Tang Foundation
Tang Foundation is a private foundation focused on Human Services, based in Walnut Creek, CA. IRS filing data is available from 2024 through 2025. As of 2025, the organization holds $609K in total assets. In 2025, it awarded 4 grants totaling $84K. Net investment income was $410K.
Tang Foundation at a glance
In short: Tang Foundation gave $84K across 4 grants in 2025 (avg $21K), mostly in Rhode Island. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $83,737
- +402.8% vs 2024
- Grants made (2025)
- 4
- +300.0% vs 2024
- Average grant
- $20,934
- +25.7% vs 2024
- Median grant
- $14,031
- Total assets
- $609,063
- +116.3% vs 2024
- Primary geography
- Rhode Island (100% 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 Tang Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Brown University ($84K across 4 grants).
Grant Size Distribution
5 grants across all recorded years
The most common grant size was under $50K: 4 grants of 5 (80%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 4 itemized grants.
States
Cities
How Tang Foundation gives
- In 2025 it paid out 611% 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 2024 to 2025, annual grant giving ranged from $17K (2024) to $84K (2025). In 2025 it made 4 grants totaling $84K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Brown University Providence, RI | Support for applied mathematics education and research through Brown University Applied Mathematics Discretionary Fund | $50,000 |
| Brown University Providence, RI | Support for applied mathematics education and research through Brown University Applied Mathematics Discretionary Fund | $22,061 |
| Brown University Providence, RI | Support for applied mathematics education and research through Brown University Applied Mathematics Discretionary Fund | $6,000 |
| Brown University Providence, RI | Support for applied mathematics education and research through Brown University Applied Mathematics Discretionary Fund | $5,676 |
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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 | $609,063 | $442,893 | $92,335 | $83,737 | 4 | $85,835 | $409,795 | $14,042 |
| 2024 | $281,592 | $301,182 | $29,540 | $16,653 | 1 | $16,653 | — | $3,321 |
Under IRS private-foundation payout rules, Tang Foundation reported a distributable amount of $14K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Tang Foundation is led by Yuhang Tang, CEO Director since 2025 (on filings since 2024); none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Yuhang Tang
CEO Director
Manager & Director → CEO Director, 2025
On filings since 2024
5 hrs/week
No compensation reported
Yinjia Zhang
CFO Director
Secretary → CFO Director, 2025
On filings since 2024
15 hrs/week
No compensation reported
Yingchun Bu
Director
New on the 2025 filing
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2024–2025. "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 Tang Foundation
How much does Tang Foundation give each year?
Tang Foundation gave $84K across 4 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $17K across 1 grant.
What is Tang Foundation's typical grant size?
Tang Foundation's median grant in 2025 was $14,031, and its average grant was $20,934, across 4 grants on its 2025 IRS Form 990-PF.
Where does Tang Foundation give grants?
Tang Foundation gives mostly in Rhode Island: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Providence, RI (4 grants).
Does Tang Foundation give general operating support?
Not in 2025: none of the 4 grants with a stated purpose on Tang Foundation's 2025 IRS Form 990-PF were described as general or operating support.
How large is Tang Foundation?
Tang Foundation reported $609K in total assets on its 2025 IRS Form 990-PF. It paid out $86K in qualifying distributions that year, against a required minimum of $14K (roughly 5% of its investment assets).
What is Tang Foundation?
Tang Foundation is a private foundation focused on Human Services, based in Walnut Creek, CA. It holds $609K in total assets as of 2025.
What is Tang Foundation's EIN?
Tang Foundation's EIN (Employer Identification Number) is 32-0780914. IRS Form 990 filing data is available on this page for 2024–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS April 9, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 30, 2026)
- IRS filings on file for fiscal year 2024
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