Joseph and Fiora Stone Foundation
Joseph and Fiora Stone Foundation is a private foundation, based in Woodland Hills, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $5.1M in total assets. In 2025, it awarded 15 grants totaling $254K. Net investment income was $262K.
Key facts about Joseph and Fiora Stone Foundation
In short: Joseph and Fiora Stone Foundation gave $254K across 15 grants in 2025 (avg $17K), mostly in California. 33% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- EIN
- 95-4509664
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $253,500
- Grants made (2025)
- 15
- Average grant
- $16,900
- Median grant
- $10,000
- New grantees (estimate)
- 33% first-time grantees (5 of 15, 2025)
- Total assets
- $5,091,983
- Primary geography
- California (67% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$5.1M
+0.7% YoY
Annual Giving
$254K
+6.7% YoY
Grant Count
15
+7.1% YoY
Avg Grant Size
$17K
-0.4% YoY
Under IRS private-foundation payout rules, Joseph and Fiora Stone Foundation reported a distributable amount of $289K for 2025 — the minimum it must pay out in qualifying distributions.
Is Joseph and Fiora Stone Foundation open to new grantees?
33%
first-time grantees, 2025
In 2025, 5 of 15 grantees (33%) were first-time recipients. First grants averaged $13K; repeat grants $19K. How we count
Medians: $10K first-time, $11K repeat.
- 67% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−16%). Method
- In 2025 it paid out 96% 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 (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 15 itemized 2025 grant dollars.
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $126K (2023) to $300K (2022). In 2025 it made 15 grants totaling $254K.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was UCLA Foundation ($60K). Together the top 10 received $225K.
Grant Size Distribution
64 grants across all recorded years
The most common grant size was under $50K: 59 grants of 64 (92%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| UCLA Foundation Los Angeles, CA | Charitable Contribution | $60,000 |
| Hirshberg Fdn For Pancreatic Cancer Los Angeles, CA | Charitable Contribution | $40,000 |
| Wings of Rescue Beverly Hills, CA | Charitable Contribution | $25,000 |
| Pancreatic Cancer Action Network Boone, IA | Charitable Contribution | $25,000 |
| Lustgarten Pancreatic Cancer Resear Uniondale, NY | Charitable Contribution | $20,000 |
| Wells Bring Hope Los Angeles, CA | Charitable Contribution | $15,000 |
| Mark Foundation for Cancer Research New York, NY | Charitable Contribution | $10,000 |
| V Foundation for Cancer Research Cary, NC | Charitable Contribution | $10,000 |
| Museum of Sonoma County Santa Rosa, CA | Charitable Contribution | $10,000 |
| Arroyos Foothills Conservancy Pasadena, CA | Charitable Contribution | $10,000 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $5,091,983 | $5,056,477 | $5,121,553 |
| Revenue | $354,902 | $237,608 | $229,613 |
| Expenses | $319,396 | $302,684 | $195,643 |
| Qualifying Distributions | $278,536 | $261,431 | $126,000 |
| Net Investment Income | $261,756 | $196,355 | $185,173 |
| Distributable Amount | $288,674 | $266,175 | $252,791 |
Data update history
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS June 4, 2026)
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Officers and directors from IRS filings
Joseph and Fiora Stone Foundation is led by Harris D Bass, President on every filing since 2020; 1 of 2 officers listed in 2025 is compensated.
Officers on the 2025 filing
Harris D Bass
President
On filings since 2020
2 hrs/week
$35K (2020) → $47K (2025)
Steven J. Wolf
Treasurer & Secretary
Treasurer → Treasurer & Secretary, 2023
On filings since 2020
1 hr/week
No compensation reported
Former officers (1)
- Former: Lara L Ladd (2020–2022) — Secretary
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $47K, to Harris D Bass (President).
Frequently asked questions about Joseph and Fiora Stone Foundation
How much does Joseph and Fiora Stone Foundation give each year?
Joseph and Fiora Stone Foundation gave $254K across 15 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $238K across 14 grants.
What is Joseph and Fiora Stone Foundation's typical grant size?
Joseph and Fiora Stone Foundation's median grant in 2025 was $10,000, and its average grant was $16,900, across 15 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Joseph and Fiora Stone Foundation that year got $13K on average.
Where does Joseph and Fiora Stone Foundation give grants?
Joseph and Fiora Stone Foundation gives mostly in California: 67% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New York (12%) and Iowa (10%). The most frequent recipient cities were Los Angeles, CA (5 grants).
Who are Joseph and Fiora Stone Foundation's largest grantees?
Joseph and Fiora Stone Foundation's largest 2025 grantees include UCLA Foundation ($60,000), Hirshberg Fdn For Pancreatic Cancer ($40,000) and Wings of Rescue ($25,000), according to its 2025 IRS Form 990-PF. Together they received 49% of its itemized 2025 grant dollars.
How large is Joseph and Fiora Stone Foundation?
Joseph and Fiora Stone Foundation reported $5.1M in total assets on its 2025 IRS Form 990-PF. It paid out $279K in qualifying distributions that year, against a required minimum of $289K (roughly 5% of its investment assets).
What is Joseph and Fiora Stone Foundation's EIN?
Joseph and Fiora Stone Foundation's EIN (Employer Identification Number) is 95-4509664. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
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