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Stephen Dellapietra and Pamela Hurst- Dellapietra Family Foundation Inc at a glance

· Private foundation

Stephen Dellapietra and Pamela Hurst- Dellapietra Family Foundation Inc

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.

$4.1M
Granted FY2024still arriving
13
Grants FY2024still arriving
4
States reached
$1.1M
Largest
01What it fundsRead
02The needRead
03Its granteesRead
04Its fieldRead
05Through PlinthRead
01What it funds
0199% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2024.

Education$7.4MScience & Tech$4.1MInternational$1.1MHealth$642kArts & Culture$479kReligion$300kSocial Science$38kPhilanthropy$15kOther$0
02FY2024 · 13 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2024

  • Under $10k3 grants · $4k
  • $10k–50k1 grant · $25k
  • $50k–250k4 grants · $575k
  • $250k+5 grants · $3.5M
$150,000
Median grant
4
States reached
$80M
Total assets
Largest grants
RecipientAmount
COLD SPRING HARBOR LABORATORY$1,150,000
STONY BROOK FOUNDATION INC$1,000,000
CHILDREN AND SCREENS THE INSTITUTE OF DIGITAL MEDIA AND CHILD DEVELOPMENT$750,000
BERKLEE COLLEGE OF MUSIC INC$295,000
HARVARD UNIVERSITY$260,000
MEMORIAL SLOAN KETTERING CANCER$200,000
PIVOT$150,000
SIMONS LAUFER MATHEMATICAL SCIENCES$115,000
PRINCETON UNIVERSITY$110,000
FRIENDS OF SCIENCE EAST DBA TESLA SCIENCE CENTER AT WARDENCLYFFE$25,000
THE PUBLIC THEATER$3,000
SEREOLIPI NOMADIC EDUCATION FOUNDATION$500
PLANNED PARENTHOOD$500
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:

Dollar for dollar, its grants (FY17–24) land where the poverty rate runs at 9%, against an area that typically sits at 9%. 42% of its dollars go to grantees based in above-average-need neighborhoods. Its grants spread fairly evenly across need levels.

area typical 9%HARVARD UNIVERSITY: $260k → 8%BERKLEE COLLEGE OF MUSIC INC: $295k → 16%MATHEMATICAL SCIENCES RESEARCH INSTITUTE INC: $115k → 10%THE SCIENCE FESTIVAL FOUNDATION: $53k → 17%CHABAD-LUBAVITCH ON CAMPUS - PRINCETON: $250k → 11%PIVOT: $450k → 16%MATHEMATICAL SCIENCES RESEARCH INSTITUTE INC: $115k → 10%CHILDREN AND SCREENS THE INSTITUTE OF DIGITAL MEDIA AND CHILD DEVELOPMENT: $760k → 6%STONY BROOK FOUNDATION INC: $1.0M → 7%WORLD SCIENCE FOUNDATION: $50k → 17%INSTITUTE FOR ADVANCED STUDY: $63k → 11%PIVOT: $150k → 16%SIMONS LAUFER MATHEMATICAL SCIENCES: $115k → 10%CHILDREN AND SCREENS THE INSTITUTE OF DIGITAL MEDIA AND CHILD DEVELOPMENT: $750k → 6%STONY BROOK FOUNDATION INC: $563k → 7%WORLD SCIENCE FOUNDATION: $50k → 17%INSTITUTE FOR ADVANCED STUDY: $50k → 11%PIVOT: $150k → 16%MATHEMATICAL SCIENCES RESEARCH INSTITUTE INC: $100k → 10%CHILDREN AND SCREENS THE INSTITUTE OF DIGITAL MEDIA AND CHILD DEVELOPMENT: $750k → 6%STONY BROOK FOUNDATION INC: $344k → 7%WORLD SCIENCE FOUNDATION: $50k → 17%CHABAD-LUBAVITCH ON CAMPUS - PRINCETON: $50k → 11%PIVOT: $150k → 16%MATHEMATICAL SCIENCES RESEARCH INSTITUTE INC: $100k → 10%CHILDREN AND SCREENS THE INSTITUTE OF DIGITAL MEDIA AND CHILD DEVELOPMENT: $250k → 6%STONY BROOK FOUNDATION INC: $163k → 7%WORLD SCIENCE FOUNDATION: $50k → 17%PRINCETON UNIVERSITY: $1.0M → 11%PIVOT: $150k → 16%MATHEMATICAL SCIENCES RESEARCH INSTITUTE INC: $100k → 10%CHILDREN AND SCREENS THE INSTITUTE OF DIGITAL MEDIA AND CHILD DEVELOPMENT: $250k → 6%STONY BROOK FOUNDATION INC: $51k → 7%PRINCETON UNIVERSITY: $1.0M → 11%MATHEMATICAL SCIENCES RESEARCH INSTITUTE INC: $100k → 10%CHILDREN AND SCREENS THE INSTITUTE OF DIGITAL MEDIA AND CHILD DEVELOPMENT: $250k → 6%PRINCETON UNIVERSITY: $110k → 11%PRINCETON UNIVERSITY: $101k → 11%COLD SPRING HARBOR LABORATORY: $1.1M → 7%COLD SPRING HARBOR LABORATORY: $1.1M → 7%COLD SPRING HARBOR LABORATORY: $150k → 7%COLD SPRING HARBOR LABORATORY: $100k → 7%MEMORIAL SLOAN KETTERING CANCER: $200k → 17%MEMORIAL SLOAN KETTERING CANCER: $83k → 17%MEMORIAL SLOAN KETTERING CANCER: $83k → 17%MEMORIAL SLOAN KETTERING CANCER: $83k → 17%MEMORIAL SLOAN KETTERING CANCER: $83k → 17%MEMORIAL SLOAN KETTERING CANCER: $83k → 17%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

