Grants paid by The Rock Oak Foundation
EIN 85-3746433 · Greenville, DE · Form 990-PF, Part XV · NTEE T20
The Rock Oak Foundation of Greenville, DE (EIN 85-3746433) reported 47 grants paid totaling $592,500 to 34 recipients in tax years 2021–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$592,500
47 grants
Recipients
34
distinct organizations
Tax years
2021–2025
5 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2021 | 1 | $500 | — |
| 2022 | 2 | $18,000 | — |
| 2023 | 10 | $162,500 | — |
| 2024 | 14 | $170,500 | — |
| 2025 | 20 | $241,000 | — |
Top recipients
The 34 recipients receiving the most from The Rock Oak Foundation, by grants paid, out of 34 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Westtown School 20-5073581 | B | West Chester, PA | 3 | $80,000 | 2025 |
| Delaware Art Museum 51-0065746 | B | Wilmington, DE | 3 | $45,000 | 2025 |
| Kenyon College Woollam House 31-4379507 | D | Gambier, OH | 2 | $35,000 | 2025 |
| Met Museum | U | New York, NY | 1 | $35,000 | 2025 |
| Nextgenface Inc | U | New York, NJ | 2 | $35,000 | 2024 |
| Planned Parenthood of Delaware 51-0066725 | B | Wilmington, DE | 2 | $30,000 | 2025 |
| Tower Hill School 51-0065745 | B | Wilmington, DE | 3 | $27,500 | 2025 |
| Maria Mitchell Association | U | Nantucket, MA | 1 | $25,000 | 2023 |
| Brandywine Conservancy and Museum 51-6020908 | C | Chadds Ford, PA | 2 | $21,500 | 2024 |
| Philander Chase Conservancy 31-1711213 | B | Gambier, OH | 1 | $20,000 | 2023 |
| Lenox Hill Hospital in Honor of Dr Lon Weiner | U | New Hyde Park, NY | 1 | $20,000 | 2024 |
| Kennett Area Community Service 23-2215441 | B | Kennett Square, PA | 2 | $20,000 | 2025 |
| Conservation International 52-1497470 | C | Arlington, VA | 1 | $20,000 | 2025 |
| Planned Parenthood of Southern Pa | U | Philadelphia, PA | 2 | $20,000 | 2025 |
| Brandywine River Museum 92-3368886 | D | Chadds Ford, PA | 1 | $15,000 | 2025 |
| Delaware Nature Society 51-6018321 | B | Hockessin, DE | 1 | $15,000 | 2023 |
| Sweet Briar College 58-2128752 | B | Sweet Briar, VA | 1 | $10,000 | 2025 |
| Colorado Snowsports Museum - Vail 10th Mountain Division | U | Vail, CO | 1 | $10,000 | 2025 |
| Wrti | U | Philadelphia, PA | 1 | $10,000 | 2025 |
| Whyy | U | Greencastle, DE | 1 | $10,000 | 2025 |
| New Bolton in Honor of Dean Richardson | U | Philadelphia, PA | 1 | $10,000 | 2024 |
| Peaceful Valley of Donkey Rescue 77-0562800 | C | Miles, TX | 1 | $10,000 | 2024 |
| The Humane Society of the United States | U | Washington, DC | 1 | $10,000 | 2024 |
| Association of Reef Keepers | U | Cruz Bay St John, VI | 1 | $9,000 | 2023 |
| The American Cancer Society | U | Hagerstown, MD | 1 | $7,500 | 2025 |
| Willistown Conservation Trust 23-2841453 | B | Newtown Square, PA | 1 | $7,000 | 2022 |
| Ifaw | U | Washington, DC | 1 | $6,000 | 2025 |
| Greenmore Farm Animal Rescue 27-3981325 | B | West Grove, PA | 2 | $5,500 | 2024 |
| The 1103 Market Street Foundation (wilmington Club) 20-2783473 | D | Wilmington, DE | 1 | $5,000 | 2024 |
| American Museum of Natural History | U | New York, NY | 1 | $5,000 | 2025 |
| New Bolton Center | U | Philadelphia, PA | 1 | $5,000 | 2025 |
| Tri-State Bird Rescue 51-0265807 | D | Newark, DE | 1 | $5,000 | 2025 |
| Stroud Water | U | Avondale, PA | 1 | $2,500 | 2025 |
| Northwell Health Foundation 11-2965575 | C | New Hyde Park, NY | 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 47 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Met Museum New York, NY | U | $35,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Westtown West Chester, PA | D | $35,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Conservation International Arlington, VA | C | $20,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Kenyon Collegewoollam House Gambier, OH | D | $20,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Brandywine River Museum Chadds Ford, PA | D | $15,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Delaware Art Museum Wilmington, DE | B | $10,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Sweet Briar College Sweet Briar, VA | B | $10,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Kennett Area Community Service (kacs) Kennett Square, PA | C | $10,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Wrti Philadelphia, PA | U | $10,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Whyy Greencastle, DE | U | $10,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Colorado Snowsports Museum - Vail 10th Mountain Division Vail, CO | U | $10,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Planned Parenthood