Grants paid by William P & Gertrude Schweitzer
EIN 13-6160772 · New York, NY · Form 990-PF, Part XV
William P & Gertrude Schweitzer of New York, NY (EIN 13-6160772) reported 43 grants paid totaling $722,561 to 17 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
$722,561
43 grants
Recipients
17
distinct organizations
Tax years
2018–2025
7 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 5 | $92,500 | — |
| 2020 | 6 | $105,500 | — |
| 2021 | 7 | $105,000 | — |
| 2022 | 9 | $108,000 | — |
| 2023 | 6 | $99,500 | — |
| 2024 | 3 | $67,351 | — |
| 2025 | 7 | $144,710 | — |
Top recipients
The 17 recipients receiving the most from William P & Gertrude Schweitzer, by grants paid, out of 17 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| American Museum of Natural History | U | New York, NY | 5 | $250,000 | 2023 |
| Carnegie Hall Society 13-1923626 | C | New Yor, NY | 7 | $200,000 | 2025 |
| Museum of Natural History | U | New York, NY | 1 | $70,000 | 2025 |
| New Jersey Conservation Foundation 22-6065456 | B | Far Hills, NJ | 3 | $45,000 | 2022 |
| Amer Museum of Nat History | U | New York, NY | 1 | $34,651 | 2024 |
| Metro Museum of Art | U | New York, NY | 3 | $31,500 | 2023 |
| Metropolitan Museum of Art 13-1624086 | B | New York, NY | 1 | $30,000 | 2025 |
| The Raptor Trust 22-2420295 | B | Millington, NJ | 4 | $20,000 | 2025 |
| St Huberts Animal Welfare Center | U | Madison, NJ | 5 | $12,710 | 2025 |
| Best Friends Animal Society 23-7147797 | B | Kanab, UT | 4 | $6,000 | 2023 |
| Trail Blaxers Foundation 27-3734229 | D | Portland, OR | 1 | $5,000 | 2023 |
| Aiken Horse Park Foundation 46-3094151 | C | Aiken, SC | 1 | $5,000 | 2018 |
| Buffalo Theraputic Riding Center 16-1384642 | C | Buffalo, NY | 2 | $4,500 | 2021 |
| Nj Conservation Foundation | U | Far Hills, NJ | 2 | $4,200 | 2025 |
| North Shore Animal League 11-1666852 | C | Port Washington, NY | 1 | $2,000 | 2022 |
| Mane Stream Inc 23-7377601 | B | Oldwick, NJ | 1 | $1,000 | 2022 |
| Shakespeare Theatre of Nj 22-1962163 | C | Florham Park, NJ | 1 | $1,000 | 2025 |
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 43 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Museum of Natural History New York, NY | U | $70,000 | paid | CHARITABLE GRANT | 202631129349100313 |
| 2025 | Metropolitan Museum of Art New York, NY | B | $30,000 | paid | CHARITABLE GRANT | 202631129349100313 |
| 2025 | Carnegie Hall Society New York, NY | C | $30,000 | paid | CHARITABLE GRANT | 202631129349100313 |
| 2025 | The Raptor Trust Madison, NJ | C | $10,000 | paid | CHARITABLE GRANT | 202631129349100313 |
| 2025 | St Huberts Animal Welfare Center Madison, NJ | U | $2,210 | paid | CHARITABLE GRANT | 202631129349100313 |
| 2025 | Nj Conservation Foundation Far Hills, NJ | U | $1,500 | paid | CHARITABLE GRANT | 202631129349100313 |
| 2025 | Shakespeare Theatre of Nj Florham Park, NJ | C | $1,000 | paid | CHARITABLE GRANT | 202631129349100313 |
| 2024 | Amer Museum of Nat History New York, NY | U | $34,651 | paid | CHARITABLE GRANT | 202541149349100434 |
| 2024 | Carnegie Hall Society New York, NY | C | $30,000 | paid | CHARITABLE GRANT | 202541149349100434 |
| 2024 | Nj Conservation Foundation Far Hills, NJ | U | $2,700 | paid | CHARITABLE GRANT | 202541149349100434 |
| 2023 | American Museum of Natural History New York, NY | U | $50,000 | paid | CHARITABLE GRANT | 202411359349102186 |
| 2023 | Carnegie Hall Society New Yor, NY | C | $30,000 | paid | CHARITABLE GRANT | 202411359349102186 |
| 2023 | Metro Museum of Art New York, NY | U | $11,500 | paid | CHARITABLE GRANT | 202411359349102186 |
| 2023 | Trail Blaxers Foundation Portland, OR | D | $5,000 | paid | Charitable | 202411359349102186 |
| 2023 | St Huberts Animal Welfare Center Madison, NJ | U | $2,000 | paid | CHARITABLE GRANT | 202411359349102186 |
