The Tang Fund
The Tang Fund is a private foundation based in New York, NY. Its 2025 filing reports 71 grants totaling $17,935,511, including support for museums, arts organizations, schools, colleges, and other charitable organizations.
Key facts about The Tang Fund
In short: The Tang Fund gave $17.9M across 71 grants in 2025 (avg $253K), mostly in New York. 17% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- EIN
- 38-3973256
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $17,935,511
- Grants made (2025)
- 71
- Average grant
- $252,613
- Median grant
- $5,000
- New grantees (estimate)
- 17% first-time grantees (12 of 71, 2025)
- Total assets
- $38,837,287
- Primary geography
- New York (93% of itemized 2025 grant dollars)
- Accepts unsolicited proposals
- No
- How to apply
- The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Full details ↓
Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$38.8M
-28.1% YoY
Annual Giving
$17.9M
+130.8% YoY
Grant Count
71
-16.5% YoY
Avg Grant Size
$253K
+176.3% YoY
Under IRS private-foundation payout rules, The Tang Fund reported a distributable amount of $6.7M for 2025 — the minimum it must pay out in qualifying distributions.
Is The Tang Fund open to new grantees?
17%
first-time grantees, 2025
In 2025, 12 of 71 grantees (17%) were first-time recipients. First grants averaged $23K; repeat grants $299K. How we count
Medians: $8K first-time, $5K repeat.
- 80% of 2025 grantees were also funded in 2024. Method
- Giving grew 157% from 2022 to 2025. Method
- In 2025 it paid out 268% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Mission & Focus Areas
The available filing information does not state a mission for the fund. Its 2025 grants show support for organizations working in areas including education, arts and culture, food systems, and public understanding of plants and the natural world. These are grantees’ stated missions, not stated priorities of the fund: for example, Rethink Food USA says it works to create a sustainable, equitable, and nutritious food system, while the New York Botanical Garden describes its work as plant research and improving public understanding of the natural world.
Grantmaking
In 2025, the fund reported 71 grants totaling $17,935,511. Grant amounts ranged from $100 to $10,000,000, with a median grant of $5,000. The largest reported grants included $10,000,000 to The Metropolitan Museum of Art, $2,255,680 to New-York Historical Society, and $2,029,998 to New York Philharmonic. Other grants included $630,000 to The Masters School, $520,000 to Skidmore College, and $403,500 to Committee of 100 Inc. The filing listed the purposes of these grants as charitable.
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Geographic Focus
Where this funder awards grants
In 2025, the largest share of grant dollars went to recipients in New York (93%). The filing also reports shares for Massachusetts (3%), Connecticut (2%), Colorado (2%), and Pennsylvania (1%). The reported shares total 101%.
Grant Distribution by State
Share of 2025 grant dollars across all 71 itemized grants.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $4.6M (2019) to $17.9M (2025). In 2025 it made 71 grants totaling $17.9M.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was The Metropolitan Museum of Art ($10.0M). Together the top 10 received $17.0M.
Grant Size Distribution
389 grants across all recorded years
The most common grant size was under $50K: 311 grants of 389 (80%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Metropolitan Museum of Art New York, NY | Charitable | $10,000,000 |
| New-York Historical Society New York, NY | Charitable | $2,255,680 |
| New York Philharmonic New York, NY | Charitable | $2,029,998 |
| The Masters School Dobbs Ferry, NY | Charitable | $630,000 |
| Skidmore College Saratoga Springs, NY | Charitable | $520,000 |
| Committee of 100 Inc New York, NY | Charitable | $403,500 |
| Trustees of Deerfield Academy Deerfield, MA | Charitable | $400,000 |
| Yale University New Haven, CT | Charitable | $320,000 |
| Rethink Food USA Inc New York, NY | Charitable | $248,648 |
| New York Botanical Garden Bronx, NY | Charitable | $197,000 |
Financial History
Multi-year comparison from IRS filings
| Filing year | Assets | Revenue | Expenses | Grants | Grant count |
|---|---|---|---|---|---|
| 2025 | $38,837,287 | $3,036,108 | $18,246,059 | $17,935,511 | 71 |
| 2024 | $54,014,575 | $20,199,325 | $8,109,599 | $7,772,160 | 85 |
| 2023 | $43,613,253 | $4,645,639 | $7,365,434 | $7,020,186 | 82 |
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $38,837,287 | $54,014,575 | $43,613,253 |
| Revenue | $3,036,108 | $20,199,325 | $4,645,639 |
| Expenses | $18,246,059 | $8,109,599 | $7,365,434 |
| Qualifying Distributions | $17,941,253 | $7,777,447 | $7,027,834 |
| Net Investment Income | $2,810,120 | $6,039,045 | $4,420,765 |
| Distributable Amount | $6,698,160 | $6,246,156 | $5,811,247 |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS July 26, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS July 30, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS July 18, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS July 27, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS July 31, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS August 1, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS July 22, 2026)
- IRS filings on file for fiscal years 2019–2024
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Oscar L Tang as president; Hsin-Mei Agnes Hsu as director/vice president; Gwenn S Winkhaus as secretary/treasurer; and Catherine L Wornom as assistant secretary.
The Tang Fund is led by Oscar L. Tang, President on every filing since 2019; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Oscar L. Tang
President
On filings since 2019
2 hrs/week
No compensation reported
Hsin-Mei Agnes Hsu
Director & Vice President
On filings since 2019
1 hr/week
No compensation reported
Catherine L. Wornom
Assistant Secretary
On filings since 2019
2 hrs/week
No compensation reported
Gwenn S. Winkhaus
Secretary & Treasurer
On filings since 2019
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Contact
Mailing address: 551 Fifth Ave 33Fl, New York, NY 10176
Phone: (646) 701-6084
Frequently asked questions about The Tang Fund
How much does The Tang Fund give each year?
The Tang Fund gave $17.9M across 71 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $7.8M across 85 grants.
What is The Tang Fund's typical grant size?
The Tang Fund's median grant in 2025 was $5,000, and its average grant was $252,613, across 71 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Tang Fund that year got $23K on average.
Where does The Tang Fund give grants?
The Tang Fund gives mostly in New York: 93% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were New York, NY (26 grants), Avon, CO (3 grants), Philadelphia, PA (2 grants) and Denver, CO (2 grants).
Does The Tang Fund give general operating support?
Not in 2025: none of the 71 grants with a stated purpose on The Tang Fund's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable" (71 grants).
Who are The Tang Fund's largest grantees?
The Tang Fund's largest 2025 grantees include The Metropolitan Museum of Art ($10,000,000), New-York Historical Society ($2,255,680) and New York Philharmonic ($2,029,998), according to its 2025 IRS Form 990-PF. Together they received 80% of its itemized 2025 grant dollars.
How large is The Tang Fund?
The Tang Fund reported $38.8M in total assets on its 2025 IRS Form 990-PF. It paid out $17.9M in qualifying distributions that year, against a required minimum of $6.7M (roughly 5% of its investment assets).
What does The Tang Fund fund?
The available filing information does not state a mission for the fund. Its 2025 grants show support for organizations working in areas including education, arts and culture, food systems, and public understanding of plants and the natural world. See mission & focus areas ↑
How do I apply for a grant from The Tang Fund?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Tang Fund's EIN?
The Tang Fund's EIN (Employer Identification Number) is 38-3973256. IRS Form 990 filing data is available on this page for 2019–2025.
Does The Tang Fund accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
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