NH
MN
NY
MA
PA
NJ
CT
CA
CO
MO
DE
DC
GA
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.

96%of every dollar goes to organizations it has funded before.
$13M · 15 repeat orgs$524k to everyone else

15 repeat relationships: 9 still active in FY2024, 6 since wound down; 3 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

15
31

Total granted

$13M
$203k

Median revenue growth · since first grant

+33%
+37%

Still filing today

73%
65%

New vs renewed · share of each year

In FY2024, 92% of grant dollars renewed an existing relationship; $321k went to new ones.

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

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

’17’19’20’21’22’23’24
Arts & CultureScience & TechEducationInternationalEnvironmentHealthOther
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

  • CS
    COLD SPRING HARBOR LABORATORY
    7× · 2017–2024 · $2.6M · revenue +9%
  • The Trustees of Princeton University
    7× · 2017–2024 · $2.3M · revenue +5%
  • SB
    STONY BROOK FOUNDATION INC
    6× · 2017–2024 · $2.2M · revenue +224%

Funded once

  • TS
    THE SCIENCE FESTIVAL FOUNDATION
    one grant, 2017 · $53k
  • AK
    AL KHWARIZMI NOETHER INSTITUTE
    one grant, 2017 · $38k
  • AMERICAN NEAR EAST REFUGEE AIDgraduated
    one grant, 2020 · $30k · revenue +76%
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
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
2
United States Naval Institute

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.

—
3
American Museum of Natural History

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."

Arts & Culture
4
Manhattanville University

To educate students to be ethical and socially responsible leaders in a global community.

Education
5
New York Genome Center Inc

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.

Health
6
Stony Brook Internists University Faculty Practice Corporation

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
7
Neurology Associates of Stony Brook University Faculty Practice Corp

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
8
Stony Brook Surgical Associates University Faculty Practice Corporation

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
9
Peter G Peterson Institute for International Economics

The peterson institute for international economics (piie) is an independent nonprofit, nonpartisan research organization dedicated to strengthening prosperity and human welfare in the global economy through expert analysis and practical…

Social Science
10
University of New Haven

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…

Education
11
American Association for the Advancement of Science

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,…

Science & Tech
12
Stony Brook Ophthalmology University Faculty Practice Corporation

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
How this is measured
The grantee most central to the portfolio’s shape is World Science Foundation; the most unlike its peers is Sigmacamp 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

35 grantees tracked through their own filings, 2017–2026.

