Zairen and Beibei Sun Foundation Inc
Zairen and Beibei Sun Foundation Inc is a private foundation focused on Education, based in Potomac, MD. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $11.4M in total assets. In 2025, it awarded 1 grant totaling $1.0M. Net investment income was $395K.
Zairen and Beibei Sun Foundation Inc at a glance
In short: Zairen and Beibei Sun Foundation Inc gave $1.0M across 1 grant in 2025 (avg $1.0M), mostly in Maryland. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,000,000
- +100.0% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $1,000,000
- +100.0% vs 2024
- Median grant
- $1,000,000
- Total assets
- $11,416,728
- +5.0% vs 2024
- Primary geography
- Maryland (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 Zairen and Beibei Sun Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was University of Maryland ($1.0M).
Grant Size Distribution
5 grants across all recorded years
The most common grant size was in the $1–5M range: 3 grants of 5 (60%).
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 Zairen and Beibei Sun Foundation Inc gives
- Giving held roughly steady from 2022 to 2025 (−2%). Method
- In 2025 it paid out 185% 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 2021 to 2025, annual grant giving ranged from $500K (2024) to $1.0M (2022). In 2025 it made 1 grant totaling $1.0M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Maryland College Park, MD | To assist in the continuing educational purposes of the university | $1,000,000 |
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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 | $11,416,728 | $439,309 | $1,046,732 | $1,000,000 | 1 | $1,002,438 | $395,066 | $542,056 |
| 2024 | $10,874,872 | $217,707 | $548,363 | $500,000 | 1 | $503,662 | $178,773 | $515,195 |
| 2023 | $10,224,765 | $126,413 | $40,497 | — | — | $3,592 | $174,062 | $464,430 |
| 2022 | $8,874,281 | $222,851 | $1,046,658 | $1,020,000 | 2 | $1,023,250 | $199,443 | $462,998 |
| 2021 | $10,009,680 | $11,005,714 | $1,000,852 | $1,000,000 | 1 | $1,000,000 | $6,461 | $79,639 |
Under IRS private-foundation payout rules, Zairen and Beibei Sun Foundation Inc reported a distributable amount of $542K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Zairen and Beibei Sun Foundation Inc is led by Zairen Sun, President on every filing since 2021; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Zairen Sun
President
On filings since 2021
1 hr/week
No compensation reported
Beibei Li
Director
On filings since 2021
1 hr/week
No compensation reported
Billie Sun
Director
On filings since 2021
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "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 Zairen and Beibei Sun Foundation Inc
How much does Zairen and Beibei Sun Foundation Inc give each year?
Zairen and Beibei Sun Foundation Inc gave $1.0M across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $500K across 1 grant.
How large is Zairen and Beibei Sun Foundation Inc?
Zairen and Beibei Sun Foundation Inc reported $11.4M in total assets on its 2025 IRS Form 990-PF. It paid out $1.0M in qualifying distributions that year, against a required minimum of $542K (roughly 5% of its investment assets).
What is Zairen and Beibei Sun Foundation Inc?
Zairen and Beibei Sun Foundation Inc is a private foundation focused on Education, based in Potomac, MD. It holds $11.4M in total assets as of 2025.
Where does Zairen and Beibei Sun Foundation Inc operate?
Zairen and Beibei Sun Foundation Inc has awarded grants in Massachusetts, Maryland.
What is Zairen and Beibei Sun Foundation Inc's EIN?
Zairen and Beibei Sun Foundation Inc's EIN (Employer Identification Number) is 87-3400702. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS August 13, 2026)
- IRS filings on file for fiscal years 2021–2024
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