I S Wong Foundation
The I S Wong Foundation is a private foundation based in San Juan Capistrano, California. Its 2025 filing reports 30 grants totaling $1,626,250 to charitable organizations, including organizations working in areas such as children’s surgical care, Christian and biblical media, assistance to persecuted people, and humanitarian crisis response.
I S Wong Foundation at a glance
In short: I S Wong Foundation gave $1.6M across 30 grants in 2025 (avg $54K), top state Arizona. 33% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,626,250
- +37.6% vs 2024
- Grants made (2025)
- 30
- +30.4% vs 2024
- Average grant
- $54,208
- +5.5% vs 2024
- Median grant
- $25,000
- Total assets
- $3,889,883
- -21.4% vs 2024
- New grantees (estimate)
- 33% first-time grantees (10 of 30, 2025)
- Primary geography
- Arizona (25% 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 I S Wong Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations.
- Contact
Mailing address: PO Box 339 San Juan Plaza, San Juan Capistrano, CA 92693
Phone: (626) 201-3709
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who I S Wong Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Strategic Resource Group ($400K). Together the top 10 received $1.3M.
Grant Size Distribution
128 grants across all recorded years
The most common grant size was under $50K: 88 grants of 128 (69%).
Geographic Focus
Where this funder awards grants
The foundation’s 2025 grant dollars were distributed among recipients in multiple states. The largest reported shares went to Arizona (25%), California (14%), Washington, DC (12%), Florida (10%), and Virginia (9%).
Grant Distribution by State
Share of 2025 grant dollars across all 30 itemized grants.
States
Cities
Is I S Wong Foundation open to new grantees?
33%
first-time grantees, 2025
In 2025, 10 of 30 grantees (33%) were first-time recipients. First grants averaged $27K; repeat grants $68K. How we count
Medians: $18K first-time, $30K repeat.
- 30% of 2025 grantees were also funded in 2024. Method
- Giving grew 36% from 2022 to 2025. Method
- In 2025 it paid out 560% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). 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 $1.2M (2024) to $1.6M (2025). In 2025 it made 30 grants totaling $1.6M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Strategic Resource Group Flagstaff, AZ | General Fund | $400,000 |
| CRU Orlando, FL | General | $162,250 |
| International Justice Mission Washington, DC | General Fund | $150,000 |
| Thornston Education Fund Wrightwood, CA | General | $150,000 |
| East Asia School of Theology | General | $100,000 |
| Cure International Grand Rapids, MI | General | $100,000 |
| Revelation Media Richardson, TX | General | $69,000 |
| World Horizon Richmond, VA | General | $50,000 |
| Isik Abla Ministries Virginia Beach, VA | General | $50,000 |
| Persecution Project Foundation Culpeper, VA | General | $50,000 |
Ready to take the next step with I S Wong Foundation?
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 | $3,889,883 | $619,648 | $1,678,879 | $1,626,250 | 30 | $1,629,825 | $616,073 | $291,166 |
| 2024 | $4,949,114 | $988,358 | $1,231,155 | $1,181,900 | 23 | $1,185,412 | $941,865 | $307,670 |
| 2023 | $5,191,911 | $219,176 | $1,339,096 | $1,303,634 | 22 | $1,308,169 | $178,249 | $319,200 |
| 2022 | $6,311,831 | $-218,136 | $1,237,024 | $1,193,183 | 28 | $1,198,868 | $89,515 | $388,547 |
| 2021 | $7,766,991 | $523,712 | $1,568,353 | $1,518,000 | 25 | $1,525,795 | $481,154 | $467,722 |
| 2020 | $8,811,632 | $336,120 | $1,626,585 | $1,582,000 | 36 | — | $298,286 | $503,888 |
| 2019 | $10,102,097 | $1,686,171 | $1,549,620 | $1,495,000 | 23 | — | $1,635,779 | $515,660 |
Under IRS private-foundation payout rules, I S Wong Foundation reported a distributable amount of $291K 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 2025 grants include support for organizations with varied missions. For example, CURE International describes its work as providing surgical care for children with disabilities in a compassionate Christian environment. Revelation Media says it produces and distributes Christian and biblical content, while Persecution Project Foundation describes work to expose persecution, assist victims, and encourage and support persecuted people. World Central Kitchen describes its work as providing meals in response to humanitarian, climate, and community crises.
Grantmaking
In filing year 2025, the foundation reported 30 grants totaling $1,626,250. Grants ranged from $10,000 to $400,000, with a median grant of $25,000.
Among the largest reported grants were $400,000 to Strategic Resource Group; $162,250 to CRU; $150,000 each to International Justice Mission and Thornston Education Fund; and $100,000 each to East Asia School of Theology and CURE International. Other reported grants included $69,000 to Revelation Media, $50,000 each to World Horizon, Isik Abla Ministries, and Persecution Project Foundation, and $30,000 each to World Concern and SAT - 7 USA.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Wah-Pui Sam as president and Ellen H Sam as secretary.
I S Wong Foundation is led by Wah-Pui Sam, President on every filing since 2019; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Wah-Pui Sam
President
On filings since 2019
12 hrs/week
No compensation reported
Ellen H. Sam
Secretary
On filings since 2019
5 hrs/week
No compensation reported
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 I S Wong Foundation
How much does I S Wong Foundation give each year?
I S Wong Foundation gave $1.6M across 30 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1.2M across 23 grants.
What is I S Wong Foundation's typical grant size?
I S Wong Foundation's median grant in 2025 was $25,000, and its average grant was $54,208, across 30 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from I S Wong Foundation that year got $27K on average.
Where does I S Wong Foundation give grants?
I S Wong Foundation's top state is Arizona, with 25% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were California (14%) and District of Columbia (12%). The most frequent recipient cities were Washington, DC (4 grants) and New York, NY (3 grants).
Does I S Wong Foundation give general operating support?
Yes: 100% of I S Wong Foundation's 2025 grants with a stated purpose (30 of 30) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are I S Wong Foundation's largest grantees?
I S Wong Foundation's largest 2025 grantees include Strategic Resource Group ($400,000), CRU ($162,250) and International Justice Mission ($150,000), according to its 2025 IRS Form 990-PF. Together they received 44% of its itemized 2025 grant dollars.
How large is I S Wong Foundation?
I S Wong Foundation reported $3.9M in total assets on its 2025 IRS Form 990-PF. It paid out $1.6M in qualifying distributions that year, against a required minimum of $291K (roughly 5% of its investment assets).
What does I S Wong Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants include support for organizations with varied missions. For example, CURE International describes its work as providing surgical care for children with disabilities in a compassionate Christian environment. See mission & focus areas ↑
How do I apply for a grant from I S Wong Foundation?
The foundation does not accept unsolicited requests for funds and states that it 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 I S Wong Foundation's EIN?
I S Wong Foundation's EIN (Employer Identification Number) is 95-4194427. IRS Form 990 filing data is available on this page for 2019–2025.
Does I S Wong 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
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS August 18, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 5, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in I S Wong Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). I S Wong Foundation funder profile. GrantGraph. Retrieved October 11, 2026, from https://grantable.co/funders/i-s-wong-foundation-morg_3e9735ecd2094289a2d506211be3680e
BibTeX
@misc{grantable_954194427_2026,
author = {{Grantable}},
title = {{I S Wong Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/i-s-wong-foundation-morg_3e9735ecd2094289a2d506211be3680e},
note = {Accessed 2026-10-11. 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 I S Wong 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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