The Ruth & J O Stone Foundation
The Ruth & J O Stone Foundation is a private foundation based in Wilmington, Delaware. Its 2025 grants went primarily to Florida organizations, including health care, arts, community, and conservation organizations.
The Ruth & J O Stone Foundation at a glance
In short: The Ruth & J O Stone Foundation gave $4.9M across 29 grants in 2025 (avg $170K), mostly in Florida. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $4,931,000
- +408.3% vs 2024
- Grants made (2025)
- 29
- +45.0% vs 2024
- Average grant
- $170,034
- +250.6% vs 2024
- Median grant
- $20,000
- Total assets
- $41,126,336
- -3.7% vs 2024
- Primary geography
- Florida (99% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
How to apply to The Ruth & J O Stone Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations.
- Contact
Mailing address: Foundation Source 501 Silverside Rd, Wilmington, DE 19809-1377
Phone: (800) 839-1754
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Ruth & J O Stone Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Clearwater Free Clinic Inc ($2.0M across 2 grants). Together the top 10 received $4.7M.
Grant Size Distribution
111 grants across all recorded years
The most common grant size was under $50K: 86 grants of 111 (77%).
Geographic Focus
Where this funder awards grants
In 2025, 99% of grant dollars went to recipients in Florida and 1% to recipients in West Virginia.
Grant Distribution by State
Share of 2025 grant dollars across all 29 itemized grants.
Cities
How The Ruth & J O Stone Foundation gives
- 62% of 2025 grantees were also funded in 2024. Method
- Giving grew 275% from 2022 to 2025. Method
- In 2025 it paid out 226% of its IRS minimum distribution (the 5% rule). 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 2019 to 2025, annual grant giving ranged from $5K (2019) to $4.9M (2025). In 2025 it made 29 grants totaling $4.9M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Clearwater Free Clinic Inc Clearwater, FL | To Fund improvements to the Wellness Center | $2,000,000 |
| Morton Plant Mease Health Care Foundation Inc Clearwater, FL | General & Unrestricted | $2,000,000 |
| Town of Belleair Belleair, FL | Claw Truck Purchase | $206,000 |
| Community Foundation of Tampa Bay Inc Tampa, FL | Love IV Lawrence Foundation | $100,000 |
| The Salvation Army Clearwater, FL | Red Kettle Campaign | $100,000 |
| Florida Orchestra Inc St Petersburg, FL | Season Sponsor of Pre-Concert Conversations | $50,000 |
| Florida Wildlife Corridor Foundation Inc St Petersburg, FL | Underwrite the 2025 exhibitions for the Wild Space Gallery located in the Foundation's headquarters | $50,000 |
| Hope Villages of America Inc Clearwater, FL | For the Purchase of a Refrigerated Truck | $50,000 |
| Clay Center for the Arts & Sciences of West Virgin Charleston, WV | Charitable Event | $25,000 |
| Clay Center for the Arts & Sciences of West Virgin Charleston, WV | Charitable Event | $25,000 |
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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 | $41,126,336 | $3,769,779 | $5,367,369 | $4,931,000 | 29 | $4,995,752 | $3,420,009 | $2,207,360 |
| 2024 | $42,723,926 | $1,363,848 | $1,390,729 | $970,069 | 20 | $1,033,552 | $1,024,815 | $2,245,504 |
| 2023 | $42,750,807 | $5,630,457 | $3,173,109 | $2,827,431 | 21 | $2,889,789 | $908,730 | $1,887,600 |
| 2022 | $40,293,459 | $3,573,354 | $1,703,000 | $1,314,500 | 23 | $1,375,610 | $1,132,952 | $1,879,769 |
| 2021 | $38,423,105 | $10,158,893 | $1,991,001 | $1,590,000 | 18 | $1,650,793 | $3,477,418 | $1,838,872 |
| 2020 | $30,255,213 | $27,380,526 | $1,370,732 | $1,192,500 | 12 | — | $2,086,056 | $964,352 |
| 2019 | $3,705,394 | $3,255,615 | $20,918 | $5,000 | 1 | — | $14,330 | $47,141 |
Under IRS private-foundation payout rules, The Ruth & J O Stone Foundation reported a distributable amount of $2.2M 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 grants show support for organizations working in areas including health care, community services, conservation, and the performing arts. Clearwater Free Clinic describes its mission as providing low-income uninsured families access to care for acute and chronic medical issues. Hope Villages of America says it provides “hope restoration with dignity to those in need through innovative programs and services.” Ruth Eckerd Hall describes its mission as “changing lives through performing arts.” The Florida Wildlife Corridor Foundation says it champions efforts to connect, protect, and restore the Florida Wildlife Corridor.
