funder-graph › Recipients
Who funds The Clamshell Foundation Inc
EIN 11-3227901 · East Hampton, NY · NTEE C32Z
The Clamshell Foundation Inc of East Hampton, NY (EIN 11-3227901) was named as a grant recipient by 24 funders in 45 grants paid totaling $129,916 in tax years 2018–2025, as reported on the funders' Forms 990-PF and 990 Schedule I. Each edge was resolved to this EIN at the match tier shown. Dataset version 2026.09.0, built 2026-09-03.
Grants received
$129,916
45 grants paid
Funders
24
distinct grantmakers
Tax years
2018–2025
as reported by funders
Funders
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.
Grants
The 45 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Alfred and Harriet Feinman Foundation | Clamshell Foundation East Hampton, NY | B | $5,000 | paid | CHARITABLE | 202621049349100632 |
| 2025 | Irvin Stern Foundation | Clamshell Foundation Inc East Hampton, NY | B | $3,500 | paid | GENERAL SUPPORT | 202620589349100607 |
| 2025 | Bogatin Family Foundation Inc C/O Cbiz Advisors LLC | The Clamshell Foundation East Hampton, NY | B | $250 | paid | COMMUNITY / HEALTH PROGRAM | 202631219349102048 |
| 2025 | Pilzer Foundation Inc | The Clamshell Foundation East Hampton, NY | B | $100 | paid | ENRICH LIVES OF OTHERS BY FOSTERING EDUCATION IN HEALTH, CULTURAL AND ENVIRONMENTAL FIELDS OF ENDEAVOR | 202630819349100103 |
| 2024 | Fidelity Investments Charitable Gift Fund | The Clamshell Foundation Inc East Hampton, NY | A | $11,500 | paid | For grant recipient's exempt purposes | 202521349349310887 |
| 2024 | Alfred and Harriet Feinman Foundation | Clamshell Foundation East Hampton, NY | B | $5,000 | paid | CHARITABLE | 202521969349100607 |
| 2024 | The Reba Judith Sandler Foundation Inc C/O Jay D Rosenbaum Director | Clamshell Foundation Inc East Hampton, NY | B | $3,500 | paid | GENERAL SUPPORT | 202523099349100207 |
| 2024 | Andrew Sabin Family Foundation | The Clamshell Foundation New York, NY | C | $2,500 | paid | TO FURTHER THE ORGANIZATIONS CHARITABLE OBJECTIVES | 202513219349101841 |
| 2024 | Bogatin Family Foundation Inc C/O Cbiz Advisors LLC | The Clamshell Foundation East Hampton, NY | B | $250 | paid | COMMUNITY / HEALTH PROGRAM | 202511229349100546 |
| 2024 | Pilzer Foundation Inc | The Clamshell Foundation East Hampton, NY | B | $100 | paid | ENRICH LIVES OF OTHERS BY FOSTERING EDUCATION IN HEALTH, CULTURAL AND ENVIRONMENTAL FIELDS OF ENDEAVOR | 202520499349100802 |
| 2023 | The Ravi Chopra Foundation Inc | Clamshell Foundation East Hampton, NY | B | $5,000 | paid | GENERAL SUPPORT | 202403179349100420 |
| 2023 | Wunsch Foundation Inc | Clamshell Foundation East Hampton, NY | B | $4,000 | paid | COMMUNITIES | 202423209349105432 |
| 2023 | The Scheerer Family Foundation | The Clamshell Foundation East Hampton, NY | B | $3,000 | paid | TO SUPPORT ORGANIZATIONS INVOLVED WITH HUMAN SERVICES, EDUCATION, AND THE ENVIRONMENT | 202410879349100311 |
| 2023 | Bogatin Family Foundation Inc C/O Cbiz Mhm LLC | The Clamshell Foundation East Hampton, NY | B | $100 | paid | COMMUNITY / HEALTH PROGRAM | 202411279349103301 |
| 2023 | Pilzer Foundation Inc | The Clamshell Foundation East Hampton, NY | B | $100 | paid | ENRICH LIVES OF OTHERS BY FOSTERING EDUCATION IN HEALTH, CULTURAL AND ENVIRONMENTAL FIELDS OF ENDEAVOR | 202401159349101830 |
| 2023 | Amazonsmile Foundation | The Clamshell Foundation Inc East Hampton, NY | B | $57 | paid | GENERAL SUPPORT | 202540919349100629 |
| 2022 | The Randall & Barbara Smith Foundation | The Clamshell Foundation East Hampton, NY | B | $10,000 | paid | UNRESTRICTED GRANT | 202301579349100215 |
| 2022 | Alice Rosenwald Fund C/O Eisner Advisory Group LLC | The Clamshell Foundation East Hampton, NY | B | $10,000 | paid | GENERAL SUPPORT | 202340569349100504 |
| 2022 | Rsf Social Finance Inc | The Clamshell Foundation Inc East Hampton, NY | A | $6,000 | paid | FOR MANDALA GIVES | 202333189349318443 |
| 2022 | The Reba Judith Sandler Foundationinc C/O Jay D Rosenbaum Director | The Clamshell Foundation East Hampton, NY | B | $5,000 | paid | GENERAL SUPPORT | 202420589349100207 |
| 2022 | Andrew Sabin Family Foundation | The Clamshell Foundation New York, NY | C | $5,000 | paid | TO FURTHER THE ORGANIZATIONS CHARITABLE OBJECTIVES | 202303199349105415 |
| 2022 | Wunsch Foundation Inc | Clamshell Foundation East Hampton, NY | B | $3,500 | paid | COMMUNITIES | 202313199349106716 |
