Joseph and Fiora Stone Foundation

Private foundation · Grantmaker Woodland Hills, CA EIN: 95-4509664

The Joseph and Fiora Stone Foundation is a private foundation based in Woodland Hills, California. Its 2025 filing reports grants to charitable organizations including universities, cancer research and support organizations, animal rescue, water and sanitation, arts and history, and conservation organizations.

Joseph and Fiora Stone Foundation at a glance

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.

Annual giving (2025)
$253,500
+6.7% vs 2024
Grants made (2025)
15
+7.1% vs 2024
Average grant
$16,900
-0.4% vs 2024
Median grant
$10,000
Total assets
$5,091,983
+0.7% vs 2024
New grantees (estimate)
33% first-time grantees (5 of 15, 2025; small sample)
Primary geography
California (67% 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 Joseph and Fiora Stone Foundation

Accepts unsolicited proposals
No
How to Apply

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

Contact

Mailing address: 21031 Ventura Blvd Suite 1105, Woodland Hills, CA 91364
Phone: (818) 593-4800

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Joseph and Fiora Stone Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

UCLA Foundation: $60KUCLA Foundation$60KHirshberg Fdn For Pancreatic Cancer: $40KHirshberg Fdn For PancreaticCancer$40KWings of Rescue: $25KWings of Rescue$25KPancreatic Cancer Action Network: $25KPancreatic Cancer ActionNetwork$25KLustgarten Pancreatic Cancer Resear: $20KLustgarten Pancreatic CancerResear$20KWells Bring Hope: $15KWells Bring Hope$15KMark Foundation for Cancer Research: $10KMark Foundation for CancerResearch$10KV Foundation for Cancer Research: $10KV Foundation for CancerResearch$10KMuseum of Sonoma County: $10KMuseum of Sonoma County$10KArroyos Foothills Conservancy: $10KArroyos Foothills Conservancy$10K

The largest 2025 recipient was UCLA Foundation ($60K). Together the top 10 received $225K.

Grant Size Distribution

64 grants across all recorded years

59<$50K5$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 59 grants of 64 (92%).

Geographic Focus

Where this funder awards grants

In 2025, 67% of grant dollars went to recipients in California, 12% to New York, 10% to Iowa, 4% to North Carolina, and 3% to Washington. These figures describe the locations of grant recipients.

Grant Distribution by State

9states

Share of 2025 grant dollars across all 15 itemized grants.

Cities

Los AngelesBeverly HillsFriday HarborIndianapolisAtlantaCalabasasLong BeachManhattan BeachUniondaleBooneCaryMemphisNew YorkPasadenaPortlandSanta MonicaSanta RosaShadow HillsTorrance

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. With only 15 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. 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.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$100K$200K$300K16 grants2020 12 grants2021 13 grants2022 10 grants2023 14 grants2024 15 grants2025

From 2020 to 2025, annual grant giving ranged from $126K (2023) to $300K (2022). In 2025 it made 15 grants totaling $254K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
UCLA Foundation Los Angeles, CACharitable Contribution$60,000
Hirshberg Fdn For Pancreatic Cancer Los Angeles, CACharitable Contribution$40,000
Wings of Rescue Beverly Hills, CACharitable Contribution$25,000
Pancreatic Cancer Action Network Boone, IACharitable Contribution$25,000
Lustgarten Pancreatic Cancer Resear Uniondale, NYCharitable Contribution$20,000
Wells Bring Hope Los Angeles, CACharitable Contribution$15,000
Mark Foundation for Cancer Research New York, NYCharitable Contribution$10,000
V Foundation for Cancer Research Cary, NCCharitable Contribution$10,000
Museum of Sonoma County Santa Rosa, CACharitable Contribution$10,000
Arroyos Foothills Conservancy Pasadena, CACharitable Contribution$10,000
Your AI grants department

Ready to take the next step with Joseph and Fiora Stone Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$5,091,983$354,902$319,396$253,50015$278,536$261,756$288,674
2024$5,056,477$237,608$302,684$237,50014$261,431$196,355$266,175
2023$5,121,553$229,613$195,643$126,00010$126,000$185,173$252,791
2022$5,087,583$1,054,858$423,876$300,00013$300,000$977,915$253,488
2021$4,462,601$437,236$421,351$300,00012$300,000$437,236$266,716
2020$4,450,777$293,649$422,029$300,00016—$293,649$260,678

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.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No foundation mission statement is provided. Its 2025 grants show support for a range of charitable organizations. For example, the UCLA Foundation describes itself as UCLA’s giving, receiving, and investing arm, supporting the campus through private philanthropy. Wells Bring Hope says it works to provide safe water and sanitation to rural villages in Niger and Mali, while the Museum of Sonoma County describes its work as presenting art and history exhibitions, collections, and public programs. Arroyos & Foothills Conservancy says it works to conserve and steward natural habitats and wildlife corridors.

