Inc$15,00020%
Jupiter Medical Center Inc$15,00030%
Boston Ballet Inc$12,50010%
Chai Lifeline Inc$10,00020%
American Friends of Bar-Ilan University$10,00040%
Macculloch Hall Historical Museum$10,00011%
Palm Beach Jewish Center Inc$10,0002n/a
The Benjamin Private School Inc$7,00020%
New York Board of Rabbis Inc$6,5002n/a
Westchester Hebrew High School$5,00020%
Place of Hope Inc$5,00010%
Jupiter Medical Center Foundation Inc$5,00010%
Congregation Anshe Sholom$3,0001n/a
Chabad Lubavitch of the Poconos Inc$2,5001n/a
Buffalo Senior Center Inc$1,52520%
American Jewish Committee$1,25010%
United Negro College Fund Inc$1,00010%

Plus 33 recipients with no EIN on record ($910k), not named here.

Where it is load-bearing

Each grantee by its size and the share of its budget Mortimer J & Eugenie Alter Propp Fund supplied at peak.

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetSouth Florida Academy of Learning Inc: $110,000 over 3y, 4.9% of budgetFarm Share Inc: $25,000 over 1y, 0.0% of budgetHebrew Free Loan Society Inc: $15,181 over 3y, 0.1% of budgetSharsheret Inc: $15,000 over 2y, 0.1% of budgetJupiter Medical Center Inc: $15,000 over 3y, 0.0% of budgetBoston Ballet Inc: $12,500 over 1y, 0.0% of budgetChai Lifeline Inc: $10,000 over 2y, 0.0% of budgetAmerican Friends of Bar-Ilan University: $10,000 over 4y, 0.0% of budgetMacculloch Hall Historical Museum: $10,000 over 1y, 1.4% of budgetThe Benjamin Private School Inc: $7,000 over 2y, 0.0% of budgetWestchester Hebrew High School: $5,000 over 2y, 0.1% of budgetPlace of Hope Inc: $5,000 over 1y, 0.1% of budgetJupiter Medical Center Foundation Inc: $5,000 over 1y, 0.0% of budgetBuffalo Senior Center Inc: $1,525 over 2y, 0.1% of budgetAmerican Jewish Committee: $1,250 over 1y, 0.0% of budgetUnited Negro College Fund Inc: $1,000 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 16.

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.

Morris & Anna Propp Sons Fund IncFL20× affinity7 shared granteesties to 8 of 8Hover any node to trace its alignments.Compare side by side →

Open a dossier: Morris & Anna Propp Sons Fund Inc · Marni & Morris Propp II Family Foundation Inc · Jewish Communal Fund · National Philanthropic Trust · Vanguard Charitable Endowment Program · Charities Aid Foundation America · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund · Amazonsmile 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 Mortimer J & Eugenie Alter Propp Fund with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to Mortimer J & Eugenie Alter Propp Fund?

Find your warmest path to Mortimer J & Eugenie Alter Propp Fund 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 Mortimer J & Eugenie Alter Propp Fund

How much does Mortimer J & Eugenie Alter Propp Fund give?
Mortimer J & Eugenie Alter Propp Fund reported 17 grants totaling $129,681 in its FY2024 IRS filing. It funded between 8 and 21 organizations a year over FY2017 to FY2023.
What does Mortimer J & Eugenie Alter Propp Fund fund?
By grant dollars over FY2017 to FY2024, its largest causes are Education (63%), Religion (17%), Food & Nutrition (8%).
Who are Mortimer J & Eugenie Alter Propp Fund's largest grantees?
By total granted over FY2017 to FY2024: Westchester Day School ($157k), South Florida Academy of Learning Inc ($110k), Palm Beach Orthodox Synagogue Inc ($55k).
Does Mortimer J & Eugenie Alter Propp Fund fund new organizations?
In FY2023, 22% of the organizations it funded were first-time grantees.
Does Mortimer J & Eugenie Alter Propp Fund accept unsolicited applications?
Its most recent filing reports that it accepts unsolicited grant applications.
Which funders back the same organizations as Mortimer J & Eugenie Alter Propp Fund?
Its strongest co-funders, measured against what their size predicts, include Morris & Anna Propp Sons Fund Inc, Marni & Morris Propp II Family Foundation Inc, Jewish Communal Fund.
Where is Mortimer J & Eugenie Alter Propp Fund based?
Mortimer J & Eugenie Alter Propp Fund 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 57 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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