· Private foundation
Jack's 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.
What it funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.
Where the money goes
Grants by size, and the largest recipients.
By grant size · FY2025
- Under $10k2 grants · $13k
- $10k–50k10 grants · $250k
- $50k–250k5 grants · $425k
- $250k+1 grant · $450k
| Recipient | Amount |
|---|---|
| HARBOR COUNTRY DAY SCHOOL | $450,000 |
| NATIONAL TRUST FOR HISTORIC | $125,000 |
| THE BOWERY MISSION | $100,000 |
| THE POLISH MUSEUM OF AMERICA | $100,000 |
| WEILL CORNELL MEDICAL CENTER | $50,000 |
| WESTMINSTER SCHOOL | $50,000 |
| LONG ISLAND CARES | $40,000 |
| HELPING HANDS RESCUE MISSION | $40,000 |
| THE VANDERBILT MUSEUM | $40,000 |
| SAVE THE SOUND | $30,000 |
| LITTLE SHELTER ANIMAL RESCUE | $30,000 |
| Individual grant recipient | $25,000 |
| OLD WESTBURY GARDENS | $15,000 |
| DOCTORS WITHOUT BORDERS | $10,000 |
| AMERICARES | $10,000 |
Does the money reach high-need areas?
Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.
Its human-services grants (FY19–25, $85k) land where the poverty rate runs at 9%, against an area that typically sits at 8%. 24% of those dollars go to grantees based in above-average-need neighborhoods. Its grants skew toward lower-need ZIPs.
How this is measured
Which US states its grants reach
How this is measured
Who it funds again
Organizations funded in more than one year, against those funded once.
21 repeat relationships: 16 still active in FY2025, 5 since wound down; 2 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, 95% of grant dollars renewed an existing relationship; $58k went to new ones.
Where new relationships form · theme of each grantee’s first grant
How this is measured
Backed again, and grew
- HCHARBOR COUNTRY DAY SCHOOL8× · 2017–2025 · $2.0M · revenue +116%
- PMPolish Museum of America6× · 2020–2025 · $535k · revenue +23%
- TOTRUSTEES OF WESTMINSTER SCHOOL INC5× · 2020–2025 · $410k · revenue +32%
Funded once
- DRDurango Railroad Historical Societyone grant, 2023 · $75k · revenue -75% · 42% of their budget
- IGIndividual grant recipientone grant, 2024 · $25k
- FFFRIENDS FOR THE ISRAELI DEFENSEone grant, 2024 · $10k
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.
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.
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 new york botanical garden is a museum of plants and a scientific research center devoted to the study of plants and their uses. it is the garden's mission to improve public understanding of the natural world, horticulture, and the…
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.
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.
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.
Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.
To serve the people of the Saratoga region by providing them access to excellence in healthcare in a supportive and caring environment.
Wamc is chartered by the new york state board of regents to "furnish, prepare and present non-profit and non-commercial educational, instructional and cultural radio programs and also non-profit and non-commercial programs (wamc's mission…
To provide accountable, responsive quality care with the highest degree of sensitivity to the needs of our diverse, multilingual population while fulfilling the professional and educational needs of our members.
How this is measured
17 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. 17 of the 29 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.
Where the money sits, by cause and then by grantee
Each grantee by its size and the funder’s share of it; top left is load-bearing
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.
- Who funds HARBOR COUNTRY DAY SCHOOL ↗
- Who funds Polish Museum of America ↗
- Who funds TRUSTEES OF WESTMINSTER SCHOOL INC ↗
- Who funds Christian Herald Association Inc ↗
- Who funds Old Westbury Gardens Inc ↗
- Who funds THE KOSCIUSZKO FOUNDATION INC ↗
- Who funds SAVE THE SOUND ↗
- Who funds FARM SANCTUARY INC ↗
- Who funds Durango Railroad Historical Society ↗
- Who funds Long Island Cares Inc ↗
- Who funds SACRED HEART UNIVERSITY INCORPORATED ↗
- Who funds New York City Rescue Mission ↗
- Who funds AMERICARES FOUNDATION INC ↗
- Who funds WOUNDED WARRIOR PROJECT INC ↗
- Who funds MEDECINS SANS FRONTIERES USA INC ↗
- Who funds THE CARNEGIE HALL CORPORATION ↗
- Who funds PAWS FOR PURPLE HEARTS ↗
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.
Open a dossier: The Bank of America Charitable Foundation Inc · Vanguard Charitable Endowment Program · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund · Amazonsmile Foundation
How this is measured
How much its grantees rely on government
Each dot is one organization Jack's Foundation Inc funds: left to right is the share of its income from government, bottom to top the share from Jack's Foundation Inc. Bigger dots raise more.
- Save the Sound: 20% of income from government
- Sacred Heart University Incorporated: 1% of income from government
- Americares Foundation Inc: 0% of income from government
How this is measured
Warm introductions · Powered by PlinthPlus
How do I get to Jack's Foundation Inc?
Find your warmest path to Jack's 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.
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