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· Private foundation

The Hartwell Foundation Corporation

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.

$4.0M
Granted FY2025still arriving
14
Grants FY2025still arriving
10
States reached
$1.0M
Largest
01What it funds
01100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.

Education$9.5MHealth$5.3MHuman Services$2.6MPublic Safety & Disaster$2.2MYouth Development$800kRecreation & Sports$750kPhilanthropy$300kInternational$250kOther$0
02FY2025 · 14 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • $50k–250k11 grants · $1.1M
  • $250k+3 grants · $2.9M
$125,000
Median grant
10
States reached
$72M
Total assets
Largest grants
RecipientAmount
THE SALVATION ARMY$1,000,000
MERCY CHEFS$1,000,000
TRAGEDY ASSISTANCE PROGRAM$900,000
UNIVERSITY OF PENNSYLVANIA$200,000
CORNELL UNIVERSITY$150,000
REGENTS OF UNIVERSITY OF CA$150,000
AMI KIDS$125,000
UNIVERSITY OF WISCONSIN$100,000
YALE UNIVERSITY$100,000
DUKE UNIVERSITY$100,000
BOSTON UNIVERSITY$50,000
JOHN HOPKINS UNIVERSITY$50,000
UNIVERSITY OF CA SAN DIEGO$50,000
DREXEL UNIVERSITY$50,000
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 (FY19–25, $1.1M) land where the poverty rate runs at 20%, against an area that typically sits at 11%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 11%Boys Republic: $4k → 14%MULTIPLI INTERNATIONAL: $50k → 14%MERCY CHEFS: $1.0M → 20%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.

Which US states its grants reach

WA
MN
IL
WI
MI
NY
MA
OH
PA
CT
CA
VA
MD
AR
TN
NC
TX
FL
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.

92%of every dollar goes to organizations it has funded before.
$19M · 27 repeat orgs$1.7M to everyone else

Grantees it renews have grown median revenue +50% since the first grant, against +32% for those funded once.

27 repeat relationships: 11 still active in FY2025, 16 since wound down; 2 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

27
9

Total granted

$19M
$625k

Median revenue growth · since first grant

+50%
+32%

Still filing today

56%
44%

New vs renewed · share of each year

In FY2025, 73% of grant dollars renewed an existing relationship; $1.1M went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

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

’17’18’19’20’21’22’23’24’25
EducationHuman ServicesHealthRecreation & SportsPhilanthropyArts & CultureOther
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

  • TA
    TRAGEDY ASSISTANCE PROGRAM FOR SURVIVORS INC
    9× · 2017–2025 · $6.0M · revenue +75%
  • DUKE UNIVERSITY
    9× · 2017–2025 · $900k · revenue +51%
  • Cornell University
    7× · 2017–2025 · $750k · revenue +59%

Funded once

  • CI
    Cross International Inc
    one grant, 2022 · $250k · revenue +8%
  • MU
    MEMPHIS UNIVERSITY
    one grant, 2022 · $110k
  • US
    UT Southwestern Medical Center
    one grant, 2018 · $50k
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
Trustees of Dartmouth College

Dartmouth College educates the most promising students and prepares them for a lifetime of learning and of responsible leadership, through a faculty dedicated to teaching and the creation of knowledge.

Education
2
Massachusetts Institute of Technology

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.

Education
3
Lehigh University

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…

Education
4
Western New England University

Western new england university, a comprehensive private institution with a tradition of excellence in teaching and scholarship and a commitment to service, awards undergraduate, master's, and doctoral degrees in various departments from…

Education
5
University of Miami

See Form 990, Part I, Line 1, Description of Organization Mission.

Education
6
The Board of Trustees of the Leland Stanford Junior University

Stanford university is one of a select group of american universities that have achieved eminence in both undergraduate and graduate education and research - cont'd sch o.

Education
7
New York University

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.

Education
8
University of Southern California

The central mission of the university of southern california is the development of human beings and society as a whole through the cultivation and enrichment of the human mind and spirit. the principal means by which our mission is…

Education
9
Trustees of Tufts College

Education and Research

Education
10
Trustees of Boston College

Mission strengthened by more than a century and a half of dedication to academic excellence, boston college commits itself to the highest standards of teaching and research in undergraduate, graduate and professional programs and to the…

Education
11
Bentley University

Organization's mission bentley university believes good business can impact more than the bottom line - it can change the world. bentley is a community of future business leaders who will deliver value in the marketplace and lasting…

Education
12
Washington University

The washington university is a co-educational, nondenominational university with a long and distinguished history of teaching, research and (cont'd on schedule o)

Education
How this is measured
The grantee most central to the portfolio’s shape is Northwestern University; the most unlike its peers is Tragedy Assistance Program for Survivors 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

22 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. 22 of the 39 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)
3
Early backer (in before they grew)
21/22
Grantees still filing
21/22
Grew since first funded

