· Private foundation
Zeldin 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.
What you funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2019–2025.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2025
- Under $10k48 grants · $79k
- $10k–50k23 grants · $591k
| Recipient | Amount |
|---|---|
| DREAM | $49,500 |
| PUENTES DE SALUD | $47,000 |
| ED SNIDER YOUTH HOCKEY FOUNDATION | $35,750 |
| NETWORK FOR TEACHING ENTREPRENEURSHIP | $35,000 |
| PROJECT HOME | $35,000 |
| FRANKLIN INSTITUTE - STEM SCHOLAR | $35,000 |
| FREIRE FOUNDATION | $35,000 |
| WHYY INC | $33,500 |
| CLAY STUDIO | $33,500 |
| AMERICAN MUSEUM OF NATURAL HISTORY | $32,000 |
| SILKROAD CONNECT PROGRAM | $27,000 |
| THOMAS JEFFERSON UNIVERSITY FUTURE HEALTH PROFESSIONS PROGRAM | $25,000 |
| BALLETX | $20,000 |
| ARDEN THEATRE | $20,000 |
| EXPANDED SCHOOLS | $20,000 |
Do your dollars go where the need is?
Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.
Your human-services grants (FY19–25, $199k) land where the poverty rate runs at 20%, against an area that typically sits at 11%. 99% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty linein the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.
Which US states your grants reach
US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA — shown as context about the area, never attributed to your giving.
Who you back again
Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.
97 repeat relationships — 51 still active in FY2025, 46 since wound down; 17 grantees were first funded in FY2025 (too recent to call).
How the two cohorts compare
Organizations
Total granted
Median revenue growth · since first grant
Still filing today
New vs renewed · share of each year
In FY2025, 81% of grant dollars renewed an existing relationship; $128k went to new ones.
Where new relationships form · theme of each grantee’s first grant
First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). 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
- TCTHE CLAY STUDIO7× · 2019–2025 · $384k · revenue +41%
PUENTES DE SALUD6× · 2020–2025 · $139k · revenue +3%- PHPROJECT HOME7× · 2019–2025 · $116k · revenue +13%
Funded once
- CCCommunity Coalition for Haitione grant, 2019 · $10k · revenue -10%
- SDSAMUEL D COZEN MEMORIAL FUNDone grant, 2024 · $10k · revenue 0%
- FFFJC FOUNDATION OF DONAR ADVISED FUNDSone grant, 2019 · $6k
Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.
The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matchesthat aren’t grantees — a resemblance in what they say they do, not a recommendation.
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…
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…
Nyu is a private university with approximately 60,000 matriculating students in 20 schools and institutes. nyu's primary missions are education, research and scholarship, and patient care.
To educate students to be ethical and socially responsible leaders in a global community.
The institute for advanced study (the institute) is one of the world's leading centers for theoretical research and intellectual inquiry. see schedule o.
As a diverse community of learners, we cultivate integrity, curiosity, connection and resilience.
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,…
The mission of mit is to advance knowledge and educate students in science, technology, and other areas of scholarship that will best serve the nation and the world in the 21st century.
Drexel university fulfills its founder's vision of preparing each new generation of students for productive professional and civic lives while also focusing its collective expertise on solving society's greatest problems. drexel is an…
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…
Undergraduate, graduate, and professional education and research across a broad array of academic domains.
The university's goal in the coming decade is to advance learning through the integration of teaching, research and service to others. the core of this goal is to prepare graduates to engage with the world and lead lives of meaning. to do…
For reference, the grantee most central to the portfolio’s shape is Expanded Schools Inc and the most unlike its peers is Samuel D Cozen Memorial Fund. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
For each theme you fund, this compares how the sector’s money is shifting with how your own giving is shifting.
Sector change and giving change are each shown relative to their own range, growing (right) or shrinking (left); both normalized, so inflation isn’t mistaken for growth.
Your grantees are a median of 39 years old; the field is 19. You back the established end — and your money leans older still.
The field is 18% startups (under 5 years old) — 1% of your grantees by number, and just 0% of your money.
The orgs you fund almost never close — 1% lost their exemption, against 9% of the field you don’t fund.
Age = years since IRS exemption (a founding proxy). “Closed” = auto-revocation for 3 years of non-filing — a floor on closure, not proof, and bigger established orgs lapse least. Association, not causation.
75 grantees tracked through their own filings, 2017–2025.
Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.
Counted here: distinct organizations you funded across 2017–2025, not grant rows in a single year — so this will not match the grant count on the cover. 75 of the 129 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.
Where your money sits — by cause, then by grantee
Each org by its size and your share of it — top-left is where you’re load-bearing
Go grantee by grantee — a decade per org, and how each moved after you funded them
A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.
- Who funds THE CLAY STUDIO ↗
- Who funds PUENTES DE SALUD ↗
- Who funds PROJECT HOME ↗
- Who funds ED SNIDER YOUTH HOCKEY & EDUCATION ↗
- Who funds WHYY INC ↗
- Who funds American Museum of Natural History ↗
- Who funds PROSPECT PARK ALLIANCE INC ↗
- Who funds HARLEM RBI INC ↗
- Who funds FREIRE CHARTER SCHOOL ↗
- Who funds PHILADELPHIA MUSEUM OF ART ↗
- Who funds NETWORK FOR TEACHING ENTREPRENEURSHIP ↗
- Who funds ALL OUR KIDS INC ↗
- Who funds EXPANDED SCHOOLS INC ↗
- Who funds SCRIPTED INC DBA CODE NATION ↗
- Who funds PHILADELPHIA ORCHESTRA ASSOCIATION ↗
- Who funds PLANNED PARENTHOOD FEDERATION OF AMERICA INC ↗
- Who funds FREIRE FOUNDATION ↗
- Who funds TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA ↗
- Who funds THE WILMA THEATER ↗
- Who funds THE ADMINISTRATORS OF THE TULANE EDUCATIONAL FUND ↗
- Who funds KORESH DANCE COMPANY ↗
- Who funds BALLETX ↗
- Who funds TURNING POINTS FOR CHILDREN ↗
- Who funds BROOKLYN PUBLIC LIBRARY ↗
- Who funds THE COMMUNITY FOUNDATION FOR NORTHERN VIRGINIA INC ↗
- Who funds Northwestern University ↗
The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.
Open a dossier: The Philadelphia Foundation · The William Penn Foundation · The Barra Foundation Inc · The Pew Charitable Trusts · Henrietta Tower Wurts Memorial Foundation · Henry Dolfinger 2 Trust Uw · Connelly Foundation · Independence Foundation · The Patricia Kind Family Foundation · The Philadelphia Cultural Fund Inc · The Saramar Charitable Fund · Lindback Cr & Mf Foundation Tw Main
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.
Government reliance of your grantees
Every dot is one organization Zeldin Family Foundation funds. Left–right is the share of its income from government; up–down is the share from you. Bigger dots raise more. Filter to federal or a single department — and drag the year to watch it move.
- Delaware Community Foundation Inc — 13% of income from government
- Northeastern University — 7% of income from government
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 your grant caused the public funding. Coverage is precision-first — a floor, not 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 12–24 months.
Warm introductions · Powered by PlinthPlus
How do I get to Zeldin Family Foundation?
Find your warmest path to Zeldin Family 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.