· Private foundation
Margaret and Marshall Bartlett Family Foundation Inc C/O John Bartlet
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
By grantee IRS cause code (NTEE).
A cause breakdown isn’t shown here: 42% of MARGARET AND MARSHALL BARTLETT FAMILY FOUNDATION INC C/O JOHN BARTLET’s grantee dollars fall outside its nine largest cause areas, whether because the recipient carries no IRS cause code or because its cause sits in the long tail. A chart would be mostly one residual band and misrepresent the portfolio.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2025
- Under $10k35 grants · $60k
- $10k–50k8 grants · $159k
- $50k–250k6 grants · $475k
| Recipient | Amount |
|---|---|
| FOXCROFT SCHOOL - ANNUAL FUND | $160,000 |
| THE LAWRENCEVILLE SCHOOL | $85,000 |
| CONNECTICUT COLLEGE | $75,000 |
| EAGLEBROOK SCHOOL | $55,000 |
| THE FOOTE SCHOOL | $50,000 |
| THE WOMEN'S COLLEGE CLUB OF PRINCETON | $50,000 |
| PRINCETON UNIVERSITY - ANNUAL GIVING | $29,000 |
| THE COLLEGE FOUNDATION OF THE UNIVERSITY OF VIRGINIA | $25,000 |
| THE DUBLIN SCHOOL | $25,000 |
| PRINCETON DAY SCHOOL | $25,000 |
| MIAMI UNIVERSITY FOUNDATION | $20,000 |
| CAPE ELEUTHERA FOUNDATIONS | $15,000 |
| NEW JERSEY AUDUBON | $10,000 |
| AMISTAD MISSION | $10,000 |
| INTERLOCHEN CENTER FOR ARTS | $5,250 |
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 (FY20–25, $14k) land where the poverty rate runs at 12%, against an area that typically sits at 9%. 100% 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.
And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +35% since the first grant, against +16% for the ones you funded once.
80 repeat relationships — 40 still active in FY2025, 40 since wound down; 8 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, 93% of grant dollars renewed an existing relationship; $50k 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
- AFALLEN-CHASE FOUNDATION DBA EAGLEBROOK SCHOOL6× · 2020–2025 · $480k · revenue +46%
Fairleigh Dickinson University2× · 2023–2024 · $350k · revenue +9%- CCCONNECTICUT COLLEGE6× · 2020–2025 · $268k · revenue +22%
Funded once
Foxcroft Schoolgraduatedone grant, 2024 · $375k · revenue +50%- PDPRINCETON DAY SCHOOL - CAPITAL CAMPAIGNone grant, 2020 · $167k
- PUPRINCETON UNIVERSITY ADVANCEMENTone grant, 2024 · $29k
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.
To educate students to be ethical and socially responsible leaders in a global community.
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.
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…
The bac is committed to provide excellence in design education grounded in practice and accessible to diverse communities.
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…
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.
The institute for advanced study (the institute) is one of the world's leading centers for theoretical research and intellectual inquiry. see schedule o.
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.
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.
Wilson college empowers students to be confident and critical thinkers, creative visionaries, effective communicators, honorable leaders, and agents of justice.
The museum's mission statement is: "to discover, interpret, and disseminate - through scientific research and education - knowledge about human cultures, the natural world, and the universe."
The primary mission of furman as a liberal arts institution is to provide a distinctive education in fine arts, humanities, social sciences, mathematics and the sciences, as well as selected professional disciplines.
For reference, the grantee most central to the portfolio’s shape is New York Landmarks Conservancy Inc and the most unlike its peers is Glenada Casino Foundation Inc. 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 46 years old; the field is 16. You back the established end — and your money leans older still.
The field is 22% startups (under 5 years old) — 3% of your grantees by number, and just 0% of your money.
The orgs you fund almost never close — 1% lost their exemption, against 13% 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.
70 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. 70 of the 103 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 ALLEN-CHASE FOUNDATION DBA EAGLEBROOK SCHOOL ↗
- Who funds Foxcroft School ↗
- Who funds Fairleigh Dickinson University ↗
- Who funds CONNECTICUT COLLEGE ↗
- Who funds TRUSTEES OF THE LAWRENCEVILLE SCHOOL ↗
- Who funds PRINCETON DAY SCHOOL INC ↗
- Who funds The Trustees of Princeton University ↗
- Who funds THE COLLEGE FOUNDATION OF THE UNIVERSITY OF VIRGINIA ↗
- Who funds WOMEN'S COLLEGE CLUB OF PRINCETON ↗
- Who funds New Jersey Audubon Society ↗
- Who funds WESTERN COLLEGE ALUMNAE ASSOCIATION INC ↗
- Who funds THE WINDWARD SCHOOL ↗
- Who funds Miami University Foundation ↗
- Who funds AMISTAD MISSION INC ↗
- Who funds INTERLOCHEN CENTER FOR THE ARTS ↗
- Who funds DUBLIN SCHOOL INC ↗
- Who funds ST PAUL'S SCHOOL ↗
- Who funds MOTE MARINE LABORATORY INC ↗
- Who funds MCCARTER THEATRE COMPANY ↗
- Who funds SANDY HOOK PROMISE FOUNDATION ↗
- Who funds Moosilauke Visions Inc ↗
- Who funds KIND INC ↗
- Who funds MILL REEF FUND ↗
- Who funds NANTUCKET CONSERVATION FOUNDATION INC ↗
- Who funds DREW UNIVERSITY ↗
- Who funds Kieve Wavus Education Inc ↗
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 Griffin-Cole Fund · The Goldman Sachs Charitable Gift Fund · Bristol-Myers Squibb Foundation Inc · Princeton Area Community Foundation Inc · Pheasant Hill Foundation Inc · Educational Ventures Inc · Curtis W McGraw Foundation · The J Robert & Barbara A Hillier Foundation Inc · The Frank J Ryan and Jane E Ryan Family Foundation · Honey Perkins Family Foundation Inc · The Burke Foundation Inc · The Robert Wood Johnson Foundation
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 Margaret and Marshall Bartlett Family Foundation Inc C/O John Bartlet 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, a single department, or state — and drag the year to watch it move.
- The Trustees of Princeton University — 11% of income from government
- President and Fellows of Harvard College — 7% of income from government
- Arts Council of Princeton — 6% of income from government
- Princeton Symphony Orchestra Inc — 4% of income from government
- Nantucket Conservation Foundation Inc — 4% of income from government
- Mote Marine Laboratory Inc — 4% of income from government
- Freedom House Inc — 4% of income from government
- The Watershed Institute Inc — 3% of income from government
- Fairleigh Dickinson University — 2% of income from government
- New Jersey Audubon Society — 1% of income from government
- Sandy Hook Promise Foundation — 0% of income from government
- Connecticut College — 0% of income from government
- Drew University — 0% 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 Margaret and Marshall Bartlett Family Foundation Inc C/O John Bartlet?
Find your warmest path to Margaret and Marshall Bartlett Family Foundation Inc C/O John Bartlet 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.