Grantmaking

In filing year 2025, the foundation reported 15 grants totaling $253,500. Grant amounts ranged from $2,500 to $60,000, with a median of $10,000. The largest grants included $60,000 to the UCLA Foundation, $40,000 to the Hirshberg Foundation for Pancreatic Cancer, $25,000 each to Wings of Rescue and the Pancreatic Cancer Action Network, and $20,000 to the Lustgarten Pancreatic Cancer Research Foundation. Other reported grants included $15,000 to Wells Bring Hope and $10,000 each to the Mark Foundation for Cancer Research, the V Foundation for Cancer Research, the Museum of Sonoma County, and Arroyos & Foothills Conservancy.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Harris D Bass as president and Steven J Wolf as treasurer and secretary.

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

Harris D Bass — President: $47KHarris D BassPresident$47K

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). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What does Joseph and Fiora Stone Foundation fund?

No foundation mission statement is provided. Its 2025 grants show support for a range of charitable organizations. For example, the UCLA Foundation describes itself as UCLA’s giving, receiving, and investing arm, supporting the campus through private philanthropy. See mission & focus areas ↑

How do I apply for a grant from Joseph and Fiora Stone Foundation?

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

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.

Does Joseph and Fiora Stone 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

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS June 4, 2026)
  2. IRS filings on file for fiscal years 2020–2024

Explore Open Grants

Browse active grant opportunities in Joseph and Fiora Stone Foundation's focus areas in our free grants database

Similar Funders

Funders with grantees in common, and similar funders in California

Enterprise Holdings Foundation

Saint Louis, MO

The Enterprise Holdings Foundation supports charitable and educational nonprofits in communities where Enterprise Mobility operates, focusing on health, education, arts, and disaster relief; applicants must be actively supported by an Enterprise Mobility team member, spouse, or domestic partner. Giving varies widely: it reported 9,499 grants in 2024, but its 2025 filing showed one grant of $101.4 million, so that amount is not a typical award. Applications are accepted at any time through eligible Enterprise-affiliated applicants; the Foundation does not limit giving to preselected organizations.

Assets

$594.3M

Grants

1

Total Given

$101.4M

Jewish Community Foundation of Los Angeles

Los Angeles, CA

The Jewish Community Foundation of Los Angeles supports human services, health, education, Jewish life, arts and culture, Israel-related work, and nonprofit capacity and capital projects, with a focus on Los Angeles and also giving in Israel and beyond. Its 2024 itemized grants had a median of $25,000, though amounts varied widely. General Community grants are by invitation only and do not accept unsolicited applications; current procedures should be verified.

Assets

$1.2B

Grants

1,063

Total Given

$142.2M

The Waters Charitable Remainder Unitrust

Manhattan Beach, CA

This foundation supports preselected charities working in animal rescue and welfare, cancer, hunger relief, and sea-life protection. Its 2025 grants ranged from $500 to $27,500, with a median of $2,000; most funding went to California, though it also supported organizations in other states. It does not accept unsolicited funding requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$1.7M

Grants

25

Total Given

$118K

Silicon Valley Community Foundation

Mountain View, CA

Silicon Valley Community Foundation funds work in areas such as housing, economic security, education, health, the environment, arts and culture, and civic engagement, with Community Action Grants supporting local, community-led organizations in San Mateo and Santa Clara counties. Its 2024 grants had a median of $51,716, though amounts varied widely; applications depend on the program, and SVCF states that it does not accept unsolicited proposals for advised funds.

Philanthropy, Voluntarism & Grantmaking

Assets

$12.3B

Grants

3,576

Total Given

$3.2B

California Community Foundation

Los Angeles, CA

The California Community Foundation supports nonprofits through discretionary and donor-directed grants, with discretionary priorities including education, health, housing and immigration, alongside other areas such as arts, civic engagement and economic opportunity. Its 2025 grants had a median of $50,000, and its work is focused on Los Angeles County; prospective discretionary applicants are asked to contact the relevant program officer before submitting a letter of intent.

Assets

$2.3B

Grants

2,174

Total Given

$326.6M

The William & Flora Hewlett Foundation

Menlo Park, CA

The William & Flora Hewlett Foundation funds education, climate and conservation, the arts, democracy, gender equity, racial justice, and efforts to strengthen nonprofits and philanthropy, with work spanning the San Francisco Bay Area, the U.S. West, and locations including East and West Africa and Mexico. Its 2024 grants had a median award of $150,000, though amounts varied widely. It generally does not accept unsolicited requests, but sometimes invites proposals through open processes.

Philanthropy, Voluntarism & Grantmaking

Assets

$14.2B

Grants

2,001

Total Given

$625.0M

More similar funders

More Funders in California

Cite this profile

Grantable. (2026). Joseph and Fiora Stone Foundation funder profile. GrantGraph. Retrieved October 21, 2026, from https://grantable.co/funders/joseph-and-fiora-stone-foundation-morg_aadfe82f92b24742a923766684101e02

BibTeX
@misc{grantable_954509664_2026,
  author       = {{Grantable}},
  title        = {{Joseph and Fiora Stone Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/joseph-and-fiora-stone-foundation-morg_aadfe82f92b24742a923766684101e02},
  note         = {Accessed 2026-10-21. 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 Joseph and Fiora 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.

Joseph and Fiora Stone Foundation down — hundreds of funders to go?

Want AI to do this for you?