Tang Research Foundation
Tang Research Foundation is a private foundation, based in Skokie, IL. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $7.0M in total assets. In 2025, it awarded 5 grants totaling $457K. Net investment income was $753K.
Tang Research Foundation at a glance
In short: Tang Research Foundation gave $457K across 5 grants in 2025 (avg $91K), mostly in Washington. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $457,397
- +0.2% vs 2024
- Grants made (2025)
- 5
- -16.7% vs 2024
- Average grant
- $91,479
- +20.2% vs 2024
- Median grant
- $46,750
- Total assets
- $6,971,833
- +4.2% vs 2024
- Primary geography
- Washington (66% 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 Research Foundation funds
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2025
The largest 2025 recipient was University of Washington ($300K). Together the top 5 received $457K.
Grant Size Distribution
22 grants across all recorded years
The most common grant size was under $50K: 12 grants of 22 (55%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 5 itemized grants.
Cities
How Tang Research Foundation gives
- Giving held roughly steady from 2022 to 2025 (−17%). Method
- In 2025 it paid out 102% 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 $457K (2024) to $552K (2022). In 2025 it made 5 grants totaling $457K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Washington Seattle, WA | professorship grant | $300,000 |
| Indiana University Exchange Program Bloomington, IN | To further the mission of the donee | $65,772 |
| Tang Yanjiu Skokie, IL | To further the mission of the donee | $46,750 |
| Tang Studies Society Skokie, IL | To further the mission of the donee | $30,000 |
| Ancient Chinese grave stele confere Skokie, IL | To further the mission of the donee | $14,875 |
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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 | $6,971,833 | $845,147 | $562,947 | $457,397 | 5 | $471,275 | $753,475 | $461,358 |
| 2024 | $6,689,633 | $601,460 | $527,874 | $456,573 | 6 | $468,252 | $541,838 | $438,162 |
| 2023 | $6,616,047 | $376,569 | $570,680 | $495,606 | 4 | $506,924 | $312,813 | $447,815 |
| 2022 | $6,810,158 | $272,049 | $632,347 | $551,666 | 3 | $553,955 | $193,657 | $473,117 |
| 2021 | $7,170,456 | $847,271 | $604,474 | $520,540 | 4 | $522,776 | $722,992 | $538,060 |
| 2020 | $6,927,659 | $630,253 | $552,528 | $480,977 | 3 | — | $561,110 | $464,476 |
Under IRS private-foundation payout rules, Tang Research Foundation reported a distributable amount of $461K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Tang Research Foundation is led by Luou Xin, President on every filing since 2020; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Luou Xin
President
On filings since 2020
10 hrs/week
No compensation reported
Mark Lam
Managing Director
On filings since 2020
10 hrs/week
No compensation reported
Andrew Eisenberg
COO
On filings since 2020
15 hrs/week
No compensation reported
Jason Steuber
Secretary
On filings since 2020
10 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 Tang Research Foundation
How much does Tang Research Foundation give each year?
Tang Research Foundation gave $457K across 5 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $457K across 6 grants.
What is Tang Research Foundation's typical grant size?
Tang Research Foundation's median grant in 2025 was $46,750, and its average grant was $91,479, across 5 grants on its 2025 IRS Form 990-PF.
Where does Tang Research Foundation give grants?
Tang Research Foundation gives mostly in Washington: 66% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Illinois (20%) and Indiana (14%). The most frequent recipient cities were Skokie, IL (3 grants).
Does Tang Research Foundation give general operating support?
Not in 2025: none of the 5 grants with a stated purpose on Tang Research Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "To further the mission of the donee" (4 grants).
Who are Tang Research Foundation's largest grantees?
Tang Research Foundation's largest 2025 grantees include University of Washington ($300,000), Indiana University Exchange Program ($65,772) and Tang Yanjiu ($46,750), according to its 2025 IRS Form 990-PF. Together they received 90% of its itemized 2025 grant dollars.
How large is Tang Research Foundation?
Tang Research Foundation reported $7.0M in total assets on its 2025 IRS Form 990-PF. It paid out $471K in qualifying distributions that year, against a required minimum of $461K (roughly 5% of its investment assets).
What is Tang Research Foundation's EIN?
Tang Research Foundation's EIN (Employer Identification Number) is 36-3857626. 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 August 10, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS August 21, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS October 22, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS August 29, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS November 11, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 12, 2026)
- IRS filings on file for fiscal years 2020–2024
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