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Tannenbaum Family Foundation at a glance

· Private foundation

Tannenbaum 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.

$206k
Granted FY2025still arriving
9
Grants FY2025still arriving
3
States reached
$50k
Largest
01What it fundsRead
02The needRead
03Its granteesRead
04Its fieldRead
01What it funds
0192% classified

What it funded, over time

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

Education$4.3MPhilanthropy$101kInternational$80kReligion$43kAnimals$40kArts & Culture$12kHuman Services$8kCrime & Legal$5kOther$0
02FY2025 · 9 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k2 grants · $5k
  • $10k–50k5 grants · $101k
  • $50k–250k2 grants · $100k
$11,000
Median grant
3
States reached
$18M
Total assets
Largest grants
RecipientAmount
JEWISH FEDERATION OF PALM BEACH$50,000
Individual grant recipient$50,000
FRIENDS OF ISRAEL DEFENSE FORCES$45,000
TRUSTEES OF THE UNIVERSITY OF PENSSYLVANIA$25,000
THE SOCIETY OF THE FOUR ARTS$11,000
PALM BEACH ZOO$10,000
PALM BEACH SYNAGOGUE$10,000
VILLAGES OF HOPE$2,700
THE FUND FOR WEST PALM BEACH POLICE$2,151
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 (FY25–25, $3k) land where the poverty rate runs at 11%, against an area that typically sits at 13%. 0% of those dollars go to grantees based in above-average-need neighborhoods. Its grants skew toward lower-need ZIPs.

area typical 13%VILLAGES OF HOPE: $3k → 11%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.
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.

76%of every dollar goes to organizations it has funded before.
$369k · 6 repeat orgs$116k to everyone else

Grantees it renews have grown median revenue +136% since the first grant, against -9% for those funded once.

6 repeat relationships: 2 still active in FY2025, 4 since wound down; 5 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

6
8

Total granted

$369k
$40k

Median revenue growth · since first grant

+136%
-9%

Still filing today

67%
50%

New vs renewed · share of each year

In FY2025, 42% of grant dollars renewed an existing relationship; $76k went to new ones.

50%100%’19’20’21’22’24’25
RenewedFirst-time

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

’19’20’21’22’24’25
EducationArts & CultureHuman ServicesHealthAnimalsInternationalOther
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

  • GC
    GREENWICH COUNTRY DAY SCHOOL INC
    2× · 2019–2020 · $101k · revenue +136%
  • GC
    Greenwich County Day School
    2× · 2021–2022 · $100k
  • FRIENDS OF THE ISRAEL DEFENSE FORCES
    2× · 2024–2025 · $80k · revenue 0%

Funded once

  • PC
    Perelmen Center for Jewish Life Lubavitch House
    one grant, 2022 · $20k
  • LH
    LUBAVITCH HOUSE AT PENN INC
    one grant, 2024 · $5k · revenue -20%
  • CF
    CENTER FOR CHILDRENS ADVOCACY INC
    one grant, 2022 · $5k · revenue +15%
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
The Trustees of Princeton University

Research, education and general - princeton university is a private not-for-profit, non-sectarian institution of higher learning with approximately 5,700 undergraduate and 3,300 graduate students. 2,500 students graduated in the 2024-2025…

Education
2
The Children's Hospital of Philadelphia

The children's hospital of philadelphia, the oldest hospital in the united states dedicated exclusively to pediatrics, strives to be the world leader in the advancement of health care for children by integrating excellent patient care,…

Health
3
Bar Ilan University in Israel Inc

Biu produces students who excel in the sciences, humanities, law, engineering, business & the arts.

—
4
Point Park University

Provides innovative education in a dynamic urban setting. dedicated to academic excellence and community engagement,we prepare students of diverse backgrounds with the knowledge, skill,and experience to lead meaningful lives as informed…

—
5
Stony Brook Ophthalmology University Faculty Practice Corporation

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
6
Boston Architectural College

The bac is committed to provide excellence in design education grounded in practice and accessible to diverse communities.

—
7
The Philadelphia School

The philadelphia school educates children for a future that is impossible to know but not impossible to shape. learn here. go anywhere.