of Southern Pa Philadelphia, PA | U | $10,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Planned Parenthood of Delaware Wilmington, DE | B | $10,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | The American Cancer Society Hagerstown, MD | U | $7,500 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Ifaw Washington, DC | U | $6,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Tower Hill School Wilmington, DE | B | $5,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Tri-State Bird Rescue Newark, DE | D | $5,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | American Museum of Natural History New York, NY | U | $5,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | New Bolton Center Philadelphia, PA | U | $5,000 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2025 | Stroud Water Avondale, PA | U | $2,500 | paid | GENERAL PURPOSE | 202631359349103688 |
| 2024 | Planned Parenthood of Delaware Wilmington, DE | B | $20,000 | paid | GENERAL OPERATIONS | 202541359349101329 |
| 2024 | Lenox Hill Hospital in Honor of Dr Lon Weiner New Hyde Park, NY | U | $20,000 | paid | GENERAL OPERATIONS | 202541359349101329 |
| 2024 | Westtown School West Chester, PA | B | $20,000 | paid | GENERAL OPERATIONS | 202541359349101329 |
| 2024 | Tower Hill School Wilmington, DE | B | $15,000 | paid | GENERAL OPERATIONS | 202541359349101329 |
| 2024 | Kenyon College Woollam House Gambier, OH | D | $15,000 | paid | GENERAL OPERATIONS | 202541359349101329 |
| 2024 | Brandywine Conservancy and Museum Chadds Ford, PA | C | $10,500 | paid | GENERAL OPERATIONS | 202541359349101329 |
| 2024 | Nextgenface Inc New York, NJ | U | $10,000 | paid | GENERAL OPERTAIONS | 202541359349101329 |
| 2024 | Delaware Art Museum Wilmington, DE | B | $10,000 | paid | GENERAL OPERATIONS | 202541359349101329 |
| 2024 | Peaceful Valley of Donkey Rescue Miles, TX | C | $10,000 | paid | GENERAL OPERATIONS | 202541359349101329 |
| 2024 | Kennett Area Community Service Kennett Square, PA | B | $10,000 | paid | GENERAL OPERATIONS | 202541359349101329 |
| 2024 | The Humane Society of the United States Washington, DC | U | $10,000 | paid | GENERAL OPERATIONS | 202541359349101329 |
| 2024 | New Bolton in Honor of Dean Richardson Philadelphia, PA | U | $10,000 | paid | GENERAL OPERATIONS | 202541359349101329 |
| 2024 | Greenmore Farm Animal Rescue West Grove, PA | B | $5,000 | paid | GENERAL OPERATIONS | 202541359349101329 |
| 2024 | The 1103 Market Street Foundation (wilmington Club) Wilmington, DE | D | $5,000 | paid | GENERAL OPERATIONS | 202541359349101329 |
| 2023 | Nextgenface Inc New York, NJ | U | $25,000 | paid | GENERAL OPERTAIONS | 202401369349104820 |
| 2023 | Westtown School West Chester, PA | B | $25,000 | paid | GENERAL OPERATIONS | 202401369349104820 |
| 2023 | Maria Mitchell Association Nantucket, MA | U | $25,000 | paid | GENERAL OPERATIONS | 202401369349104820 |
| 2023 | Delaware Art Museum Wilmington, DE | B | $25,000 | paid | GENERAL OPERATIONS | 202401369349104820 |
| 2023 | Philander Chase Conservancy Gambier, OH | B | $20,000 | paid | GENERAL OPERATIONS | 202401369349104820 |
| 2023 | Delaware Nature Society Hockessin, DE | B | $15,000 | paid | GENERAL OPERATIONS | 202401369349104820 |
| 2023 | Planned Parenthood of Southern Pa Philadelphia, PA | U | $10,000 | paid | GENERAL OPERATIONS | 202401369349104820 |
| 2023 | Association of Reef Keepers Cruz Bay St John, VI | U | $9,000 | paid | GENERAL OPERATIONS | 202401369349104820 |
| 2023 | Tower Hill School Wilmington, DE | B | $7,500 | paid | GENERAL OPERATIONS | 202401369349104820 |
| 2023 | Northwell Health Foundation New Hyde Park, NY | C | $1,000 | paid | GENERAL OPERATIONS | 202401369349104820 |
| 2022 | Brandywine Conservancy and Museum Chadds Ford, PA | C | $11,000 | paid | GENERAL OPERATIONS | 202321379349100132 |
| 2022 | Willistown Conservation Trust Newtown Square, PA | B | $7,000 | paid | GENERAL OPERATIONS | 202321379349100132 |
| 2021 | Greenmore Farm Animal Rescue West Grove, PA | B | $500 | paid | DONATION TO GREENMORE FARM ANIMAL RESCUE | 202241369349102814 |
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 | 202631359349103688 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202541359349101329 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.0 | 202401369349104820 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202321379349100132 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.2 | 202241369349102814 |
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/853746433.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.