The Rock Oak Foundation
The Rock Oak Foundation is a private foundation based in Greenville, Delaware. Its 2025 filing reports 20 grants totaling $241,000 to charitable organizations.
The Rock Oak Foundation at a glance
In short: The Rock Oak Foundation gave $241K across 20 grants in 2025 (avg $12K), top state Pennsylvania. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $241,000
- +41.3% vs 2024
- Grants made (2025)
- 20
- +42.9% vs 2024
- Average grant
- $12,050
- -1.1% vs 2024
- Median grant
- $10,000
- Total assets
- $2,843,589
- -2.3% vs 2024
- Primary geography
- Pennsylvania (36% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to The Rock Oak Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds; it states that it makes contributions only to preselected charitable organizations.
- Contact
Mailing address: 3711 Kennett Pike Ste 105, Greenville, DE 19807
Phone: (302) 594-4537
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Rock Oak Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Westtown ($35K). Together the top 10 received $175K.
Grant Size Distribution
47 grants across all recorded years
The most common grant size was under $50K: 47 grants of 47 (100%).
Geographic Focus
Where this funder awards grants
In 2025, the largest shares of grant dollars went to recipients in Pennsylvania (36%), New York (17%), Delaware (17%), Virginia (12%), and Ohio (8%). These figures describe the locations of recipients, not necessarily the locations served by the grants.
Grant Distribution by State
Share of 2025 grant dollars across all 20 itemized grants.
States
Cities
How The Rock Oak Foundation gives
- 15% of 2025 grantees were also funded in 2024. Method
- Giving grew 1239% from 2022 to 2025. Method
- In 2025 it paid out 91% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2021 to 2025, annual grant giving ranged from $500 (2021) to $241K (2025). In 2025 it made 20 grants totaling $241K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Westtown West Chester, PA | General Purpose | $35,000 |
| Met Museum New York, NY | General Purpose | $35,000 |
| Kenyon Collegewoollam House Gambier, OH | General Purpose | $20,000 |
| Conservation International Arlington, VA | General Purpose | $20,000 |
| Brandywine River Museum Chadds Ford, PA | General Purpose | $15,000 |
| Whyy Greencastle, DE | General Purpose | $10,000 |
| Sweet Briar College Sweet Briar, VA | General Purpose | $10,000 |
| Planned Parenthood of Delaware Wilmington, DE | General Purpose | $10,000 |
| Planned Parenthood of Southern PA Philadelphia, PA | General Purpose | $10,000 |
| Colorado Snowsports Museum - Vail 10TH Mountain Division Vail, CO | General Purpose | $10,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $2,843,589 | $258,385 | $325,259 | $241,000 | 20 | $280,598 | $187,687 | $309,350 |
| 2024 | $2,910,463 | $143,051 | $245,025 | $170,500 | 14 | $204,291 | $72,781 | $274,868 |
| 2023 | $3,017,106 | $306,630 | $250,850 | $162,500 | 10 | $189,845 | $218,866 | $206,216 |
| 2022 | $2,935,519 | $2,932,176 | $65,222 | $18,000 | 2 | $35,875 | $1,456,876 | $179,207 |
| 2021 | $124,669 | $3,200,147 | $17,014 | $500 | 1 | $500 | — | $11,004 |
| 2020 | $100,000 | $100,000 | — | — | — | — | — | $205 |
Under IRS private-foundation payout rules, The Rock Oak Foundation reported a distributable amount of $309K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No foundation mission statement is provided. Its 2025 grants went to organizations including museums, colleges, conservation organizations, public media, community services, and Planned Parenthood affiliates.
Among its grantees, the Delaware Art Museum describes its mission as connecting people to art and serving as an inclusive community resource through its collections, exhibitions, and programs. Planned Parenthood of Delaware describes its mission as promoting reproductive health and responsible sexual behavior through education, counseling, and medical services, and supporting public policies that advance reproductive health and family planning. The American Museum of Natural History describes its mission as discovering, interpreting, and sharing knowledge about human cultures, the natural world, and the universe through scientific research and education.
Grantmaking
In filing year 2025, the foundation reported 20 grants totaling $241,000. Grants ranged from $2,500 to $35,000, with a median grant of $10,000. Listed recipients included Westtown and the Metropolitan Museum of Art ($35,000 each); Kenyon College/Woollam House and Conservation International ($20,000 each); and the Brandywine River Museum ($15,000). Other listed 2025 grants included $10,000 each to the Delaware Art Museum, Planned Parenthood of Delaware, Planned Parenthood of Southern Pennsylvania, WHYY, Sweet Briar College, Kennett Area Community Service, and Colorado Snowsports Museum – Vail 10th Mountain Division. The American Museum of Natural History received $5,000.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Phoebe CP Brokaw as president and treasurer, and Charles B Davidson as vice president and secretary.
The Rock Oak Foundation is led by Phoebe Cp Brokaw, President & Treasurer on every filing since 2020; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Phoebe Cp Brokaw
President & Treasurer
On filings since 2020
1 hr/week
No compensation reported
Charles B. Davidson
Vice President & Secretary
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about The Rock Oak Foundation
How much does The Rock Oak Foundation give each year?
The Rock Oak Foundation gave $241K across 20 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $171K across 14 grants.
What is The Rock Oak Foundation's typical grant size?
The Rock Oak Foundation's median grant in 2025 was $10,000, and its average grant was $12,050, across 20 grants on its 2025 IRS Form 990-PF.
Where does The Rock Oak Foundation give grants?
The Rock Oak Foundation's top state is Pennsylvania, with 36% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were New York (17%) and Delaware (17%). The most frequent recipient cities were Wilmington, DE (3 grants), Philadelphia, PA (3 grants) and New York, NY (2 grants).
Does The Rock Oak Foundation give general operating support?
Yes: 100% of The Rock Oak Foundation's 2025 grants with a stated purpose (20 of 20) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Rock Oak Foundation's largest grantees?
The Rock Oak Foundation's largest 2025 grantees include Westtown ($35,000), Met Museum ($35,000) and Kenyon Collegewoollam House ($20,000), according to its 2025 IRS Form 990-PF. Together they received 37% of its itemized 2025 grant dollars.
How large is The Rock Oak Foundation?
The Rock Oak Foundation reported $2.8M in total assets on its 2025 IRS Form 990-PF. It paid out $281K in qualifying distributions that year, against a required minimum of $309K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does The Rock Oak Foundation fund?
No foundation mission statement is provided. Its 2025 grants went to organizations including museums, colleges, conservation organizations, public media, community services, and Planned Parenthood affiliates. See mission & focus areas ↑
How do I apply for a grant from The Rock Oak Foundation?
The foundation does not accept unsolicited requests for funds; it states that it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Rock Oak Foundation's EIN?
The Rock Oak Foundation's EIN (Employer Identification Number) is 85-3746433. IRS Form 990 filing data is available on this page for 2020–2025.
Does The Rock Oak Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)
- IRS filings on file for fiscal years 2020–2024
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Browse active grant opportunities in The Rock Oak Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). The Rock Oak Foundation funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/the-rock-oak-foundation-morg_b92a62c588a14d7bbe6637af610da926
BibTeX
@misc{grantable_853746433_2026,
author = {{Grantable}},
title = {{The Rock Oak Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-rock-oak-foundation-morg_b92a62c588a14d7bbe6637af610da926},
note = {Accessed 2026-10-15. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from The Rock Oak Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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