Grants paid by Stephen Dellapietra and Pamela Hurst- Dellapietra Family Foundation Inc
EIN 46-4352404 · Jericho, NY · Form 990-PF, Part XV · NTEE Z99
Stephen Dellapietra and Pamela Hurst- Dellapietra Family Foundation Inc of Jericho, NY (EIN 46-4352404) reported 75 grants paid totaling $14,077,960 to 32 recipients in tax years 2020–2024, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$14,077,960
75 grants
Recipients
32
distinct organizations
Tax years
2020–2024
6 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2020 | 12 | $1,342,425 | — |
| 2021 | 22 | $3,604,000 | — |
| 2022 | 15 | $2,438,500 | — |
| 2023 | 13 | $2,634,035 | — |
| 2024 | 13 | $4,059,000 | — |
Top recipients
The 32 recipients receiving the most from Stephen Dellapietra and Pamela Hurst- Dellapietra Family Foundation Inc, by grants paid, out of 32 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Princeton University 21-0634501 | C | Princeton, NJ | 6 | $3,165,000 | 2024 |
| Children and Screens the Institute of Digital Media and Child Development | U | Jericho, NY | 6 | $3,010,000 | 2024 |
| Cold Spring Harbor Laboratory 11-2013303 | B | Cold Spring Harbor, NY | 6 | $2,680,000 | 2024 |
| Stony Brook Foundation Inc 11-6077945 | C | Stony Brook, NY | 4 | $1,557,260 | 2024 |
| Pivot 33-1319576 | D | Boston, MA | 5 | $1,050,000 | 2024 |
| Memorial Sloan Kettering Cancer | U | New York, NY | 6 | $615,000 | 2024 |
| Mathematical Sciences Research Institute Inc 52-2450490 | D | Berkeley, CA | 5 | $530,000 | 2023 |
| Chabad-Lubavitch On Campus - Princeton 05-0576386 | B | Princeton, NJ | 2 | $300,000 | 2023 |
| Berklee College of Music Inc 04-2300472 | B | Boston, MA | 1 | $295,000 | 2024 |
| Harvard University 04-3009105 | C | Cambridge, MA | 1 | $260,000 | 2024 |
| World Science Foundation 43-2095418 | B | New York, NY | 4 | $200,000 | 2023 |
| National Museum of Mathematics 27-1450809 | C | New York, NY | 4 | $130,000 | 2022 |
| Simons Laufer Mathematical Sciences 94-2650833 | C | Berkeley, CA | 1 | $115,000 | 2024 |
| American Near East Refugee Aid 52-0882226 | B | Washington, DC | 1 | $30,000 | 2020 |
| Tamil Sangams of North America | U | Coppell, TX | 2 | $25,000 | 2021 |
| Friends of Science East DBA Tesla Science Center at Wardenclyffe | U | Shoreham, NY | 1 | $25,000 | 2024 |
| Sarasota Memorial Healthcare Foundation 51-0188568 | B | Sarasota, FL | 2 | $20,000 | 2021 |
| Planned Parenthood | U | Smithtown, NY | 2 | $15,500 | 2024 |
| Mcdonald House Charities New York Metro | U | Queens, NY | 1 | $10,000 | 2023 |
| Center for Humane Technology 82-3492182 | B | San Francisco, CA | 1 | $10,000 | 2022 |
| Wilmington Savings Fund Society | U | Wilmington, DE | 1 | $10,000 | 2022 |
| Li Youth Development Inc 87-1504409 | B | East Setauket, NY | 2 | $5,200 | 2023 |
| The Bronx Foundation Inc 81-4237999 | B | Bronx, NY | 1 | $5,000 | 2022 |
| Sigma Camp 46-2782877 | C | East Setauket, NY | 1 | $5,000 | 2020 |
| Stages St Louis 43-1434156 | B | Chesterfield, MO | 2 | $3,000 | 2021 |
| The Public Theater | U | New York, NY | 1 | $3,000 | 2024 |
| Tvcsd | U | East Setauket, NY | 1 | $2,000 | 2023 |
| Ohmtec | U | Doylestown, PA | 1 | $500 | 2023 |
| Sereolipi Nomadic Education Foundation 41-2189604 | B | New York, NY | 1 | $500 | 2024 |
| World Gym Community 81-5255570 | B | East Setauket, NY | 1 | $500 | 2022 |
