funder-graph › Recipients
Who funds Heffter Research Institute
EIN 85-1073501 · Greenwich, CT · NTEE U20
Heffter Research Institute of Greenwich, CT (EIN 85-1073501) was named as a grant recipient by 10 funders in 17 grants paid totaling $980,116 in tax years 2020–2025, 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
$980,116
17 grants paid
Funders
10
distinct grantmakers
Tax years
2020–2025
as reported by funders
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Fidelity Investments Charitable Gift Fund 11-0303001 | MA | A | 3 | $306,000 | 2023 |
| Turnbull Family Foundation Inc 83-1563331 | CT | B | 2 | $231,626 | 2022 |
| National Philanthropic Trust 23-7825575 | PA | A | 2 | $225,000 | 2023 |
| The San Diego Foundation 95-2942582 | CA | A | 2 | $100,000 | 2025 |
| The Saisei Foundation 83-2599773 | TX | D | 1 | $75,000 | 2022 |
| Vanguard Charitable Endowment Program 23-2888152 | PA | A | 2 | $20,000 | 2025 |
| Donor Advised Charitable Giving Inc 31-1640316 | CA | A | 1 | $11,000 | 2024 |
| The San Francisco Foundation 01-0679337 | CA | A | 1 | $10,000 | 2023 |
| Solstice Foundation 86-1796951 | NV | B | 1 | $1,000 | 2024 |
| Amazonsmile Foundation 46-2626883 | WA | B | 2 | $490 | 2022 |
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 17 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | The San Diego Foundation | Heffter Research Institute Greenwich, CT | A | $50,000 | paid | FOR GENERAL SUPPORT | 202601339349305635 |
| 2025 | Vanguard Charitable Endowment Program | Heffter Research Institute Greenwich, CT | A | $10,000 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202621329349306657 |
| 2024 | Donor Advised Charitable Giving Inc | Heffter Research Institute Greenwich, CT | A | $11,000 | paid | PUBLIC, SOCIETAL BENEFIT | 202541069349300729 |
| 2024 | Vanguard Charitable Endowment Program | Heffter Research Institute Greenwich, CT | A | $10,000 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202511349349313096 |
| 2024 | Solstice Foundation | Heffter Research Institute Greenwich, CT | B | $1,000 | paid | NEUROSCIENCE RESEARCH | 202511199349100621 |
| 2023 | National Philanthropic Trust | Heffter Research Institute Greenwich, CT | A | $150,000 | paid | EDUCATION | 202431429349301368 |
| 2023 | Fidelity Investments Charitable Gift Fund | Heffter Research Institute Greenwich, CT | A | $106,000 | paid | For grant recipient's exempt purposes | 202441369349301334 |
| 2023 | The San Diego Foundation | Heffter Research Institute Greenwich, CT | A | $50,000 | paid | GENERAL SUPPORT | 202421349349305987 |
| 2023 | The San Francisco Foundation | Heffter Research Institute Greenwich, CT | A | $10,000 | paid | ADVISED - FOR SUPPORT OF THE RIVERSTYX QUALITATIVE RESEARCH IN THE HOPKINS/NYU RELIGIOUS LEADER STUDY WITH PSILOCYBIN. | 202431359349311628 |
| 2022 | Turnbull Family Foundation Inc | Heffter Research Institute Greenwich, CT | B | $115,084 | paid | General Support | 202311089349101851 |
| 2022 | Fidelity Investments Charitable Gift Fund | Haven Care Liberia Inc New York, NY | A | $100,000 | paid | For grant recipient's exempt purposes | 202321309349304807 |
| 2022 | Fidelity Investments Charitable Gift Fund | Heffter Research Institute Greenwich, CT | A | $100,000 | paid | For grant recipient's exempt purposes | 202430459349302913 |
| 2022 | The Saisei Foundation | Heffter Research Greenwich, CT | D | $75,000 | paid | ANNUAL FUNDRAISING | 202301299349105005 |
| 2022 | National Philanthropic Trust | Heffter Research Institute Greenwich, CT | A | $75,000 | paid | EDUCATION | 202311359349313966 |
| 2022 | Amazonsmile Foundation | Heffter Research Institute Inc Greenwich, CT | B | $244 | paid | GENERAL SUPPORT | 202313119349100141 |
| 2021 | Turnbull Family Foundation Inc | Heffter Research Institute Greenwich, CT | B | $116,542 | paid | General Support | 202240889349100124 |
| 2020 | Amazonsmile Foundation | Heffter Research Institute Inc Greenwich, CT | B | $246 | paid | GENERAL SUPPORT | 202113199349100901 |
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.