The Green River Foundation
The Green River Foundation is a private foundation, based in New York, NY. IRS filing data is available from 2021 through 2026. As of 2026, the organization holds $43K in total assets. In 2026, it awarded 3 grants totaling $102K. Net investment income was $67K.
The Green River Foundation at a glance
In short: The Green River Foundation gave $102K across 3 grants in 2026 (avg $34K), mostly in Georgia. Source: 2026 IRS Form 990-PF.
- Annual giving (2026)
- $102,082
- +53.1% vs 2025
- Grants made (2026)
- 3
- +50.0% vs 2025
- Average grant
- $34,027
- +2.1% vs 2025
- Median grant
- $50,000
- Total assets
- $43,324
- +45.1% vs 2025
- Primary geography
- Georgia (50% of itemized 2026 grant dollars)
- Latest 990 filing
- Form 990-PF, 2026 View filing
Data from IRS Form 990-PF, 2026; updated September 2026.
Who The Green River Foundation funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2026
The largest 2026 recipient was Georgia Tech Foundation Inc ($51K). Together the top 3 received $102K.
Grant Size Distribution
16 grants across all recorded years
The most common grant size was under $50K: 12 grants of 16 (75%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2026 grant dollars across all 3 itemized grants.
Cities
How The Green River Foundation gives
- Giving grew 717% from 2023 to 2026. Method
- In 2026 it paid out 553% 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 2026, annual grant giving ranged from $13K (2023) to $102K (2026). In 2026 it made 3 grants totaling $102K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Georgia Tech Foundation Inc Atlanta, GA | General Charitable Purposes | $51,082 |
| Choate Rosemary Hall Wallingford, CT | General Charitable Purposes | $50,000 |
| St George's School Middletown, RI | General Charitable Purposes | $1,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2026 | $43,324 | $68,799 | $106,282 | $102,082 | 3 | $104,132 | $66,849 | $18,834 |
| 2025 | $29,853 | $36,710 | $68,206 | $66,667 | 2 | $66,767 | $36,271 | $21,289 |
| 2024 | $61,349 | $52,030 | $63,209 | $62,680 | 7 | $62,780 | $51,601 | $16,786 |
| 2023 | $72,528 | $12,651 | $13,046 | $12,500 | 3 | $12,600 | $12,205 | $18,901 |
| 2022 | $72,923 | $10,661 | $50,520 | $50,000 | 1 | $50,000 | $10,241 | $21,712 |
| 2021 | $114,036 | $9,512 | $25,444 | $25,000 | 1 | — | $9,168 | $18,164 |
Under IRS private-foundation payout rules, The Green River Foundation reported a distributable amount of $19K for 2026 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Green River Foundation's 2026 filing lists 3 officers; none of the 3 officers listed in 2026 report compensation.
Officers on the 2026 filing
Charles B. Mayer Jr.
Trustee
On filings since 2021
1 hr/week
No compensation reported
John P. Curtin
Trustee
On filings since 2021
1 hr/week
No compensation reported
Thomas Francis Curtin III
Trustee
On filings since 2021
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2021–2026. "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 The Green River Foundation
How much does The Green River Foundation give each year?
The Green River Foundation gave $102K across 3 grants in 2026, according to its 2026 IRS Form 990-PF. In 2025 it gave $67K across 2 grants.
What is The Green River Foundation's typical grant size?
The Green River Foundation's median grant in 2026 was $50,000, and its average grant was $34,027, across 3 grants on its 2026 IRS Form 990-PF.
Where does The Green River Foundation give grants?
The Green River Foundation gives mostly in Georgia: 50% of the grant dollars itemized on its 2026 IRS Form 990-PF went to recipients there. The next largest state was Connecticut (49%).
Does The Green River Foundation give general operating support?
Yes: 100% of The Green River Foundation's 2026 grants with a stated purpose (3 of 3) were for general or operating support, per its 2026 IRS Form 990-PF.
How large is The Green River Foundation?
The Green River Foundation reported $43K in total assets on its 2026 IRS Form 990-PF. It paid out $104K in qualifying distributions that year, against a required minimum of $19K (roughly 5% of its investment assets).
What is The Green River Foundation's EIN?
The Green River Foundation's EIN (Employer Identification Number) is 13-3532021. IRS Form 990 filing data is available on this page for 2021–2026.
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 2026 (received by the IRS July 10, 2026)
- IRS filings on file for fiscal years 2021–2025
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