| Artists Striving to End Poverty | U | New York, NY | 1 | $250 | 2020 |
| The Children and Nature Network 14-1959018 | B | Saint Paul, MN | 1 | $250 | 2020 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 75 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2024 | Cold Spring Harbor Laboratory Cold Spring Harbor, NY | B | $1,150,000 | paid | CHARITABLE CONTRIBUTION | 202513109349100011 |
| 2024 | Stony Brook Foundation Inc Stony Brook, NY | C | $1,000,000 | paid | CHARITABLE CONTRIBUTION | 202513109349100011 |
| 2024 | Children and Screens the Institute of Digital Media and Child Development Jericho, NY | U | $750,000 | paid | CHARITABLE CONTRIBUTION | 202513109349100011 |
| 2024 | Berklee College of Music Inc Boston, MA | B | $295,000 | paid | CHARITABLE CONTRIBUTION | 202513109349100011 |
| 2024 | Harvard University Cambridge, MA | C | $260,000 | paid | CHARITABLE CONTRIBUTION | 202513109349100011 |
| 2024 | Memorial Sloan Kettering Cancer New York, NY | U | $200,000 | paid | CHARITABLE CONTRIBUTION | 202513109349100011 |
| 2024 | Pivot Boston, MA | D | $150,000 | paid | CHARITABLE CONTRIBUTION | 202513109349100011 |
| 2024 | Simons Laufer Mathematical Sciences Berkeley, CA | C | $115,000 | paid | CHARITABLE CONTRIBUTION | 202513109349100011 |
| 2024 | Princeton University Princeton, NJ | C | $110,000 | paid | CHARITABLE CONTRIBUTION | 202513109349100011 |
| 2024 | Friends of Science East DBA Tesla Science Center at Wardenclyffe Shoreham, NY | U | $25,000 | paid | CHARITABLE CONTRIBUTION | 202513109349100011 |
| 2024 | The Public Theater New York, NY | U | $3,000 | paid | CHARITABLE CONTRIBUTION | 202513109349100011 |
| 2024 | Sereolipi Nomadic Education Foundation New York, NY | B | $500 | paid | CHARITABLE CONTRIBUTION | 202513109349100011 |
| 2024 | Planned Parenthood Smithtown, NY | U | $500 | paid | CHARITABLE CONTRIBUTION | 202513109349100011 |
| 2023 | Cold Spring Harbor Laboratory Cold Spring Harbor, NY | B | $1,150,000 | paid | CHARITABLE CONTRIBUTION | 202413209349105741 |
| 2023 | Children and Screens the Institute of Digital Media and Child Development Jericho, NY | U | $760,000 | paid | CHARITABLE CONTRIBUTION | 202413209349105741 |
| 2023 | Chabad-Lubavitch On Campus - Princeton Princeton, NJ | B | $250,000 | paid | CHARITABLE CONTRIBUTION | 202413209349105741 |
| 2023 | Pivot Boston, MA | D | $150,000 | paid | CHARITABLE CONTRIBUTION | 202413209349105741 |
| 2023 | Mathematical Sciences Research Institute Inc Berkeley, CA | D | $115,000 | paid | CHARITABLE CONTRIBUTION | 202413209349105741 |
| 2023 | Memorial Sloan Kettering Cancer New York, NY | U | $83,000 | paid | CHARITABLE CONTRIBUTION | 202413209349105741 |
| 2023 | Stony Brook Foundation Inc Stony Brook, NY | C | $50,835 | paid | CHARITABLE CONTRIBUTION | 202413209349105741 |
| 2023 | World Science Foundation New York, NY | B | $50,000 | paid | CHARITABLE CONTRIBUTION | 202413209349105741 |
| 2023 | Princeton University Princeton, NJ | C | $10,000 | paid | CHARITABLE CONTRIBUTION | 202413209349105741 |
| 2023 | Mcdonald House Charities New York Metro Queens, NY | U | $10,000 | paid | CHARITABLE CONTRIBUTION | 202413209349105741 |
| 2023 | Li Youth Development Inc East Setauket, NY | B | $2,700 | paid | CHARITABLE CONTRIBUTION | 202413209349105741 |
| 2023 | Tvcsd East Setauket, NY | U | $2,000 | paid | CHARITABLE CONTRIBUTION | 202413209349105741 |