Grantmaking
In 2025, the foundation made 29 grants totaling $4,931,000. Grants ranged from $5,000 to $2,000,000, with a median of $20,000. Notable grants included $2,000,000 to Clearwater Free Clinic for improvements to its Wellness Center and $2,000,000 to Morton Plant Mease Health Care Foundation for general and unrestricted purposes. Other grants included $206,000 to the Town of Belleair for a claw truck purchase and $100,000 each to Community Foundation of Tampa Bay and The Salvation Army.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Linda R Chamberlain as secretary, treasurer, and director; H Jason Hall as director and vice president; and Timothy K Mariani as director and president.
The Ruth & J O Stone Foundation is led by Timothy K Mariani, Director & President on every filing since 2019; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Timothy K Mariani
Director & President
On filings since 2019
5 hrs/week
No compensation reported
H Jason Hall
Director & Vice President
On filings since 2019
1 hr/week
No compensation reported
Linda R Chamberlain
Secretary, Treasurer & Director
On filings since 2020
1 hr/week
No compensation reported
Former officers (2)
- Former: Ruth P Stone (2019) — Director, President, Secretary & Treasurer
- Former: Wayne Bond (2019) — Director, Secretary & Treasurer
Data from IRS Form 990 filings, 2019–2025. "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 Ruth & J O Stone Foundation
How much does The Ruth & J O Stone Foundation give each year?
The Ruth & J O Stone Foundation gave $4.9M across 29 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $970K across 20 grants.
What is The Ruth & J O Stone Foundation's typical grant size?
The Ruth & J O Stone Foundation's median grant in 2025 was $20,000, and its average grant was $170,034, across 29 grants on its 2025 IRS Form 990-PF.
Where does The Ruth & J O Stone Foundation give grants?
The Ruth & J O Stone Foundation gives mostly in Florida: 99% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Clearwater, FL (17 grants), Tampa, FL (3 grants), St Petersburg, FL (3 grants) and Charleston, WV (2 grants).
Does The Ruth & J O Stone Foundation give general operating support?
Yes: 14% of The Ruth & J O Stone Foundation's 2025 grants with a stated purpose (4 of 29) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Charitable Event" (14 grants).
Who are The Ruth & J O Stone Foundation's largest grantees?
The Ruth & J O Stone Foundation's largest 2025 grantees include Clearwater Free Clinic Inc ($2,020,000 across 2 grants), Morton Plant Mease Health Care Foundation Inc ($2,000,000) and Town of Belleair ($206,000), according to its 2025 IRS Form 990-PF. Together they received 86% of its itemized 2025 grant dollars.
How large is The Ruth & J O Stone Foundation?
The Ruth & J O Stone Foundation reported $41.1M in total assets on its 2025 IRS Form 990-PF. It paid out $5.0M in qualifying distributions that year, against a required minimum of $2.2M (roughly 5% of its investment assets).
What does The Ruth & J O Stone Foundation fund?
No mission statement for the foundation is provided. Its grants show support for organizations working in areas including health care, community services, conservation, and the performing arts. See mission & focus areas ↑
How do I apply for a grant from The Ruth & J O Stone Foundation?
The foundation does not accept unsolicited requests for funds and 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 Ruth & J O Stone Foundation's EIN?
The Ruth & J O Stone Foundation's EIN (Employer Identification Number) is 82-3471315. IRS Form 990 filing data is available on this page for 2019–2025.
Does The Ruth & J O Stone Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated September 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 2024 (received by the IRS May 9, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 8, 2026)
- Added Form 990-PF for fiscal year 2019 (received by the IRS July 2, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 9, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 11, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS October 31, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS October 24, 2024)
Live grants for the work The Ruth & J O Stone Foundation funds
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Cite this profile
Grantable. (2026). The Ruth & J O Stone Foundation funder profile. GrantGraph. Retrieved October 23, 2026, from https://grantable.co/funders/the-ruth-and-j-o-stone-foundation-morg_a75705873f4349ca85891696ba189d48
BibTeX
@misc{grantable_823471315_2026,
author = {{Grantable}},
title = {{The Ruth \& J O Stone Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-ruth-and-j-o-stone-foundation-morg_a75705873f4349ca85891696ba189d48},
note = {Accessed 2026-10-23. 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 Ruth & J O Stone 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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