The Ruth & J O Stone Foundation

Private foundation · Grantmaker Wilmington, DE EIN: 82-3471315

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.

Key facts about The Ruth & J O Stone Foundation

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.

EIN
82-3471315
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$4,931,000
Grants made (2025)
29
Average grant
$170,034
Median grant
$20,000
Total assets
$41,126,336
Primary geography
Florida (99% of itemized 2025 grant dollars)
Accepts unsolicited proposals
No
How to apply
The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations. Full details ↓

Data from IRS Form 990-PF, 2025; updated September 2026. Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$41.1M

-3.7% YoY

Annual Giving

$4.9M

+408.3% YoY

Grant Count

29

+45.0% YoY

Avg Grant Size

$170K

+250.6% YoY

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.

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.

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.

How to Apply

The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations.

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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

4states

Share of 2025 grant dollars across all 29 itemized grants.

Cities

ClearwaterTampaDunedinSt PetersburgCharlestonLargoIndian ShoresPalm HarborAthensBelleairBrookhavenJacksonOrlando

Giving Over Time

Total grant dollars and number of grants per year

$0$2M$4M$6M1 grant2019 12 grants2020 18 grants2021 23 grants2022 21 grants2023 20 grants2024 29 grants2025

From 2019 to 2025, annual grant giving ranged from $5K (2019) to $4.9M (2025). In 2025 it made 29 grants totaling $4.9M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Clearwater Free Clinic Inc: $2.0M across 2 grantsClearwater Free Clinic Inc$2.0M · 2 grantsMorton Plant Mease Health Care Foundation Inc: $2.0MMorton Plant Mease Health CareFoundation Inc$2.0MTown of Belleair: $206KTown of Belleair$206KThe Salvation Army: $125K across 2 grantsThe Salvation Army$125K · 2 grantsCommunity Foundation of Tampa Bay Inc: $100KCommunity Foundation of TampaBay Inc$100KFlorida Orchestra Inc: $75K across 2 grantsFlorida Orchestra Inc$75K · 2 grantsClay Center for the Arts & Sciences of West Virgin: $50K across 2 grantsClay Center for the Arts &Sciences of West Virgin$50K · 2 grantsFlorida Wildlife Corridor Foundation Inc: $50KFlorida Wildlife CorridorFoundation Inc$50KHope Villages of America Inc: $50KHope Villages of America Inc$50KSpecial Operations Warrior Foundation: $45K across 2 grantsSpecial Operations WarriorFoundation$45K · 2 grants

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

86<$50K7$50–100K9$100–250K3$250–500K2$500K–1M4$1–5M$5M+

The most common grant size was under $50K: 86 grants of 111 (77%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Clearwater Free Clinic Inc Clearwater, FLTo Fund improvements to the Wellness Center$2,000,000
Morton Plant Mease Health Care Foundation Inc Clearwater, FLGeneral & Unrestricted$2,000,000
Town of Belleair Belleair, FLClaw Truck Purchase$206,000
Community Foundation of Tampa Bay Inc Tampa, FLLove IV Lawrence Foundation$100,000
The Salvation Army Clearwater, FLRed Kettle Campaign$100,000
Florida Orchestra Inc St Petersburg, FLSeason Sponsor of Pre-Concert Conversations$50,000
Florida Wildlife Corridor Foundation Inc St Petersburg, FLUnderwrite the 2025 exhibitions for the Wild Space Gallery located in the Foundation's headquarters$50,000
Hope Villages of America Inc Clearwater, FLFor the Purchase of a Refrigerated Truck$50,000
Clay Center for the Arts & Sciences of West Virgin Charleston, WVCharitable Event$25,000
Clay Center for the Arts & Sciences of West Virgin Charleston, WVCharitable Event$25,000

Financial History

Multi-year comparison from IRS filings

Filing year Grants Grant count
2025 $4,931,000 29
2024 $970,069 20
2023 $2,827,431 21
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$10M$20M$30M$40M2019 2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$41,126,336$42,723,926$42,750,807
Revenue$3,769,779$1,363,848$5,630,457
Expenses$5,367,369$1,390,729$3,173,109
Qualifying Distributions$4,995,752$1,033,552$2,889,789
Net Investment Income$3,420,009$1,024,815$908,730
Distributable Amount$2,207,360$2,245,504$1,887,600

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 9, 2025)
  2. Updated Form 990-PF for fiscal year 2025 (received by the IRS May 8, 2026)
  3. Added Form 990-PF for fiscal year 2019 (received by the IRS July 2, 2020)
  4. Updated Form 990-PF for fiscal year 2020 (received by the IRS November 9, 2021)
  5. Updated Form 990-PF for fiscal year 2021 (received by the IRS November 11, 2022)
  6. Updated Form 990-PF for fiscal year 2022 (received by the IRS October 31, 2023)
  7. Updated Form 990-PF for fiscal year 2023 (received by the IRS October 24, 2024)

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.

Contact

Mailing address: Foundation Source 501 Silverside Rd, Wilmington, DE 19809-1377
Phone: (800) 839-1754

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.

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