| 2023 | Ohmtec Doylestown, PA | U | $500 | paid | CHARITABLE CONTRIBUTION | 202413209349105741 |
| 2022 | Princeton University Princeton, NJ | C | $1,000,000 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | Children and Screens the Institute of Digital Media and Child Development Jericho, NY | U | $750,000 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | Stony Brook Foundation Inc Stony Brook, NY | C | $162,500 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | Cold Spring Harbor Laboratory Cold Spring Harbor, NY | B | $150,000 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | Mathematical Sciences Research Institute Inc Berkeley, CA | D | $115,000 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | Memorial Sloan Kettering Cancer New York, NY | U | $83,000 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | World Science Foundation New York, NY | B | $50,000 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | Chabad-Lubavitch On Campus - Princeton Princeton, NJ | B | $50,000 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | National Museum of Mathematics New York, NY | C | $35,000 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | Planned Parenthood Smithtown, NY | U | $15,000 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | Wilmington Savings Fund Society Wilmington, DE | U | $10,000 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | Center for Humane Technology San Francisco, CA | B | $10,000 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | The Bronx Foundation Inc Bronx, NY | B | $5,000 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | Li Youth Development Inc East Setauket, NY | B | $2,500 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2022 | World Gym Community East Setauket, NY | B | $500 | paid | CHARITABLE CONTRIBUTION | 202311329349103196 |
| 2021 | Princeton University Princeton, NJ | C | $1,010,000 | paid | CHARITABLE CONTRIBUTION | 202403319349100500 |
| 2021 | Princeton University Princeton, NJ | C | $1,010,000 | paid | CHARITABLE CONTRIBUTION | 202221339349102947 |
| 2021 | Children and Screens the Institute of Digital Media and Child Development Jericho, NY | U | $250,000 | paid | CHARITABLE CONTRIBUTION | 202403319349100500 |
| 2021 | Children and Screens the Institute of Digital Media and Child Development Jericho, NY | U | $250,000 | paid | CHARITABLE CONTRIBUTION | 202221339349102947 |
| 2021 | Pivot Boston, MA | D | $150,000 | paid | CHARITABLE CONTRIBUTION | 202221339349102947 |
| 2021 | Pivot Boston, MA | D | $150,000 | paid | CHARITABLE CONTRIBUTION | 202403319349100500 |
| 2021 | Mathematical Sciences Research Institute Inc Berkeley, CA | D | $100,000 | paid | CHARITABLE CONTRIBUTION | 202221339349102947 |
| 2021 | Cold Spring Harbor Laboratory Cold Spring Harbor, NY | B | $100,000 | paid | CHARITABLE CONTRIBUTION | 202403319349100500 |
| 2021 | Cold Spring Harbor Laboratory Cold Spring Harbor, NY | B | $100,000 | paid | CHARITABLE CONTRIBUTION | 202221339349102947 |
| 2021 | Mathematical Sciences Research Institute Inc Berkeley, CA | D | $100,000 | paid | CHARITABLE CONTRIBUTION | 202403319349100500 |
| 2021 | Memorial Sloan Kettering Cancer New York, NY | U | $83,000 | paid | CHARITABLE CONTRIBUTION | 202221339349102947 |
