Grants paid by The Rothenberg Ludden Trust
EIN 47-6799089 · South River, NY · Form 990-PF, Part XV · NTEE T50
The Rothenberg Ludden Trust of South River, NY (EIN 47-6799089) reported 51 grants paid totaling $1,063,500 to 24 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
$1,063,500
51 grants
Recipients
24
distinct organizations
Tax years
2018–2025
7 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 2 | $140,000 | — |
| 2020 | 8 | $99,000 | — |
| 2021 | 11 | $163,000 | — |
| 2022 | 4 | $111,500 | — |
| 2023 | 6 | $181,000 | — |
| 2024 | 15 | $269,000 | — |
| 2025 | 5 | $100,000 | — |
Top recipients
The 24 recipients receiving the most from The Rothenberg Ludden Trust, by grants paid, out of 24 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Rainforest Alliance 13-3377893 | C | New York, NY | 6 | $332,500 | 2024 |
| The Greenburgh Nature Center 23-7454025 | B | Scarsdale, NY | 5 | $275,000 | 2025 |
| Wildlife Conservation Society 13-1740011 | B | Bronx, NY | 5 | $175,000 | 2025 |
| The Greenburg Nature Center | U | Hartsdale, NY | 1 | $50,000 | 2018 |
| Untermyer Garden Conservancy 27-4323490 | C | Yonkers, NY | 2 | $30,000 | 2025 |
| New York Botanical Garden 13-1693134 | B | Bronx, NY | 3 | $30,000 | 2024 |
| The Nature Conservancy | U | New York, NY | 3 | $20,000 | 2024 |
| Riverkeeper 13-3204621 | B | Ossining, NY | 3 | $20,000 | 2024 |
| Westchester Land Trust 13-3507910 | B | Bedford Hills, NY | 3 | $18,000 | 2024 |
| Rainforest Trust 13-3500609 | B | Vint Hill, VA | 3 | $17,000 | 2024 |
| National Resources Defense | U | New York, NY | 3 | $15,000 | 2024 |
| Teatown | U | Ossining, NY | 2 | $15,000 | 2024 |
| Bronx Is Blooming 46-3141885 | B | Bronx, NY | 1 | $10,000 | 2025 |
| Forestry Scholarship Council | U | Seattle, WA | 1 | $10,000 | 2024 |
| Center for Biological Div 27-3943866 | C | Tucson, AZ | 1 | $10,000 | 2024 |
| 350org | U | Brooklyn, NY | 1 | $5,000 | 2020 |
| The Native Plant Center | U | Valhalla, NY | 1 | $5,000 | 2021 |
| Save the Sound 06-0990195 | B | New Haven, CT | 1 | $5,000 | 2024 |
| Environmental Defense Fund | U | Washigton, DC | 1 | $5,000 | 2024 |
| National Wildlife Federation 53-0204616 | C | Merrifield, VA | 1 | $5,000 | 2024 |
| Stern Center for Sustainable Busines | U | New York, NY | 1 | $5,000 | 2025 |
| Forestry Stewardship Council | U | Seattle, WA | 1 | $3,000 | 2021 |
| Forestry Stewardship Council | U | Minneapolis, MN | 1 | $2,000 | 2020 |
| Save the Chimps 65-0789748 | B | Ft Pierce, FL | 1 | $1,000 | 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 51 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Wildlife Conservation Society Bronx, NY | B | $50,000 | paid | GENERAL PURPOSES | 202641319349103979 |
| 2025 | The Greenburgh Nature Center Scarsdale, NY | B | $25,000 | paid | GENERAL PURPOSES | 202641319349103979 |
| 2025 | Untermyer Garden Conservancy Yonkers, NY | C | $10,000 | paid | GENERAL PURPOSES | 202641319349103979 |
| 2025 | Bronx Is Blooming Bronx, NY | B | $10,000 | paid | GENERAL PURPOSES | 202641319349103979 |
| 2025 | Stern Center for Sustainable Busines New York, NY | U | $5,000 | paid | GENERAL PURPOSES | 202641319349103979 |
| 2024 | The Greenburgh Nature Center Scarsdale, NY | B | $70,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | Rainforest Alliance New York, NY | C | $51,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | Wildlife Conservation Society Bronx, NY | B | $50,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | The Nature Conservancy New York, NY | U | $10,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | Riverkeeper Ossining, NY | B | $10,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | Rainforest Trust Vint Hill, VA | B | $10,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | Teatown Ossining, NY | U | $10,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | New York Botanical Garden Bronx, NY | B | $10,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | Forestry Scholarship Council Seattle, WA | U | $10,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | Center for Biological Div Tucson, AZ | C | $10,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | Westchester Land Trust Bedford Hills, NY | B | $8,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | National Resources Defense New York, NY | U | $5,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | Environmental Defense Fund Washigton, DC | U | $5,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | National Wildlife Federation Merrifield, VA | C | $5,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2024 | Save the Sound New Haven, CT | B | $5,000 | paid | GENERAL PURPOSES | 202502689349100935 |