| 2023 | Best Friends Animal Society Kanab, UT | B | $1,000 | paid | CHARITABLE GRANT | 202411359349102186 |
| 2022 | American Museum of Natural History New York, NY | U | $50,000 | paid | CHARITABLE GRANT | 202301299349104125 |
| 2022 | Carnegie Hall Society New Yor, NY | C | $30,000 | paid | CHARITABLE GRANT | 202301299349104125 |
| 2022 | Metro Museum of Art New York, NY | U | $10,000 | paid | CHARITABLE GRANT | 202301299349104125 |
| 2022 | The Raptor Trust Millington, NJ | B | $5,000 | paid | Charitable grant | 202301299349104125 |
| 2022 | New Jersey Conservation Foundation Far Hills, NJ | B | $5,000 | paid | CHARITABLE GRANT | 202301299349104125 |
| 2022 | St Huberts Animal Welfare Center Madison, NJ | U | $3,000 | paid | CHARITABLE GRANT | 202301299349104125 |
| 2022 | North Shore Animal League Port Washington, NY | C | $2,000 | paid | CHARITABLE GRANT | 202301299349104125 |
| 2022 | Best Friends Animal Society Kanab, UT | B | $2,000 | paid | CHARITABLE GRANT | 202301299349104125 |
| 2022 | Mane Stream Inc Oldwick, NJ | B | $1,000 | paid | Charitable grant | 202301299349104125 |
| 2021 | American Museum of Natural History New York, NY | U | $50,000 | paid | CHARITABLE GRANT | 202221319349101927 |
| 2021 | Carnegie Hall Society New Yor, NY | C | $30,000 | paid | CHARITABLE GRANT | 202221319349101927 |
| 2021 | New Jersey Conservation Foundation Far Hills, NJ | B | $15,000 | paid | CHARITABLE GRANT | 202221319349101927 |
| 2021 | St Huberts Animal Welfare Center Madison, NJ | U | $3,000 | paid | CHARITABLE GRANT | 202221319349101927 |
| 2021 | Buffalo Theraputic Riding Center Buffalo, NY | C | $2,500 | paid | Charitable Grant | 202221319349101927 |
| 2021 | The Raptor Trust Millington, NJ | B | $2,500 | paid | Charitable grant | 202221319349101927 |
| 2021 | Best Friends Animal Society Kanab, UT | B | $2,000 | paid | CHARITABLE GRANT | 202221319349101927 |
| 2020 | American Museum of Natural History New York, NY | U | $50,000 | paid | CHARITABLE GRANT | 202113199349104521 |
| 2020 | Carnegie Hall Society New Yor, NY | C | $25,000 | paid | CHARITABLE GRANT | 202113199349104521 |
| 2020 | New Jersey Conservation Foundation Far Hills, NJ | B | $25,000 | paid | CHARITABLE GRANT | 202113199349104521 |
| 2020 | St Huberts Animal Welfare Center Madison, NJ | U | $2,500 | paid | CHARITABLE GRANT | 202113199349104521 |
| 2020 | Buffalo Theraputic Riding Center Buffalo, NY | C | $2,000 | paid | Charitable Grant | 202113199349104521 |
| 2020 | Best Friends Animal Society Kanab, UT | B | $1,000 | paid | CHARITABLE GRANT | 202113199349104521 |
| 2018 | American Museum of Natural History New York, NY | U | $50,000 | paid | CHARITABLE GRANT | 201921219349100402 |
| 2018 | Carnegie Hall Society New Yor, NY | C | $25,000 | paid | CHARITABLE GRANT | 201921219349100402 |
| 2018 | Metro Museum of Art New York, NY | U | $10,000 | paid | CHARITABLE GRANT | 201921219349100402 |
| 2018 | Aiken Horse Park Foundation Aiken, SC | C | $5,000 | paid | General support | 201921219349100402 |
| 2018 | The Raptor Trust Millington, NJ | B | $2,500 | paid | Charitable grant | 201921219349100402 |
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 | 2025v4.1 | 202631129349100313 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202541149349100434 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.0 | 202411359349102186 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202301299349104125 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.0 | 202221319349101927 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.0 | 202113199349104521 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.1 | 201921219349100402 |
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/136160772.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.