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 2026, not grant rows in a single year, so this will not match the grant count on the cover. 35 of the 51 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)
10
Early backer (in before they grew)
35/35
Grantees still filing
25/35
Grew since first funded

Where the money sits, by cause and then by grantee

The Trustees of Princeton University: $2,281,050 · EducationThe Trustees of Princeton UniversitySTONY BROOK FOUNDATION INC: $2,152,910 · EducationSTONY BROOK FOUNDATION INCBERKLEE COLLEGE OF MUSIC INC: $295,000 · EducationBERKLEE COLLEGE OF MUSIC INCPresident and Fellows of Harvard College: $260,000 · Education+2 more: $350 · EducationCHILDREN AND SCREENS THE INSTITUTE OF DIGITAL MEDIA AND CHILD DEVELOPMENT: $3,010,000 · OtherCHILDREN AND SCREENS THE INSTITUT…MEMORIAL SLOAN KETTERING CANCER: $615,000 · OtherMEMORIAL SLOAN KETTERING CANCERCHABAD LUBAVITCH ON CAMPUS- PRINCETON: $300,000 · OtherCHABAD LUBAVITCH ON CAMPUS- PRINC…+21 more: $181,403 · OtherCOLD SPRING HARBOR LABORATORY: $2,640,000 · Science & TechCOLD SPRING HARBOR LABORATORYSIMONS LAUFER MATHEMATICAL SCIENCES INSTITUTE: $745,000 · Science & TechSIMONS LAUFER MATHEMATICAL SC…WORLD SCIENCE FOUNDATION: $200,000 · Science & TechWORLD SCIENCE FOUNDATION+3 more: $132,500 · Science & TechPIVOT WORKS INC: $1,050,000 · International+3 more: $30,600 · InternationalNATIONAL MUSEUM OF MATHEMATICS: $157,514 · Arts & CultureNEW YORK SHAKESPEARE FESTIVAL: $8,000 · Arts & Culture+5 more: $2,205 · Arts & CultureSARASOTA MEMORIAL HEALTHCARE FOUNDATION INC: $10,000 · HealthCEREBRAL PALSY FOUNDATION INC: $500 · HealthLI YOUTH DEVELOPMENT INC: $5,200 · PhilanthropyTHE BRONX COMMUNITY FOUNDATION INC: $5,000 · Philanthropy
Education$4,989,310Other$4,106,403Science & Tech$3,717,500International$1,080,600Arts & Culture$167,719Health$10,500Philanthropy$10,200

