Supo Foundation
Supo Foundation is a private foundation based in Glendale, California. It provides grants to eligible organizations serving women, children, and older adults in Southern California, with stated areas of support including health, wellness, housing, and education.
Supo Foundation at a glance
In short: Supo Foundation gave $665K across 48 grants in 2024 (avg $14K), mostly in California. 56% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $664,546
- +70.7% vs 2023
- Grants made (2024)
- 48
- +14.3% vs 2023
- Average grant
- $13,845
- +49.4% vs 2023
- Median grant
- $5,000
- Total assets
- $1,567,316
- -24.9% vs 2023
- New grantees (estimate)
- 56% first-time grantees (27 of 48, 2024)
- Primary geography
- California (92% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Supo Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation’s 2024 filing says it does not accept unsolicited requests. Its website provides written-request instructions, but the filing states that contributions are made only to preselected charitable organizations.
- Review Cycle
- The website says requests are accepted year-round and reviewed monthly.
- Deadline
- The website says requests are accepted year-round and reviewed monthly.
- Contact
Mailing address: 505 N Brand Blvd Suite 230, Glendale, CA 91203
Phone: (818) 240-8849
Website: https://supofoundation.com
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Supo Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was The Jewish War Veterans Post #603 ($308K). Together the top 10 received $497K.
Grant Size Distribution
190 grants across all recorded years
The most common grant size was under $50K: 185 grants of 190 (97%).
Geographic Focus
Where this funder awards grants
The foundation says it provides grants to eligible organizations in Southern California. In 2024, 92% of grant dollars went to recipients in California; the remaining reported shares went to New York (2%), Illinois (2%), Tennessee (1%), and Connecticut (1%).
Grant Distribution by State
Share of 2024 grant dollars across all 48 itemized grants.
States
Cities
Is Supo Foundation open to new grantees?
56%
first-time grantees, 2024
In 2024, 27 of 48 grantees (56%) were first-time recipients. First grants averaged $6K; repeat grants $23K. How we count
Medians: $4K first-time, $5K repeat.
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). 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 2024, annual grant giving ranged from $160K (2021) to $665K (2024). In 2024 it made 48 grants totaling $665K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Jewish War Veterans Post #603 Los Angeles, CA | Unrestricted Donation | $307,686 |
| Motor 4 Toys Thousand Oaks, CA | Unrestricted Donation | $43,441 |
| Lasd Youth Foundation Los Angeles, CA | Unrestricted Donation | $35,215 |
| West Valley Food Pantry Woodland Hills, CA | Unrestricted Donation | $30,000 |
| Rancho San Antonio Chatsworth, CA | Unristricted Donation | $16,017 |
| James Storehouse Newbury Park, CA | Unrestricted Donation | $15,998 |
| Home 4 Families Wodland Hills, CA | Unrisctricted Donation | $15,000 |
| Big Brothers Big Sisters of Ventura County Camarillo, CA | Unrestricted Donation | $11,998 |
| Los Angeles Fire Department Foundation Los Angeles, CA | Unrestricted Donation | $11,211 |
| Stand with US Los Angeles, CA | Unrestricted Donation | $10,000 |
Ready to take the next step with Supo Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income |
|---|---|---|---|---|---|---|---|
| 2024 | $1,567,316 | $171,614 | $684,547 | $664,546 | 48 | $664,546 | $157,701 |
| 2023 | $2,086,359 | $-29,148 | $404,897 | $389,225 | 42 | $389,225 | $48,243 |
| 2022 | $2,256,932 | $665 | $437,172 | $411,539 | 39 | $411,539 | $47,319 |
| 2021 | $3,071,195 | $233,280 | $181,395 | $160,331 | 34 | $160,331 | $216,605 |
| 2020 | $3,073,502 | $54,522 | $226,338 | $211,100 | 27 | — | $65,560 |
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The foundation describes its grantmaking as supporting health, wellness, housing, and education needs for women, children, and older adults. Its website lists a broad range of organizations it has supported.
Examples of grantees’ stated work include the Los Angeles Fire Department Foundation, which says it provides equipment, training, and public outreach programs to supplement city resources; Open Arms Food Pantry & Resource Center, which says it provides food support and infant needs; and 100 Black Men of America, which says it works to improve community quality of life and educational and economic opportunities.
Grantmaking
In filing year 2024, the foundation reported 48 grants totaling $664,546. Grants ranged from $200 to $307,686, with a median of $5,000. The largest listed grants were $307,686 to The Jewish War Veterans Post #603, $43,441 to Motor 4 Toys, $35,215 to LASD Youth Foundation, and $30,000 to West Valley Food Pantry. The filing describes these gifts as unrestricted donations.