| 2021 | Memorial Sloan Kettering Cancer New York, NY | U | $83,000 | paid | CHARITABLE CONTRIBUTION | 202403319349100500 |
| 2021 | World Science Foundation New York, NY | B | $50,000 | paid | CHARITABLE CONTRIBUTION | 202221339349102947 |
| 2021 | World Science Foundation New York, NY | B | $50,000 | paid | CHARITABLE CONTRIBUTION | 202403319349100500 |
| 2021 | National Museum of Mathematics New York, NY | C | $35,000 | paid | CHARITABLE CONTRIBUTION | 202221339349102947 |
| 2021 | National Museum of Mathematics New York, NY | C | $35,000 | paid | CHARITABLE CONTRIBUTION | 202403319349100500 |
| 2021 | Tamil Sangams of North America Coppell, TX | U | $12,500 | paid | CHARITABLE CONTRIBUTION | 202221339349102947 |
| 2021 | Tamil Sangams of North America Coppell, TX | U | $12,500 | paid | CHARITABLE CONTRIBUTION | 202403319349100500 |
| 2021 | Sarasota Memorial Healthcare Foundation Sarasota, FL | B | $10,000 | paid | CHARITABLE CONTRIBUTION | 202403319349100500 |
| 2021 | Sarasota Memorial Healthcare Foundation Sarasota, FL | B | $10,000 | paid | CHARITABLE CONTRIBUTION | 202221339349102947 |
| 2021 | Stages St Louis Chesterfield, MO | B | $1,500 | paid | CHARITABLE CONTRIBUTION | 202221339349102947 |
| 2021 | Stages St Louis Chesterfield, MO | B | $1,500 | paid | CHARITABLE CONTRIBUTION | 202403319349100500 |
| 2020 | Pivot Boston, MA | D | $450,000 | paid | CHARITABLE CONTRIBUTION | 202143199349108979 |
| 2020 | Stony Brook Foundation Inc Stony Brook, NY | C | $343,925 | paid | CHARITABLE CONTRIBUTION | 202143199349108979 |
| 2020 | Children and Screens the Institute of Digital Media and Child Development Jericho, NY | U | $250,000 | paid | CHARITABLE CONTRIBUTION | 202143199349108979 |
| 2020 | Mathematical Sciences Research Institute Inc Berkeley, CA | D | $100,000 | paid | CHARITABLE CONTRIBUTION | 202143199349108979 |
| 2020 | Memorial Sloan Kettering Cancer New York, NY | U | $83,000 | paid | CHARITABLE CONTRIBUTION | 202143199349108979 |
| 2020 | Cold Spring Harbor Laboratory Cold Spring Harbor, NY | B | $30,000 | paid | CHARITABLE CONTRIBUTION | 202143199349108979 |
| 2020 | American Near East Refugee Aid Washington, DC | B | $30,000 | paid | CHARITABLE CONTRIBUTION | 202143199349108979 |
| 2020 | Princeton University Princeton, NJ | C | $25,000 | paid | CHARITABLE CONTRIBUTION | 202143199349108979 |
| 2020 | National Museum of Mathematics New York, NY | C | $25,000 | paid | CHARITABLE CONTRIBUTION | 202143199349108979 |
| 2020 | Sigma Camp East Setauket, NY | C | $5,000 | paid | CHARITABLE CONTRIBUTION | 202143199349108979 |
| 2020 | The Children and Nature Network Saint Paul, MN | B | $250 | paid | CHARITABLE CONTRIBUTION | 202143199349108979 |
| 2020 | Artists Striving to End Poverty New York, NY | U | $250 | paid | CHARITABLE CONTRIBUTION | 202143199349108979 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.2 | 202513109349100011 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202413209349105741 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202311329349103196 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.2 | 202221339349102947 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.2 | 202403319349100500 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202143199349108979 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/464352404.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.