Stone Family Foundation
Stone Family Foundation is a private foundation based in Tulsa, Oklahoma. Its 2025 filing reports grants to organizations whose work includes arts and culture, conservation, health services, historical education, and community development.
Stone Family Foundation at a glance
In short: Stone Family Foundation gave $315K across 27 grants in 2025 (avg $12K), top state Kansas. 8% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $315,000
- +3.3% vs 2024
- Grants made (2025)
- 27
- +12.5% vs 2024
- Average grant
- $11,667
- -8.2% vs 2024
- Median grant
- $10,000
- Total assets
- $6,544,880
- -1.9% vs 2024
- New grantees (estimate)
- 8% first-time grantees (2 of 26, 2025)
- Primary geography
- Kansas (40% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Stone Family Foundation
- Contact
Application contact: Samuel C Stone
Mailing address: 320 S Boston Ave Ste 1900, Tulsa, OK 74103
Phone: (918) 583-1178
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Stone Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Nature Conservancy ($44K across 2 grants). Together the top 10 received $209K.
Grant Size Distribution
147 grants across all recorded years
The most common grant size was under $50K: 145 grants of 147 (99%).
Geographic Focus
Where this funder awards grants
In 2025, grant dollars were distributed among recipients in Kansas (40%), New York (20%), Oklahoma (17%), Virginia (14%), and Montana (10%), according to the filing.
Grant Distribution by State
Share of 2025 grant dollars across all 27 itemized grants.
Cities
Is Stone Family Foundation open to new grantees?
8%
first-time grantees, 2025
In 2025, 2 of 26 grantees (8%) were first-time recipients. First grants averaged $13K; repeat grants $12K. How we count
Medians: $13K first-time, $10K repeat.
- 81% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−3%). Method
- In 2025 it paid out 105% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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 2020 to 2025, annual grant giving ranged from $305K (2024) to $391K (2020). In 2025 it made 27 grants totaling $315K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Trinity Episcopal Church El Dorado, KS | Operations | $40,000 |
| Nature Conservancy Arlington, VA | Operations | $24,000 |
| Big Hole River Watershed Committee Divide, MT | Operations | $20,000 |
| Nature Conservancy Arlington, VA | Operations | $20,000 |
| The Roxbury Arts Group Inc Roxbury, NY | Operations | $20,000 |
| World War II History Center Foundation El Dorado, KS | Operations | $20,000 |
| Catskill Forest Association Arkville, NY | Operations | $15,000 |
| Gilcrease Museum Tulsa, OK | Operations | $15,000 |
| Russell Childhood Development Center Garden City, KS | Operations | $13,000 |
| Mark Project Arkville, NY | Operations | $12,000 |
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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 | $6,544,880 | $231,112 | $354,791 | $315,000 | 27 | $317,437 | $199,082 | $303,392 |
| 2024 | $6,668,559 | $195,013 | $342,236 | $305,000 | 24 | $307,380 | $183,389 | $304,126 |
| 2023 | $6,815,782 | $138,320 | $346,580 | $312,000 | 27 | $314,147 | $175,918 | $306,201 |
| 2022 | $7,024,042 | $94,499 | $363,845 | $326,000 | 32 | $327,987 | $118,270 | $331,995 |
| 2021 | $7,293,388 | $61,081 | $429,290 | $386,500 | 37 | $389,950 | $25,457 | $382,593 |
| 2020 | $7,661,597 | $147,657 | $435,426 | $391,000 | 33 | — | $113,068 | $394,291 |
Under IRS private-foundation payout rules, Stone Family Foundation reported a distributable amount of $303K 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 mission statement for the foundation is provided. Its 2025 grants include support for organizations working in several areas. For example, The Roxbury Arts Group says its mission is to cultivate the Catskill Mountain’s artistic voice through performances, exhibitions, and arts-related programs. Catskill Forest Association says it promotes forest stewardship in the Catskill region, while M-ARK Project says it works to protect and revitalize local resources and quality of life.
Other 2025 recipients include the Center for Comprehensive Health Practice, which says it provides community-based primary, substance-use, and behavioral health services, and Wichita Art Museum, whose stated mission includes conserving and displaying art. Kansas State Historical Society says it supports and promotes Kansas history education.
