Grants paid by Tansy Charitable Foundation C/O Eric Wepsic
EIN 27-6377439 · New York, NY · Form 990-PF, Part XV · NTEE T20
Tansy Charitable Foundation C/O Eric Wepsic of New York, NY (EIN 27-6377439) reported 52 grants paid totaling $204,420,016 to 13 recipients in tax years 2018–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$204,420,016
52 grants
Recipients
13
distinct organizations
Tax years
2018–2025
8 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 6 | $10,000,000 | — |
| 2019 | 6 | $12,625,000 | — |
| 2020 | 9 | $15,550,000 | — |
| 2021 | 8 | $18,600,000 | — |
| 2022 | 5 | $26,500,000 | — |
| 2023 | 6 | $32,045,000 | — |
| 2024 | 5 | $39,000,000 | — |
| 2025 | 7 | $50,100,016 | — |
Top recipients
The 13 recipients receiving the most from Tansy Charitable Foundation C/O Eric Wepsic, by grants paid, out of 13 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Givewell 20-8625442 | B | Oakland, CA | 5 | $72,100,000 | 2025 |
| Partners in Health | U | Boston, MA | 8 | $45,000,007 | 2025 |
| The Carter Center 58-1454716 | B | Atlanta, GA | 8 | $28,750,000 | 2025 |
| Community Partners International 94-3375666 | C | Berkeley, CA | 8 | $15,100,009 | 2025 |
| The Hertz Foundation 27-2536580 | D | Livermore, CA | 8 | $14,125,000 | 2025 |
| Natural Resources Defense Council 13-2654926 | B | New York, NY | 4 | $12,500,000 | 2021 |
| Harvard University 04-3009105 | C | Cambridge, MA | 4 | $10,400,000 | 2021 |
| George Mason University Foundation 54-1603842 | B | Fairfax, VA | 2 | $4,500,000 | 2021 |
| Digital Harbor 45-2536579 | C | Baltimore, MD | 1 | $1,000,000 | 2025 |
| Presidents and Fellows of Harvard College | U | Cambridge, MA | 1 | $600,000 | 2025 |
| Idea Foundry Inc 04-3587471 | C | Pittsburgh, PA | 1 | $200,000 | 2020 |
| League of Conservation Voters Education Fund 52-1379661 | B | Washington, DC | 1 | $100,000 | 2020 |
| University of Minnesota Foundation 41-6042488 | B | Minneapolis, MN | 1 | $45,000 | 2023 |
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 52 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Givewell Oakland, CA | B | $25,000,000 | paid | GENERAL USE | 202620569349100907 |
| 2025 | Partners in Health Boston, MA | U | $10,000,007 | paid | GENERAL USE | 202620569349100907 |
| 2025 | The Carter Center Atlanta, GA | B | $7,000,000 | paid | GENERAL USE | 202620569349100907 |
| 2025 | The Hertz Foundation Pleasanton, CA | D | $3,500,000 | paid | GENERAL USE | 202620569349100907 |
| 2025 | Community Partners International San Francisco, CA | C | $3,000,009 | paid | GENERAL USE | 202620569349100907 |
| 2025 | Digital Harbor Baltimore, MD | C | $1,000,000 | paid | GENERAL USE | 202620569349100907 |
| 2025 | Presidents and Fellows of Harvard College Cambridge, MA | U | $600,000 | paid | GENERAL USE | 202620569349100907 |
| 2024 | Givewell Oakland, CA | B | $17,000,000 | paid | GENERAL USE | 202520929349100617 |
| 2024 | Partners in Health Boston, MA | U | $10,000,000 | paid | GENERAL USE | 202520929349100617 |
| 2024 | The Carter Center Atlanta, GA | B | $7,000,000 | paid | GENERAL USE | 202520929349100617 |
| 2024 | Community Partners International San Francisco, CA | C | $2,500,000 | paid | GENERAL USE | 202520929349100617 |
| 2024 | The Hertz Foundation Pleasanton, CA | D | $2,500,000 | paid | GENERAL USE | 202520929349100617 |
| 2023 | Givewell Oakland, CA | B | $15,500,000 | paid | GENERAL USE | 202400729349101010 |
| 2023 | Partners in Health Boston, MA | U | $7,000,000 | paid | GENERAL USE | 202400729349101010 |
| 2023 | The Carter Center Atlanta, GA | B | $5,000,000 | paid | GENERAL USE | 202400729349101010 |
| 2023 | Community Partners International San Francisco, CA | C | $2,500,000 | paid | GENERAL USE | 202400729349101010 |
| 2023 | The Hertz Foundation Pleasanton, CA | D | $2,000,000 | paid | GENERAL USE | 202400729349101010 |
| 2023 | University of Minnesota Foundation Minneapolis, MN | B | $45,000 | paid | GENERAL USE | 202400729349101010 |
| 2022 | Givewell Oakland, CA | B | $11,000,000 | paid | GENERAL USE | 202301309349102890 |
| 2022 | Partners in Health Boston, MA | U | $7,000,000 | paid | GENERAL USE | 202301309349102890 |
