Song Duan Foundation
Song Duan Foundation is a private foundation, based in Fremont, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $409K in total assets. In 2025, it awarded 1 grant totaling $3K.
Song Duan Foundation at a glance
In short: Song Duan Foundation gave $3K across 1 grant in 2025 (avg $3K), mostly in Missouri. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $3,000
- +0.0% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $3,000
- +0.0% vs 2024
- Median grant
- $3,000
- Total assets
- $409,268
- -1.0% vs 2024
- Primary geography
- Missouri (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
Who Song Duan Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Washington University School of Med ($3K).
Grant Size Distribution
7 grants across all recorded years
The most common grant size was under $50K: 7 grants of 7 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How Song Duan Foundation gives
- Giving fell 82% from 2022 to 2025. Method
- 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
From 2019 to 2025, annual grant giving ranged from $3K (2023) to $21K (2019). In 2025 it made 1 grant totaling $3K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Washington University School of Med St. Louis, MO | To encourage scientists and research-oriented faculty from diverse backgrounds to further develop their research skills and gain experience in advanced methods and experimental approaches in basic and applied sciences relevant to heart, lung, blood, and sleep disorders. | $3,000 |
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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 | $409,268 | $3,000 | $7,160 | $3,000 | 1 | $3,205 | — | $108 |
| 2024 | $413,427 | $3,500 | $7,322 | $3,000 | 1 | $3,367 | — | $120 |
| 2023 | $417,255 | $3,000 | $7,145 | $3,000 | 1 | $3,190 | — | $123 |
| 2022 | $421,400 | $17,000 | $20,808 | $16,400 | 2 | $16,853 | — | $294 |
| 2021 | $425,208 | $18,000 | $20,549 | $16,400 | 2 | — | — | $202 |
| 2020 | $427,757 | $938 | $22,940 | $18,525 | 4 | — | $938 | $335 |
| 2019 | $449,759 | $22,888 | $29,966 | $21,400 | 3 | — | $1,488 | $979 |
Under IRS private-foundation payout rules, Song Duan Foundation reported a distributable amount of $108 for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Song Duan Foundation is led by James J. Song, President & CEO on every filing since 2019; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
James J. Song
President & CEO
On filings since 2019
1 hr/week
No compensation reported
Linda Duan
Secretary
On filings since 2019
1 hr/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 Song Duan Foundation
How much does Song Duan Foundation give each year?
Song Duan Foundation gave $3K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $3K across 1 grant.
How large is Song Duan Foundation?
Song Duan Foundation reported $409K in total assets on its 2025 IRS Form 990-PF. It paid out $3K in qualifying distributions that year, against a required minimum of $108 (roughly 5% of its investment assets).
Where does Song Duan Foundation operate?
Song Duan Foundation has awarded grants in California, Michigan, Missouri.
What is Song Duan Foundation's EIN?
Song Duan Foundation's EIN (Employer Identification Number) is 41-2186211. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS February 10, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS July 26, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 2, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS February 10, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS February 7, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS February 4, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS January 13, 2026)
- IRS filings on file for fiscal years 2019–2025
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