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetCOLD SPRING HARBOR LABORATORY: $2,640,000 over 7y, 0.5% of budgetThe Trustees of Princeton University: $2,281,050 over 7y, 0.0% of budgetSTONY BROOK FOUNDATION INC: $2,152,910 over 6y, 0.7% of budgetPIVOT WORKS INC: $1,050,000 over 5y, 3.9% of budgetSIMONS LAUFER MATHEMATICAL SCIENCES INSTITUTE: $745,000 over 7y, 1.1% of budgetBERKLEE COLLEGE OF MUSIC INC: $295,000 over 1y, 0.1% of budgetPresident and Fellows of Harvard College: $260,000 over 1y, 0.0% of budgetWORLD SCIENCE FOUNDATION: $200,000 over 4y, 1.1% of budgetNATIONAL MUSEUM OF MATHEMATICS: $157,514 over 5y, 0.6% of budgetINSTITUTE FOR ADVANCED STUDY - LOUIS BAMBERGER & MRS FELIX FULD FOUNDATION: $112,500 over 2y, 0.2% of budgetAMERICAN NEAR EAST REFUGEE AID: $30,000 over 1y, 0.0% of budgetCenter for Humane Technology: $10,000 over 1y, 0.4% of budgetSARASOTA MEMORIAL HEALTHCARE FOUNDATION INC: $10,000 over 1y, 0.0% of budgetRonald McDonald House Charities New York Metro Inc: $10,000 over 1y, 0.1% of budgetNATIONAL ACADEMY OF SCIENCES: $10,000 over 1y, 0.0% of budgetNEW YORK SHAKESPEARE FESTIVAL: $8,000 over 3y, 0.0% of budgetLI YOUTH DEVELOPMENT INC: $5,200 over 2y, 11% of budgetSIGMACAMP INC: $5,000 over 1y, 6.1% of budgetTHE BRONX COMMUNITY FOUNDATION INC: $5,000 over 1y, 0.2% of budgetSTAGES ST LOUIS: $1,500 over 1y, 0.0% of budgetTHE WARD MELVILLE HERITAGE ORGANIZATION LTD: $955 over 2y, 0.1% of budgetCITY PARKS FOUNDATION INC: $500 over 1y, 0.0% of budgetCEREBRAL PALSY FOUNDATION INC: $500 over 1y, 0.0% of budgetSEREOLIPI NOMADIC EDUCATION FOUNDATION INC: $500 over 1y, 0.1% of budgetUNIQUE PROJECTS INC: $500 over 1y, 0.1% of budgetARTS IGNITE INC: $250 over 1y, 0.0% of budgetCHILDREN & NATURE NETWORK: $250 over 1y, 0.0% of budgetGALLERY NORTH INC: $250 over 1y, 0.1% of budgetMAGICAL MUSIC FOR LIFE FOUNDATION INC: $250 over 1y, 0.5% of budgetBEDFORD 2030 INC: $100 over 1y, 0.0% of budgetGLOBAL GOODS PARTNERS INC: $100 over 1y, 0.0% of budgetNEXT GENERATION CHOICES FOUNDATION: $100 over 1y, 0.1% of budgetSALTAIRE VOLUNTEER FIRE COMPANY INC: $100 over 1y, 0.1% of budgetRAINFOREST FOUNDATION INC: $100 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.

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.

Jewish Communal FundThe Allen & Eve Found…The Pittman Family Fo…Jewish Community Fede…The Ford FoundationThe Goldman Sachs Cha…National Philanthropi…The San Francisco Fou…Morgan Stanley Global…Vanguard Charitable E…Silicon Valley Commun…Gs Donor Advised Phil…
Jewish Communal FundNY18.4× affinity10 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Jewish Communal Fund · The Allen & Eve Foundation Inc · The Pittman Family Foundation · Jewish Community Federation of San Francisco the Peninsula Marin & Sonoma · The Ford Foundation · The Goldman Sachs Charitable Gift Fund · National Philanthropic Trust · The San Francisco Foundation · Morgan Stanley Global Impact Funding Trust Inc · Vanguard Charitable Endowment Program · Silicon Valley Community Foundation · Gs Donor Advised Philanthropy Fund for Wealth Management Inc

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 Stephen Dellapietra and Pamela Hurst- Dellapietra Family Foundation Inc funds: left to right is the share of its income from government, bottom to top the share from Stephen Dellapietra and Pamela Hurst- Dellapietra Family Foundation Inc. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 30%1%4%8%15%funder's share of their income ↑0%19%38%56%75%share of the org’s income from government →median 7%
  • The Trustees of Princeton University: 11% of income from government
  • Institute for Advanced Study - Louis Bamberger & Mrs Felix Fuld Foundation: 7% of income from government
  • President and Fellows of Harvard College: 7% of income from government
  • Berklee College of Music Inc: 1% of income from government
no gov moneyreceives it· size = income
3get no government money at all
7report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–75%
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 Stephen Dellapietra and Pamela Hurst- Dellapietra Family Foundation Inc?

Find your warmest path to Stephen Dellapietra and Pamela Hurst- Dellapietra Family 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.

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 51 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 2024, released 2024. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

Play a game based on Stephen Dellapietra and Pamela Hurst- Dellapietra Family’s filings →

More from the funding graph

The unnamed billions
grants reported with no recipient in the public record
The regranting layer
51% of grant dollars land in the regranting layer
The DAF merry-go-round
$9.7B circulates between donor-advised funds
The endowment market
who holds foundation money, and what just moved
The camps
funders cluster by geography, not ideology
By state
where grant money is based, and what stays home