| 2023 | The Greenburgh Nature Center Scarsdale, NY | B | $95,000 | paid | GENERAL PURPOSES | 202401659349100610 |
| 2023 | Rainforest Alliance New York, NY | C | $50,000 | paid | GENERAL PURPOSES | 202401659349100610 |
| 2023 | Untermyer Garden Conservancy Yonkers, NY | C | $20,000 | paid | GENERAL PURPOSES | 202401659349100610 |
| 2023 | New York Botanical Garden Bronx, NY | B | $10,000 | paid | GENERAL PURPOSES | 202401659349100610 |
| 2023 | National Resources Defense New York, NY | U | $5,000 | paid | GENERAL PURPOSES | 202401659349100610 |
| 2023 | Save the Chimps Ft Pierce, FL | B | $1,000 | paid | GENERAL PURPOSES | 202401659349100610 |
| 2022 | Rainforest Alliance New York, NY | C | $51,500 | paid | GENERAL PURPOSES | 202341709349100104 |
| 2022 | The Greenburgh Nature Center Scarsdale, NY | B | $25,000 | paid | GENERAL PURPOSES | 202341709349100104 |
| 2022 | Wildlife Conservation Society Bronx, NY | B | $25,000 | paid | GENERAL PURPOSES | 202341709349100104 |
| 2022 | New York Botanical Garden Bronx, NY | B | $10,000 | paid | GENERAL PURPOSES | 202341709349100104 |
| 2021 | The Greenburgh Nature Center Scarsdale, NY | B | $60,000 | paid | GENERAL PURPOSES | 202211809349100416 |
| 2021 | Rainforest Alliance New York, NY | C | $40,000 | paid | GENERAL PURPOSES | 202211809349100416 |
| 2021 | Wildlife Conservation Society Bronx, NY | B | $25,000 | paid | GENERAL PURPOSES | 202211809349100416 |
| 2021 | Riverkeeper Ossining, NY | B | $5,000 | paid | GENERAL PURPOSES | 202211809349100416 |
| 2021 | The Native Plant Center Valhalla, NY | U | $5,000 | paid | GENERAL PURPOSES | 202211809349100416 |
| 2021 | National Resources Defense New York, NY | U | $5,000 | paid | GENERAL PURPOSES | 202211809349100416 |
| 2021 | The Nature Conservancy New York, NY | U | $5,000 | paid | GENERAL PURPOSES | 202211809349100416 |
| 2021 | Teatown Ossining, NY | U | $5,000 | paid | GENERAL PURPOSES | 202211809349100416 |
| 2021 | Westchester Land Trust Bedford Hills, NY | B | $5,000 | paid | GENERAL PURPOSES | 202211809349100416 |
| 2021 | Rainforest Trust Vint Hill, VA | B | $5,000 | paid | GENERAL PURPOSES | 202211809349100416 |
| 2021 | Forestry Stewardship Council Seattle, WA | U | $3,000 | paid | GENERAL PURPOSES | 202211809349100416 |
| 2020 | Rainforest Alliance New York, NY | C | $50,000 | paid | GENERAL PURPOSES | 202101759349100125 |
| 2020 | Wildlife Conservation Society Bronx, NY | B | $25,000 | paid | GENERAL PURPOSES | 202101759349100125 |
| 2020 | 350org Brooklyn, NY | U | $5,000 | paid | GENERAL PURPOSES | 202101759349100125 |
| 2020 | Westchester Land Trust Bedford Hills, NY | B | $5,000 | paid | GENERAL PURPOSES | 202101759349100125 |
| 2020 | The Nature Conservancy New York, NY | U | $5,000 | paid | GENERAL PURPOSES | 202101759349100125 |
| 2020 | Riverkeeper Ossining, NY | B | $5,000 | paid | GENERAL PURPOSES | 202101759349100125 |
| 2020 | Forestry Stewardship Council Minneapolis, MN | U | $2,000 | paid | GENERAL PURPOSES | 202101759349100125 |
| 2020 | Rainforest Trust Vint Hill, VA | B | $2,000 | paid | GENERAL PURPOSES | 202101759349100125 |
| 2018 | Rainforest Alliance New York, NY | C | $90,000 | paid | GENERAL PURPOSES | 201933039349100018 |
| 2018 | The Greenburg Nature Center Hartsdale, NY | U | $50,000 | paid | GENERAL PURPOSES | 201933039349100018 |
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 | 202641319349103979 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.2 | 202502689349100935 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.0 | 202401659349100610 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202341709349100104 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.2 | 202211809349100416 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202101759349100125 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.1 | 201933039349100018 |
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/476799089.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.