—
8
Stony Brook Urology University Faculty Practice Corporation

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
9
Stony Brook Childrens Services University Faculty Practice Corporation

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
10
University of New Haven

The University of New Haven is a student-centered comprehensive university with an emphasis on excellence in liberal arts and professional education. Our mission is to prepare our students to lead purposeful and fulfilling lives in a…

Education
11
Stony Brook Surgical Associates University Faculty Practice Corporation

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
12
Fordham University

Fordham university, the jesuit university of new york, is committed to the discovery of wisdom and the transmission of learning, through research and through education of the highest quality. for more information, see schedule o.

Education
How this is measured
The grantee most central to the portfolio’s shape is Jewish Federation of Palm Beach County Inc; the most unlike its peers is Lubavitch House At Penn Inc. 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

13 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. 13 of the 21 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)
1
Early backer (in before they grew)
13/13
Grantees still filing
6/13
Grew since first funded

Where the money sits, by cause and then by grantee

TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA: $4,050,000 · EducationTRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA+2 more: $140,500 · EducationGreenwich County Day School: $100,000 · OtherIndividual grant recipient: $50,000 · OtherPerelmen Center for Jewish Life Lubavitch House: $20,000 · OtherPALM BEACH ORTHODOX SYNAGOGUE INC: $10,000 · OtherTEMPLE SHOLOM INC: $8,763 · Other+6 more: $15,951 · OtherJEWISH FEDERATION OF PALM BEACH COUNTY INC: $100,000 · PhilanthropyFRIENDS OF THE ISRAEL DEFENSE FORCES: $80,000 · InternationalTHE ZOOLOGICAL SOCIETY OF THE PALM BEACHES INC: $40,000 · AnimalsThe Society of the Four Arts Inc: $11,000 · Arts & CultureTRUST FOR THE NATIONAL MALL: $1,000 · Arts & CultureLUBAVITCH HOUSE AT PENN INC: $5,000 · Human ServicesThe Villages of Hope Inc: $2,700 · Human Services
Education$4,190,500Other$204,714Philanthropy$100,000International$80,000Animals$40,000Arts & Culture$12,000Human Services$7,700

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetTRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA: $4,050,000 over 6y, 0.0% of budgetGREENWICH COUNTRY DAY SCHOOL INC: $100,500 over 2y, 0.1% of budgetJEWISH FEDERATION OF PALM BEACH COUNTY INC: $100,000 over 2y, 0.1% of budgetFRIENDS OF THE ISRAEL DEFENSE FORCES: $80,000 over 2y, 0.0% of budgetTHE ZOOLOGICAL SOCIETY OF THE PALM BEACHES INC: $40,000 over 3y, 0.2% of budgetPALM BEACH DAY ACADEMY INC: $40,000 over 2y, 0.1% of budgetThe Society of the Four Arts Inc: $11,000 over 1y, 0.0% of budgetLUBAVITCH HOUSE AT PENN INC: $5,000 over 1y, 3.1% of budgetCENTER FOR CHILDRENS ADVOCACY INC: $5,000 over 1y, 0.2% of budgetBLOOD CANCER UNITED INC: $3,000 over 1y, 0.0% of budgetThe Fund for West Palm Beach Police Inc: $2,151 over 1y, 0.1% of budgetTRUST FOR THE NATIONAL MALL: $1,000 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.

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.

National Philanthropi…American Online Givin…Donor Advised Charita…Fidelity Investments …Amazonsmile Foundation
National Philanthropic TrustPA11.5× affinity6 shared granteesties to 4 of 4Hover any node to trace its alignments.Compare side by side →

Open a dossier: National Philanthropic Trust · American Online Giving Foundation Inc · 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.

How much its grantees rely on government

Each dot is one organization Tannenbaum Family Foundation funds: left to right is the share of its income from government, bottom to top the share from Tannenbaum Family Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 40%0%1%3%5%funder's share of their income ↑0%3%5%8%10%share of the org’s income from government →median 5%
  • Center for Childrens Advocacy Inc: 5% of income from government
  • Palm Beach Day Academy Inc: 0% of income from government
no gov moneyreceives it· size = income
4get no government money at all
2report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–10%
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.

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 21 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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More from the funding graph

The unnamed billions
grants reported with no recipient in the public record
The regranting layer
51% of grant dollars land in the regranting layer
The DAF merry-go-round
$9.7B circulates between donor-advised funds
The endowment market
who holds foundation money, and what just moved
The camps
funders cluster by geography, not ideology
By state
where grant money is based, and what stays home