| 2022 | The Carter Center Atlanta, GA | B | $4,000,000 | paid | GENERAL USE | 202301309349102890 |
| 2022 | Community Partners International San Francisco, CA | C | $2,500,000 | paid | GENERAL USE | 202301309349102890 |
| 2022 | The Hertz Foundation Pleasanton, CA | D | $2,000,000 | paid | GENERAL USE | 202301309349102890 |
| 2021 | Givewell Oakland, CA | B | $3,600,000 | paid | GENERAL USE | 202221369349102592 |
| 2021 | Harvard University Cambridge, MA | C | $3,500,000 | paid | GENERAL USE | 202221369349102592 |
| 2021 | Partners in Health Boston, MA | U | $3,500,000 | paid | GENERAL USE | 202221369349102592 |
| 2021 | The Carter Center Atlanta, GA | B | $2,000,000 | paid | GENERAL USE | 202221369349102592 |
| 2021 | Community Partners International Berkeley, CA | C | $2,000,000 | paid | GENERAL USE | 202221369349102592 |
| 2021 | The Hertz Foundation Livermore, CA | D | $2,000,000 | paid | GENERAL USE | 202221369349102592 |
| 2021 | George Mason University Foundation Fairfax, VA | B | $1,500,000 | paid | GENERAL USE | 202221369349102592 |
| 2021 | Natural Resources Defense Council New York, NY | B | $500,000 | paid | GENERAL USE | 202221369349102592 |
| 2020 | Natural Resources Defense Council New York, NY | B | $3,000,000 | paid | GENERAL USE | 202120889349100652 |
| 2020 | George Mason University Foundation Fairfax, VA | B | $3,000,000 | paid | GENERAL USE | 202120889349100652 |
| 2020 | Partners in Health Boston, MA | U | $3,000,000 | paid | GENERAL USE | 202120889349100652 |
| 2020 | Harvard University Cambridge, MA | C | $2,500,000 | paid | GENERAL USE | 202120889349100652 |
| 2020 | The Carter Center Atlanta, GA | B | $1,500,000 | paid | GENERAL USE | 202120889349100652 |
| 2020 | Community Partners International Berkeley, CA | C | $1,250,000 | paid | GENERAL USE | 202120889349100652 |
| 2020 | The Hertz Foundation Livermore, CA | D | $1,000,000 | paid | GENERAL USE | 202120889349100652 |
| 2020 | Idea Foundry Inc Pittsburgh, PA | C | $200,000 | paid | GENERAL USE | 202120889349100652 |
| 2020 | League of Conservation Voters Education Fund Washington, DC | B | $100,000 | paid | GENERAL USE | 202120889349100652 |
| 2019 | Natural Resources Defense Council New York, NY | B | $5,000,000 | paid | GENERAL USE | 202020589349100302 |
| 2019 | Harvard University Cambridge, MA | C | $2,500,000 | paid | GENERAL USE | 202020589349100302 |
| 2019 | Partners in Health Boston, MA | U | $2,500,000 | paid | GENERAL USE | 202020589349100302 |
| 2019 | The Carter Center Atlanta, GA | B | $1,250,000 | paid | GENERAL USE | 202020589349100302 |
| 2019 | Community Partners International Berkeley, CA | C | $750,000 | paid | GENERAL USE | 202020589349100302 |
| 2019 | The Hertz Foundation Livermore, CA | D | $625,000 | paid | GENERAL USE | 202020589349100302 |
| 2018 | Natural Resources Defense Council New York, NY | B | $4,000,000 | paid | GENERAL USE | 201900579349100400 |
| 2018 | Partners in Health Boston, MA | U | $2,000,000 | paid | GENERAL USE | 201900579349100400 |
| 2018 | Harvard University Cambridge, MA | C | $1,900,000 | paid | GENERAL USE | 201900579349100400 |
| 2018 | The Carter Center Atlanta, GA | B | $1,000,000 | paid | GENERAL USE | 201900579349100400 |
| 2018 | Community Partners International Berkeley, CA | C | $600,000 | paid | GENERAL USE | 201900579349100400 |
| 2018 | The Hertz Foundation Livermore, CA | D | $500,000 | paid | GENERAL USE | 201900579349100400 |
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 | 2025 | 2025-12-31 | not stated | 2025v4.0 | 202620569349100907 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202520929349100617 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v4.0 | 202400729349101010 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202301309349102890 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.2 | 202221369349102592 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202120889349100652 |
| 990PF | 2019 | 2019-12-31 | not stated | 2019v5.0 | 202020589349100302 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.1 | 201900579349100400 |
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/276377439.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.