| 2022 | Alfred and Harriet Feinman Foundation | Clamshell Foundation East Hampton, NY | B | $2,500 | paid | CHARITABLE | 202330679349101003 |
| 2022 | The Pfizer Foundation Inc | The Clamshell Foundation Inc East Hampton, NY | B | $1,000 | paid | MATCHING GIFTS | 202313079349100411 |
| 2022 | Pilzer Foundation Inc | The Clamshell Foundation East Hampton, NY | B | $100 | paid | ENRICH LIVES OF OTHERS BY FOSTERING EDUCATION IN HEALTH, CULTURAL AND ENVIRONMENTAL FIELDS OF ENDEAVOR | 202322069349100802 |
| 2022 | Bogatin Family Foundation Inc C/O Cbiz Mhm LLC | The Clamshell Foundation East Hampton, NY | B | $100 | paid | COMMUNITY / HEALTH PROGRAM | 202331289349102603 |
| 2022 | Amazonsmile Foundation | The Clamshell Foundation Inc East Hampton, NY | B | $90 | paid | GENERAL SUPPORT | 202313119349100141 |
| 2021 | Jewish Communal Fund | The Clamshell Foundation Inc East Hampton, NY | A | $10,000 | paid | General support | 202240409349300049 |
| 2021 | Alice and Jaclyn Houseknecht Foundation | The Clamshell Foundation East Hampton, NY | B | $5,000 | paid | TO AID THE MISSION TO PARTNER AND PROVIDE FUNDS TO LOCAL GROUPS INCLUDING THE RETREAT, MONTAUK, EAST HAMPTON, AMAGANSETT, SPRINGS & SAG HARBOR FOOD PANTRIES, EAST END CARES, OLA OF EASTERN LONG ISLAND, SOUL GROW AND OLMAN SANABRIA, AMONG OTHERS. | 202211369349101506 |
| 2021 | Alice Rosenwald Fund C/O Eisner Advisory Group LLC | The Clamshell Foundation East Hampton, NY | B | $5,000 | paid | GENERAL SUPPORT | 202240599349100354 |
| 2021 | Bogatin Family Foundation Inc C/O Cbiz Mhm LLC | The Clamshell Foundation East Hampton, NY | B | $300 | paid | COMMUNITY / HEALTH PROGRAM | 202231339349102193 |
| 2021 | J Gurwin Foundation Inc | The Clamshell Foundation Inc East Hampton, NY | B | $250 | paid | CHARITY | 202133269349100303 |
| 2021 | Pilzer Foundation Inc | The Clamshell Foundation East Hampton, NY | B | $100 | paid | ENRICH LIVES OF OTHERS BY FOSTERING EDUCATION IN HEALTH, CULTURAL AND ENVIRONMENTAL FIELDS OF ENDEAVOR | 202241799349100204 |
| 2020 | Fidelity Investments Charitable Gift Fund | The Clamshell Foundation Inc East Hampton, NY | A | $8,150 | paid | For grant recipient's exempt purposes | 202121359349300427 |
| 2020 | The Jct Foundation C/O Jeff Tarr | The Clamshell Foundation East Hampton, NY | B | $5,000 | paid | GENERAL SUPPORT | 202103099349100790 |
| 2020 | Wunsch Foundation Inc | Clamshell Foundation East Hampton, NY | B | $4,500 | paid | COMMUNITIES | 202103189349100600 |
| 2020 | The Penniman Foundation Inc | The Clamshell Foundation East Hampton, NY | B | $1,000 | paid | GENERAL SUPPORT | 202113199349101576 |
| 2020 | Muriel F Siebert Foundation Inc | Clamshell Foundation East Hampton, NY | B | $1,000 | paid | GENERAL PURPOSE | 202123199349103192 |
| 2020 | Bayberry Family Foundation | Clamshell Foundation East Hampton, NY | B | $750 | paid | SUPPORTS THE PEOPLE, PROGRAMS, AND PROJECTS OF THE EAST END. | 202103199349106230 |
| 2020 | Bogatin Family Foundation Inc C/O Cbiz Mhm LLC | The Clamshell Foundation New York, NY | B | $370 | paid | COMMUNITY / HEALTH PROGRAM | 202101289349100400 |
| 2020 | Allan Silverstein Family Foundation Inc | Clamshell Foundation East Hampton, NY | B | $250 | paid | CHARITABLE | 202140399349100114 |
| 2020 | Pilzer Foundation Inc | The Clamshell Foundation East Hampton, NY | B | $250 | paid | ENRICH LIVES OF OTHERS BY FOSTERING EDUCATION IN HEALTH, CULTURAL AND ENVIRONMENTAL FIELDS OF ENDEAVOR | 202140469349100604 |
| 2020 | Bc Partners Foundation (us) Inc | Clamshell Foundation New York, NY | B | $200 | paid | CHARITY OUTREACH | 202101319349102620 |
| 2020 | Amazonsmile Foundation | The Clamshell Foundation Inc East Hampton, NY | B | $49 | paid | GENERAL SUPPORT | 202113199349100901 |
| 2018 | Pilzer Foundation Inc | The Clamshell Foundation East Hampton, NY | B | $500 | paid | ENRICH LIVES OF OTHERS BY FOSTERING EDUCATION IN HEALTH, CULTURAL AND ENVIRONMENTAL FIELDS OF ENDEAVOR | 201942609349100509 |
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 inferred and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF and Form 990 Schedule I e-file XML filed by the funders shown; this organization's identity from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The rows as Parquet: manifest.
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.