Funding search · EIN 853746433 · Greenville, DE
The Rock Oak Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 46
- grants reported
- $592,000
- total given
- 2022–2025
- filing years
- $10,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
Full IRS filings ↗How this is builtReport an error
Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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2 grants matching “opertaions” · $35,000
- $10,000
Nextgenface · New York, NJ · 2024
General opertaions
- $25,000
Nextgenface · New York, NJ · 2023
General opertaions
Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Westtown School2 grants · $45,000
- Delaware Art Museum3 grants · $45,000
- Met Museum1 grant · $35,000
- Nextgenface2 grants · $35,000
- Westtown1 grant · $35,000
- Planned Parenthood of Delaware2 grants · $30,000
- Tower Hill School3 grants · $27,500
- Maria Mitchell Association1 grant · $25,000
- Brandywine Conservancy and Museum2 grants · $21,500
- Philander Chase Conservancy1 grant · $20,000
Giving over time
Grant history
All 46 reported grants, largest first.
- $35,000
Met Museum · New York, NY · 2025
General purpose
- $35,000
Westtown · West Chester, PA · 2025
General purpose
- $25,000
Delaware Art Museum · Wilmington, DE · 2023
General operations
- $25,000
Maria Mitchell Association · Nantucket, MA · 2023
General operations
- $25,000
Nextgenface · New York, NJ · 2023
General opertaions
- $25,000
Westtown School · West Chester, PA · 2023
General operations
- $20,000
Conservation International · Arlington, VA · 2025
General purpose
- $20,000
Kenyon Collegewoollam House · Gambier, OH · 2025
General purpose
- $20,000
Lenox Hill Hospital in Honor of Dr Lon Weiner · New Hyde Park, NY · 2024
General operations
- $20,000
Planned Parenthood of Delaware · Wilmington, DE · 2024
General operations
- $20,000
Westtown School · West Chester, PA · 2024
General operations
- $20,000
Philander Chase Conservancy · Gambier, OH · 2023
General operations
- $15,000
Brandywine River Museum · Chadds Ford, PA · 2025
General purpose
- $15,000
Kenyon College Woollam House · Gambier, OH · 2024
General operations
- $15,000
Tower Hill School · Wilmington, DE · 2024
General operations
- $15,000
Delaware Nature Society · Hockessin, DE · 2023
General operations
- $11,000
Brandywine Conservancy and Museum · Chadds Ford, PA · 2022
General operations
- $10,500
Brandywine Conservancy and Museum · Chadds Ford, PA · 2024
General operations
- $10,000
Colorado Snowsports Museum - Vail 10th Mountain Division · Vail, CO · 2025
General purpose
- $10,000
Delaware Art Museum · Wilmington, DE · 2025
General purpose
- $10,000
Kennett Area Community Service (Kacs) · Kennett Square, PA · 2025
General purpose
- $10,000
Planned Parenthood of Delaware · Wilmington, DE · 2025
General purpose
- $10,000
Planned Parenthood of Southern Pa · Philadelphia, PA · 2025
General purpose
- $10,000
Sweet Briar College · Sweet Briar, VA · 2025
General purpose
- $10,000
Whyy · Greencastle, DE · 2025
General purpose
- $10,000
Wrti · Philadelphia, PA · 2025
General purpose
- $10,000
Delaware Art Museum · Wilmington, DE · 2024
General operations
- $10,000
Kennett Area Community Service · Kennett Square, PA · 2024
General operations
- $10,000
New Bolton in Honor of Dean Richardson · Philadelphia, PA · 2024
General operations
- $10,000
Nextgenface · New York, NJ · 2024
General opertaions
- $10,000
Peaceful Valley of Donkey Rescue · Miles, TX · 2024
General operations
- $10,000
The Humane Society of the United States · Washington, DC · 2024
General operations
- $10,000
Planned Parenthood of Southern Pa · Philadelphia, PA · 2023
General operations
- $9,000
Association of Reef Keepers · Cruz Bay St John, VI · 2023
General operations
- $7,500
The American Cancer Society · Hagerstown, MD · 2025
General purpose
- $7,500
Tower Hill School · Wilmington, DE · 2023
General operations
- $7,000
Willistown Conservation Trust · Newtown Square, PA · 2022
General operations
- $6,000
Ifaw · Washington, DC · 2025
General purpose
- $5,000
American Museum of Natural History · New York, NY · 2025
General purpose
- $5,000
New Bolton Center · Philadelphia, PA · 2025
General purpose
- $5,000
Tower Hill School · Wilmington, DE · 2025
General purpose
- $5,000
Tri-State Bird Rescue · Newark, DE · 2025
General purpose
- $5,000
Greenmore Farm Animal Rescue · West Grove, PA · 2024
General operations
- $5,000
The 1103 Market Street Foundation (Wilmington Club) · Wilmington, DE · 2024
General operations
- $2,500
Stroud Water · Avondale, PA · 2025
General purpose
- $1,000
Northwell Health Foundation · New Hyde Park, NY · 2023
General operations
Who else funds this kind of work
Same state
- Shelby Cullom Davis Charitable Fund342 grants · $394.8M
- Longwood Foundation329 grants · $152.1M
- American Gift Fund4,670 grants · $227.2M
Similar purposes
- Zeldin Family Foundation285 grants · $2.1M
- Farmor Foundation65 grants · $2.8M
Similar grant size
- The Ayco Charitable Foundation15,303 grants · $2.05B
- Paypal Charitable Giving Fund32,081 grants · $1.40B
- Seattle Foundation14,012 grants · $457.3M
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