Grantmaking
In 2025, the foundation reported 27 grants totaling $315,000. Grant amounts ranged from $2,000 to $40,000, with a median of $10,000. All listed purposes for the largest grants were “operations.” Notable awards included $40,000 to Trinity Episcopal Church in El Dorado, Kansas; $24,000 and $20,000 to the Nature Conservancy; $20,000 each to Big Hole River Watershed Committee, The Roxbury Arts Group, and World War II History Center Foundation; and $15,000 each to Catskill Forest Association and Gilcrease Museum.
The filing says there is no specific application form, applications and requests are accepted at any time, and there are no restrictions on awards. It names Samuel C Stone as the person to contact.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Samuel C Stone as president and Sara Stone and Susan C Stone as trustees.
Stone Family Foundation is led by Samuel C. Stone, President on every filing since 2020; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Samuel C. Stone
President
On filings since 2020
5 hrs/week
No compensation reported
Sara Stone
Trustee
On filings since 2024
1 hr/week
No compensation reported
Susan C. Stone
Trustee
On filings since 2024
1 hr/week
No compensation reported
Former officers (2)
- Former: Sara Stone Laughren (2020–2023) — Trustee
- Former: Susan Stone Hunter (2020–2023) — Vice President
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 Stone Family Foundation
How much does Stone Family Foundation give each year?
Stone Family Foundation gave $315K across 27 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $305K across 24 grants.
What is Stone Family Foundation's typical grant size?
Stone Family Foundation's median grant in 2025 was $10,000, and its average grant was $11,667, across 27 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Stone Family Foundation that year got $13K on average.
Where does Stone Family Foundation give grants?
Stone Family Foundation's top state is Kansas, with 40% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were New York (20%) and Oklahoma (17%). The most frequent recipient cities were El Dorado, KS (5 grants), Tulsa, OK (5 grants), Wichita, KS (4 grants) and Arlington, VA (2 grants).
Does Stone Family Foundation give general operating support?
Not in 2025: none of the 27 grants with a stated purpose on Stone Family Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Operations" (27 grants).
Who are Stone Family Foundation's largest grantees?
Stone Family Foundation's largest 2025 grantees include Nature Conservancy ($44,000 across 2 grants), Trinity Episcopal Church ($40,000) and Big Hole River Watershed Committee ($20,000), according to its 2025 IRS Form 990-PF. Together they received 33% of its itemized 2025 grant dollars.
How large is Stone Family Foundation?
Stone Family Foundation reported $6.5M in total assets on its 2025 IRS Form 990-PF. It paid out $317K in qualifying distributions that year, against a required minimum of $303K (roughly 5% of its investment assets).
What does Stone Family Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants include support for organizations working in several areas. For example, The Roxbury Arts Group says its mission is to cultivate the Catskill Mountain’s artistic voice through performances, exhibitions, and arts-related programs. See mission & focus areas ↑
How do I apply for a grant from Stone Family Foundation?
Stone Family Foundation has no public application process in the sources Grantable reviewed. Contact the foundation directly before submitting a request.
What is Stone Family Foundation's EIN?
Stone Family Foundation's EIN (Employer Identification Number) is 43-1773536. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS July 19, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 6, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 15, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 14, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 27, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Stone Family Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
- Nixa Affiliate Grantmaking Program Up to US $10,000 · Due October 19, 2026
- Community and School Grants $28,000 total pool; 10-15 grants expected · Due October 19, 2026
- Mary Pinola/Crescenta Valley Chamber Education Fund $500 - $5,000 for ongoing programs; up to $15,000 for Strategic Initiative Grants · Due October 19, 2026
Explore Open Grants
Browse active grant opportunities in Stone Family Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). Stone Family Foundation funder profile. GrantGraph. Retrieved October 18, 2026, from https://grantable.co/funders/stone-family-foundation-morg_214e76fb4a2548e2839d789f5e94f334
BibTeX
@misc{grantable_431773536_2026,
author = {{Grantable}},
title = {{Stone Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/stone-family-foundation-morg_214e76fb4a2548e2839d789f5e94f334},
note = {Accessed 2026-10-18. 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 Stone Family 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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