The foundation’s 2024 filing states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests. Its website also describes a written-request process for eligible U.S. 501(c)(3) organizations that have locally served women, children, and/or older adults for more than one year; it says requests should identify a specific need and include allocation tracking. The website says requests are reviewed monthly and acceptance letters are mailed or emailed within 60 days of receipt. It also states that grants are not awarded to individuals.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Onnie Baron and Steven Supowitz as foundation managers.
Supo Foundation's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.
Officers on the 2024 filing
Onnie Baron
Found. Manager
On filings since 2020
No compensation reported
Steven Supowitz
Found. Manager
On filings since 2020
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "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 Supo Foundation
How much does Supo Foundation give each year?
Supo Foundation gave $665K across 48 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $389K across 42 grants.
What is Supo Foundation's typical grant size?
Supo Foundation's median grant in 2024 was $5,000, and its average grant was $13,845, across 48 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Supo Foundation that year got $6K on average.
Where does Supo Foundation give grants?
Supo Foundation gives mostly in California: 92% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Los Angeles, CA (9 grants), New York, NY (4 grants), Thousand Oaks, CA (3 grants) and Woodland Hills, CA (3 grants).
Does Supo Foundation give general operating support?
Yes: 71% of Supo Foundation's 2024 grants with a stated purpose (34 of 48) were for general or operating support, per its 2024 IRS Form 990-PF. Recurring purposes include "Unristricted Donation" (13 grants).
Who are Supo Foundation's largest grantees?
Supo Foundation's largest 2024 grantees include The Jewish War Veterans Post #603 ($307,686), Motor 4 Toys ($43,441) and Lasd Youth Foundation ($35,215), according to its 2024 IRS Form 990-PF. Together they received 58% of its itemized 2024 grant dollars.
How large is Supo Foundation?
Supo Foundation reported $1.6M in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $172K.
What does Supo Foundation fund?
The foundation describes its grantmaking as supporting health, wellness, housing, and education needs for women, children, and older adults. Its website lists a broad range of organizations it has supported. See mission & focus areas ↑
How do I apply for a grant from Supo Foundation?
The foundation’s 2024 filing says it does not accept unsolicited requests. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Supo Foundation's EIN?
Supo Foundation's EIN (Employer Identification Number) is 86-1154955. IRS Form 990 filing data is available on this page for 2020–2024.
Does Supo 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
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in Supo Foundation's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
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
William & Anna Tenenblatt Foundation
Los Angeles, CA
The William & Anna Tenenblatt Foundation supports Jewish congregations, schools, and community organizations, along with charities in other areas. Its 2024 grants ranged from $50 to $255,608, with a median of $10,000; most funding went to organizations in California and New York. It gives only to preselected organizations and does not accept unsolicited requests.
Assets
$7.0M
Grants
19
Total Given
$869K
Albert and Joan Dorman Family Foundation
Pacific Palisades, CA
The foundation supports education, research, conservation, civil liberties, human services, and other charitable activities. Its 2024 grants ranged from $75 to $80,000, with a median of $1,000; most funding went to California and New York organizations. It does not restrict giving to preselected organizations, and its filing says any application form is acceptable and there are no deadlines.
Assets
$3.9M
Grants
37
Total Given
$185K
The David Geffen Foundation
Los Angeles, CA
The David Geffen Foundation supports organizations across arts and culture, education and research, health, and other charitable areas, with most 2024 grant dollars going to California, New York, and Connecticut. Its 2024 grants ranged from $1,250 to $50 million, with a median of $10,000; it funds only preselected organizations and does not accept unsolicited requests.
Assets
$332.7M
Grants
93
Total Given
$112.5M
Strauss Foundation TD
Saint Louis, MO
Strauss Foundation TD supports a range of charitable organizations, including arts and culture, children and youth, and health-related causes. In 2025, it awarded grants of $250 to $143,000, with a median of $5,000, mainly in California, Florida, New York, Pennsylvania, and Colorado. It funds only preselected organizations and does not accept unsolicited requests.
Assets
$34.1M
Grants
184
Total Given
$1.9M
The Annenberg Foundation
Conshohocken, PA
The Annenberg Foundation funds arts and culture, education, and environmental work, along with varied community initiatives, with grants across multiple states; in 2024, 58% of grant dollars went to California. Its 2024 grants had a median of $25,000, though awards ranged widely, and it does not accept unsolicited requests, giving only to preselected charitable organizations.
Assets
$1.5B
Grants
543
Total Given
$53.3M
More similar funders
More Funders in California
Cite this profile
Grantable. (2026). Supo Foundation funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/supo-foundation-morg_30a47643b83e4790a0a5e7d6b7be07c5
BibTeX
@misc{grantable_861154955_2026,
author = {{Grantable}},
title = {{Supo Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/supo-foundation-morg_30a47643b83e4790a0a5e7d6b7be07c5},
note = {Accessed 2026-10-15. 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 Supo 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.
Supo Foundation down — hundreds of funders to go?