Where the money sits, by cause and then by grantee

The Salvation Army: $2,000,000 · OtherThe Salvation ArmyREGENTS OF UNIVERSITY OF CA: $1,100,000 · OtherREGENTS OF UNIVERSITY OF CAAMI Kids: $971,000 · OtherAMI KidsThe John Hopkins University: $950,000 · OtherThe John Hopkins UniversityFRED HUTCHINSON CANCER RESEARCH CENTER: $600,000 · OtherFRED HUTCHINSON CANCER RESEARCH CENTERUniversity of Virginia: $500,000 · OtherUniversity of VirginiaUNIVERSITY OF WISCONSIN: $450,000 · OtherUNIVERSITY OF WISCONSINUNIVERSITY OF TEXAS: $300,000 · OtherYALE UNIVERSITY: $300,000 · OtherTRUSTEES OF BOSTON UNIVERSITY: $300,000 · Other+10 more: $951,722 · Other+10 moreTRAGEDY ASSISTANCE PROGRAM FOR SURVIVORS INC: $5,990,660 · HealthTRAGEDY ASSISTANCE PROGRAM FOR …+1 more: $50,000 · HealthDUKE UNIVERSITY: $900,000 · EducationDUKE UNIVERSITYTRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA: $800,000 · EducationTRUSTEES OF THE UNIVERSIT…Cornell University: $750,000 · EducationCornell UniversityCASE WESTERN RESERVE UNIVERSITY: $600,000 · EducationCASE WESTERN RESERVE UNIV…DREXEL UNIVERSITY: $550,000 · EducationDREXEL UNIVERSITYMEMPHIS UNIVERSITY SCHOOL: $440,000 · EducationMEMPHIS UNIVERSITY SCHOOLUNIVERSITY OF WISCONSIN FOUNDATION: $400,000 · EducationUNIVERSITY OF WISCONSIN F…+3 more: $371,015 · Education+3 moreMERCY CHEFS INC: $1,000,000 · Human ServicesMULTIPLI INTERNATIONAL INC: $50,000 · Human Services+1 more: $3,822 · Human ServicesNorthwestern University: $750,000 · Recreation & SportsLAND OF THE FREE FOUNDATION: $300,000 · PhilanthropyCross International Inc: $250,000 · ReligionHobart Shakespeareans: $80,000 · Arts & Culture
Other$8,422,722Health$6,040,660Education$4,811,015Human Services$1,053,822Recreation & Sports$750,000Philanthropy$300,000Religion$250,000Arts & Culture$80,000

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 budgetTRAGEDY ASSISTANCE PROGRAM FOR SURVIVORS INC: $5,990,660 over 9y, 7.0% of budgetDUKE UNIVERSITY: $900,000 over 9y, 0.0% of budgetTRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA: $800,000 over 8y, 0.0% of budgetCornell University: $750,000 over 7y, 0.0% of budgetNorthwestern University: $750,000 over 7y, 0.0% of budgetCASE WESTERN RESERVE UNIVERSITY: $600,000 over 7y, 0.0% of budgetFRED HUTCHINSON CANCER RESEARCH CENTER: $600,000 over 6y, 0.0% of budgetDREXEL UNIVERSITY: $550,000 over 8y, 0.0% of budgetMEMPHIS UNIVERSITY SCHOOL: $440,000 over 4y, 0.6% of budgetUNIVERSITY OF WISCONSIN FOUNDATION: $400,000 over 2y, 0.1% of budgetLAND OF THE FREE FOUNDATION: $300,000 over 2y, 17% of budgetTRUSTEES OF BOSTON UNIVERSITY: $300,000 over 4y, 0.0% of budgetWAYLAND ACADEMY: $144,356 over 5y, 0.7% of budgetAVON OLD FARMS SCHOOL INC: $126,659 over 3y, 0.1% of budgetUNIVERSITY OF MINNESOTA FOUNDATION: $100,000 over 2y, 0.0% of budgetHobart Shakespeareans: $80,000 over 2y, 17% of budgetST JUDE CHILDREN'S RESEARCH HOSPITAL INC: $50,000 over 1y, 0.0% of budgetMULTIPLI INTERNATIONAL INC: $50,000 over 1y, 15% of budgetST MARY'S EPISCOPAL SCHOOL: $30,325 over 2y, 0.1% of budgetBoys Republic: $3,822 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.

  • Who funds TRAGEDY ASSISTANCE PROGRAM FOR SURVIVORS INC ↗
  • Who funds MERCY CHEFS INC ↗
  • Who funds DUKE UNIVERSITY ↗
  • Who funds TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA ↗
  • Who funds Cornell University ↗
  • Who funds Northwestern University ↗
  • Who funds CASE WESTERN RESERVE UNIVERSITY ↗
  • Who funds FRED HUTCHINSON CANCER RESEARCH CENTER ↗
  • Who funds DREXEL UNIVERSITY ↗
  • Who funds MEMPHIS UNIVERSITY SCHOOL ↗
  • Who funds UNIVERSITY OF WISCONSIN FOUNDATION ↗
  • Who funds LAND OF THE FREE FOUNDATION ↗
  • Who funds TRUSTEES OF BOSTON UNIVERSITY ↗
  • Who funds Cross International Inc ↗
  • Who funds WAYLAND ACADEMY ↗
  • Who funds AVON OLD FARMS SCHOOL INC ↗
  • Who funds UNIVERSITY OF MINNESOTA FOUNDATION ↗
  • Who funds Hobart Shakespeareans ↗
  • Who funds ST JUDE CHILDREN'S RESEARCH HOSPITAL INC ↗
  • Who funds MULTIPLI INTERNATIONAL INC ↗
  • Who funds ST MARY'S EPISCOPAL SCHOOL ↗
  • Who funds Boys Republic ↗

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 Philanthropic TrustPA8.3× affinity4 shared granteesties to 6 of 6Hover any node to trace its alignments.Compare side by side →

Open a dossier: National Philanthropic Trust · The Bank of America Charitable Foundation Inc · Vanguard Charitable Endowment Program · 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 The Hartwell Foundation Corporation funds: left to right is the share of its income from government, bottom to top the share from The Hartwell Foundation Corporation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 00%1%5%11%20%funder's share of their income ↑0%25%50%75%100%share of the org’s income from government →median 12%
  • Trustees of Boston University: 12% of income from government
no gov moneyreceives it· size = income
0get no government money at all
4report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
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.
05Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to The Hartwell Foundation Corporation?

Find your warmest path to The Hartwell Foundation Corporation 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.

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 39 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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