JS Wu Foundation

Private foundation · Grantmaker Yorba Linda, CA EIN: 47-5433285

JS Wu Foundation is a private foundation, based in Yorba Linda, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $102K in total assets. In 2025, it awarded 2 grants totaling $37K. Net investment income was $51.

JS Wu Foundation at a glance

In short: JS Wu Foundation gave $37K across 2 grants in 2025 (avg $19K), mostly in Washington. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$37,000
+19.4% vs 2024
Grants made (2025)
2
+0.0% vs 2024
Average grant
$18,500
+19.4% vs 2024
Median grant
$18,500
Total assets
$101,836
+63.5% vs 2024
Primary geography
Washington (81% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated September 2026.

Who JS Wu Foundation funds

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

University of Washington: $30KUniversity of Washington$30KAlliance Cultural Foundation Intern: $7KAlliance Cultural FoundationIntern$7K

The largest 2025 recipient was University of Washington ($30K). Together the top 2 received $37K.

Grant Size Distribution

5 grants across all recorded years

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

The most common grant size was under $50K: 5 grants of 5 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of 2025 grant dollars across all 2 itemized grants.

Cities

SeattleBuena ParkEl MonteLibertyvilleRowland Heights

How JS Wu Foundation gives

  • In 2025 it paid out well above its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$10K$20K$30K$40K2 grants2019 2 grants2020 1 grant2021 0 grants2022 0 grants2023 2 grants2024 2 grants2025

From 2019 to 2025, annual grant giving ranged from $20K (2021) to $40K (2019). In 2025 it made 2 grants totaling $37K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
University of Washington Seattle, WAEducation$30,000
Alliance Cultural Foundation Intern Rowland Heights, CACharity$7,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$101,836$80,051$40,503$37,0002$37,000$51$3,001
2024$62,288$436$34,405$31,0002$31,000$406$4,212
2023$96,257$2,096$3,118———$2,096$4,674
2022$97,279$65$3,277———$65$4,921
2021$100,491$167$23,000$20,0001$20,000$167$5,701
2020$123,324$715$23,560$20,5002—$715$6,809
2019$146,169—$43,010$40,0002——$7,931

Under IRS private-foundation payout rules, JS Wu Foundation reported a distributable amount of $3K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

JS Wu Foundation is led by Wen Jong Wu, President on every filing since 2019 — the only officer listed, and uncompensated.

Officers on the 2025 filing

  • Wen Jong Wu

    President

    On filings since 2019

    2 hrs/week

    No compensation reported

Former officers (1)
  • Former: Andrew Wu (2019) — 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.

Frequently asked questions about JS Wu Foundation

How much does JS Wu Foundation give each year?

JS Wu Foundation gave $37K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $31K across 2 grants.

How large is JS Wu Foundation?

JS Wu Foundation reported $102K in total assets on its 2025 IRS Form 990-PF. It paid out $37K in qualifying distributions that year, against a required minimum of $3K (roughly 5% of its investment assets).

Where does JS Wu Foundation operate?

JS Wu Foundation has awarded grants in California, Illinois, Washington.

What is JS Wu Foundation's EIN?

JS Wu Foundation's EIN (Employer Identification Number) is 47-5433285. IRS Form 990 filing data is available on this page for 2019–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(7)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2024 (received by the IRS April 21, 2025)
  2. Updated Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
  3. Added Form 990-PF for fiscal year 2019 (received by the IRS May 12, 2020)
  4. Updated Form 990-PF for fiscal year 2020 (received by the IRS April 16, 2021)
  5. Updated Form 990-PF for fiscal year 2021 (received by the IRS April 25, 2022)
  6. Updated Form 990-PF for fiscal year 2022 (received by the IRS February 22, 2023)
  7. Updated Form 990-PF for fiscal year 2023 (received by the IRS March 4, 2024)

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from JS Wu 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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