Tang Research Foundation

Private foundation · Grantmaker Skokie, IL EIN: 36-3857626

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.

Key facts about Tang Research Foundation

In short: Tang Research Foundation gave $457K across 5 grants in 2025 (avg $91K), mostly in Washington. Source: 2025 IRS Form 990-PF.

EIN
36-3857626
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$457,397
Grants made (2025)
5
Average grant
$91,479
Median grant
$46,750
Total assets
$6,971,833
Primary geography
Washington (66% of itemized 2025 grant dollars)

Data from IRS Form 990-PF, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$7.0M

+4.2% YoY

Annual Giving

$457K

+0.2% YoY

Grant Count

5

-16.7% YoY

Avg Grant Size

$91K

+20.2% YoY

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.

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.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

6states

Share of 2025 grant dollars across all 5 itemized grants.

Cities

BloomingtonSkokiePrincetonSeattleBirminghamBrunswickChicagoPortland

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K3 grants2020 4 grants2021 3 grants2022 4 grants2023 6 grants2024 5 grants2025

From 2020 to 2025, annual grant giving ranged from $457K (2024) to $552K (2022). In 2025 it made 5 grants totaling $457K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 5 recipients in 2025

University of Washington: $300KUniversity of Washington$300KIndiana University Exchange Program: $66KIndiana University ExchangeProgram$66KTang Yanjiu: $47KTang Yanjiu$47KTang Studies Society: $30KTang Studies Society$30KAncient Chinese grave stele confere: $15KAncient Chinese grave steleconfere$15K

The largest 2025 recipient was University of Washington ($300K). Together the top 5 received $457K.

Grant Size Distribution

22 grants across all recorded years

12<$50K4$50–100K2$100–250K4$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 12 grants of 22 (55%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
University of Washington Seattle, WAprofessorship grant$300,000
Indiana University Exchange Program Bloomington, INTo further the mission of the donee$65,772
Tang Yanjiu Skokie, ILTo further the mission of the donee$46,750
Tang Studies Society Skokie, ILTo further the mission of the donee$30,000
Ancient Chinese grave stele confere Skokie, ILTo further the mission of the donee$14,875

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$250K$500K$750K$1M2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$6,971,833$6,689,633$6,616,047
Revenue$845,147$601,460$376,569
Expenses$562,947$527,874$570,680
Qualifying Distributions$471,275$468,252$506,924
Net Investment Income$753,475$541,838$312,813
Distributable Amount$461,358$438,162$447,815

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS August 10, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS August 21, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS October 22, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS August 29, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS November 11, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 12, 2026)
  7. IRS filings on file for fiscal years 2020–2024

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.

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