· Private foundation
The Weill Family Foundation
Its FY2024 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 FY2017–2024.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2024
- Under $10k4 grants · $20k
- $10k–50k3 grants · $60k
- $50k–250k8 grants · $600k
- $250k+5 grants · $17M
| Recipient | Amount |
|---|---|
| UNIVERSITY OF CALIFORNIA SAN FRANCISCO FOUNDATION | $9,653,607 |
| UNIVERSITY OF CALIFORNIA BERKELEY FOUNDATION | $3,753,607 |
| UC DAVIS FOUNDATION | $2,500,000 |
| NAF | $800,000 |
| NEW YORK HISTORICAL SOCIETY | $250,000 |
| CHABAD OF SONOMA COUNTY | $150,000 |
| ALVIN AILEY DANCE FOUNDATION INC | $125,000 |
| THE CARNEGIE HALL CORPORATION | $75,000 |
| CORNELL university | $50,000 |
| AMERICAN CONSERVATORY THEATRE FOUNDATION | $50,000 |
| LEUKEMIA & LYMPHOMA SOCIETY | $50,000 |
| UNIVERSITY OF CHICAGO | $50,000 |
| LANG LANG INTERNATIONAL MUSIC FOUNDATION INC | $50,000 |
| COUNCIL ON FOREIGN RELATIONS | $25,000 |
| YALE UNIVERSITY | $25,000 |
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 (FY17–23, $70k) land where the poverty rate runs at 10%, against an area that typically sits at 10%. 14% of those dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-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.
And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +21% since the first grant, against +1% for the ones you funded once.
16 repeat relationships — 11 still active in FY2024, 5 since wound down; 8 grantees were first funded in FY2024 (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 FY2024, 83% of grant dollars renewed an existing relationship; $2.9M 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
Cornell University3× · 2019–2024 · $23M · revenue +50%- TCTHE CARNEGIE HALL CORPORATION5× · 2017–2024 · $8.2M · revenue +176%
- AAALVIN AILEY DANCE FOUNDATION INC5× · 2017–2024 · $550k · revenue +32%
Funded once
- TETEMPLE EMANUEL OF GREAT NECKone grant, 2019 · $600k
- UOUNIVERSITY OF CALIFORNIA DAVISone grant, 2019 · $500k
- THThe Hebrew Home for Aged at Riverdaleone grant, 2022 · $500k · revenue -5%
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.
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.
Provide an independent forum for those who dare to read, think, speak, and write to advance the professional, literary, and scientific understanding of sea power and other issues critical to global security.
Advance science, engineering, and innovation throughout the world for the benefit of all. the world's largest multidisciplinary scientific society and a leading publisher of cutting-edge research through its science family of journals,…
The union of concerned scientists puts rigorous, independent science into action, developing solutions and advocating for a healthy, safe, and just future.
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…
Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.
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.
Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.
Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.
The ucla foundation is the giving, receiving, and investing arm of the ucla campus. the foundation enables private donors to help build, sustain and advance one of the world's finest academic and research institutions. private philanthropy…
Operate a state-of-the-art, world-class genomic research center that creates and uses advanced genomics to understand the genetic basis of disease. for more information, see schedule o.
Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.
For reference, the grantee most central to the portfolio’s shape is Jewish Community Federation of San Francisco the Peninsula Marin & Sonoma and the most unlike its peers is Wing & Barrel Foundation. 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 44 years old; the field is 14. You back the established end — and your money leans older still.
The field is 24% startups (under 5 years old) — 2% of your grantees by number, and just 1% of your money.
The orgs you fund almost never close — 2% lost their exemption, against 14% 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.
43 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. 43 of the 51 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 UNIVERSITY OF CALIFORNIA SAN FRANCISCO FOUNDATION ↗
- Who funds Cornell University ↗
- Who funds UNIVERSITY OF CALIFORNIA BERKELEY FOUNDATION ↗
- Who funds THE CARNEGIE HALL CORPORATION ↗
- Who funds THE UC DAVIS FOUNDATION ↗
- Who funds LANG LANG INTERNATIONAL MUSIC FOUNDATION INC ↗
- Who funds CORNELL UNIVERSITY FOUNDATION ↗
- Who funds ALVIN AILEY DANCE FOUNDATION INC ↗
- Who funds The Hebrew Home for Aged at Riverdale ↗
- Who funds AMERICAN SOCIETY FOR TECHNION ISRAEL INSTITUTE OF TECHNOLOGY INC ↗
- Who funds New York Historical Society ↗
- Who funds CITYMEALS-ON-WHEELS ↗
- Who funds NEW YORK WEILL CORNELL MEDICAL CENTER FUND INC ↗
- Who funds COUNCIL ON FOREIGN RELATIONS INC ↗
- Who funds THE HISTORYMAKERS ↗
- Who funds SONOMA VALLEY HOSPITAL FOUNDATION ↗
- Who funds University of Chicago ↗
- Who funds BLOOD CANCER UNITED INC ↗
- Who funds INDIVIDUALS NOW INC DBA SOCIAL ADVOCATES FOR YOUTH ↗
- Who funds AMERICAN CONSERVATORY THEATRE FOUNDATION ↗
- Who funds PROJECT SUNSHINE INC ↗
- Who funds AMERICA-ISRAEL FRIENDSHIP LEAGUE INC ↗
- Who funds RONALD MCDONALD HOUSE OF NEW YORK INC ↗
- Who funds POINTS OF LIGHT FOUNDATION ↗
- Who funds WORLD CENTRAL KITCHEN INC ↗
- Who funds HOMES FOR OUR TROOPS INC ↗
- Who funds Santa Rosa High School Choral Music Boosters ↗
- Who funds THE CONSERVATION FUND A NONPROFIT CORPORATION ↗
- Who funds THE SOLDIERS PROJECT ↗
- Who funds AnnieCannons Inc ↗
- Who funds CONSERVATION INTERNATIONAL FOUNDATION ↗
- Who funds EQUAL JUSTICE INITIATIVE ↗
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: Gs Donor Advised Philanthropy Fund for Wealth Management Inc · American Endowment Foundation · Morgan Stanley Global Impact Funding Trust Inc · National Philanthropic Trust · The Chicago Community Trust · Jpmorgan Chase Foundation · The Bank of America Charitable Foundation Inc · Donor Advised Charitable Giving Inc · Network for Good · American Online Giving Foundation Inc · Vanguard Charitable Endowment Program · Fidelity Investments Charitable Gift Fund
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 The Weill 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.
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 The Weill Family Foundation?
Find your warmest path to The Weill 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.