Sunlin and Priscilla Chou Foundation
Sunlin and Priscilla Chou Foundation is a private foundation, based in Battle Ground, WA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $17.0M in total assets. In 2025, it awarded 3 grants totaling $907K. Net investment income was $214K.
Sunlin and Priscilla Chou Foundation at a glance
In short: Sunlin and Priscilla Chou Foundation gave $907K across 3 grants in 2025 (avg $302K), mostly in Massachusetts. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $907,334
- +9.6% vs 2024
- Grants made (2025)
- 3
- +0.0% vs 2024
- Average grant
- $302,445
- +9.6% vs 2024
- Median grant
- $285,000
- Total assets
- $17,027,133
- +22.0% vs 2024
- Primary geography
- Massachusetts (63% 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 Sunlin and Priscilla Chou Foundation funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2025
The largest 2025 recipient was Massachusetts Institute of Technology ($572K). Together the top 3 received $907K.
Grant Size Distribution
18 grants across all recorded years
The most common grant size was in the $250–500K range: 7 grants of 18 (39%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 3 itemized grants.
Cities
How Sunlin and Priscilla Chou Foundation gives
- Giving fell 33% from 2022 to 2025. Method
- In 2025 it paid out 135% of 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 2020 to 2025, annual grant giving ranged from $828K (2024) to $1.3M (2022). In 2025 it made 3 grants totaling $907K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Massachusetts Institute of Technology Cambridge, MA | Transformative Research Fund | $572,334 |
| Stanford University Stanford, CA | Endowed Professorship | $285,000 |
| University of Washington Foundation Seattle, WA | Justice Equity Diversity Inclusion Fund | $50,000 |
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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 | $17,027,133 | $125,564 | $940,424 | $907,334 | 3 | $909,822 | $213,852 | $673,595 |
| 2024 | $13,951,200 | $195,139 | $861,336 | $827,700 | 3 | $829,322 | $386,179 | $909,762 |
| 2023 | $18,031,515 | $868,735 | $1,041,433 | $1,000,000 | 4 | $1,003,742 | $536,947 | $831,444 |
| 2022 | $14,396,720 | $229,349 | $1,386,961 | $1,347,440 | 5 | $1,347,549 | $918,490 | $1,079,530 |
| 2021 | $26,304,945 | $766,833 | $929,711 | $905,808 | 3 | — | $859,115 | $1,319,346 |
| 2020 | $25,037,922 | $10,484,308 | $1,281,036 | $1,258,000 | 4 | — | $654,077 | $1,313,593 |
Under IRS private-foundation payout rules, Sunlin and Priscilla Chou Foundation reported a distributable amount of $674K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Sunlin and Priscilla Chou Foundation is led by Sunwen Chou, President on every filing since 2020; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Sunwen Chou
President
On filings since 2020
2 hrs/week
No compensation reported
Emily Wong
Director
On filings since 2020
0.5 hrs/week
No compensation reported
Priscilla Chou
Secretary
On filings since 2020
2 hrs/week
No compensation reported
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.
Frequently asked questions about Sunlin and Priscilla Chou Foundation
How much does Sunlin and Priscilla Chou Foundation give each year?
Sunlin and Priscilla Chou Foundation gave $907K across 3 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $828K across 3 grants.
What is Sunlin and Priscilla Chou Foundation's typical grant size?
Sunlin and Priscilla Chou Foundation's median grant in 2025 was $285,000, and its average grant was $302,445, across 3 grants on its 2025 IRS Form 990-PF.
Where does Sunlin and Priscilla Chou Foundation give grants?
Sunlin and Priscilla Chou Foundation gives mostly in Massachusetts: 63% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were California (31%) and Washington (6%).
Does Sunlin and Priscilla Chou Foundation give general operating support?
Not in 2025: none of the 3 grants with a stated purpose on Sunlin and Priscilla Chou Foundation's 2025 IRS Form 990-PF were described as general or operating support.
How large is Sunlin and Priscilla Chou Foundation?
Sunlin and Priscilla Chou Foundation reported $17.0M in total assets on its 2025 IRS Form 990-PF. It paid out $910K in qualifying distributions that year, against a required minimum of $674K (roughly 5% of its investment assets).
What is Sunlin and Priscilla Chou Foundation's EIN?
Sunlin and Priscilla Chou Foundation's EIN (Employer Identification Number) is 20-3709951. IRS Form 990 filing data is available on this page for 2020–2025.
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
- Updated Form 990-PF for fiscal year 2020 (received by the IRS February 7, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS July 1, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS January 16, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS February 3, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS February 8, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 13, 2026)
- IRS filings on file for fiscal years 2020–2025
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