Samstone Foundation
Samstone Foundation is a private foundation, based in Old Greenwich, CT. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $1.4M in total assets. In 2025, it made $102K in qualifying distributions. Net investment income was $105K.
Samstone Foundation at a glance
- Total assets
- $1,405,135
- +0.3% vs 2024
- Revenue (2025)
- $122,727
- -7.7% vs 2024
- Qualifying distributions (2025)
- $102,338
- -52.8% vs 2024
- Expenses (2025)
- $116,829
- -49.3% vs 2024
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Samstone Foundation funds
How this funder distributes its grants
Grant Size Distribution
4 grants across all recorded years
The most common grant size was in the $100–250K range: 3 grants of 4 (75%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
How Samstone Foundation gives
- Giving held roughly steady from 2021 to 2024 (+0%). 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 2019 to 2024, annual grant giving ranged from $80K (2023) to $150K (2019). In 2024 it made 1 grant totaling $100K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Princeton University Princeton, NJ | General Support | $100,000 |
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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 | $1,405,135 | $122,727 | $116,829 | — | — | $102,338 | $105,001 | — |
| 2024 | $1,400,307 | $132,913 | $230,423 | $100,000 | 1 | $216,707 | $110,948 | — |
| 2023 | $1,497,674 | $50,092 | $194,856 | $80,000 | 1 | $182,278 | $34,114 | — |
| 2022 | $1,642,608 | $8,403 | $211,172 | $100,000 | 1 | $200,822 | $30,431 | — |
| 2021 | $1,845,596 | $249,010 | $189,739 | $100,000 | 1 | $182,800 | $236,841 | — |
| 2020 | $1,786,915 | $67,559 | $182,147 | $85,000 | 1 | — | $45,221 | — |
| 2019 | $1,901,505 | $99,129 | $190,970 | $150,000 | 1 | — | $74,443 | $96,999 |
Leadership & Key People
Officers and directors from IRS filings
Samstone Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Hyungkwon Kim
Trustee
On filings since 2019
No compensation reported
Yoonsoo Choi
Trustee
On filings since 2019
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.
Frequently asked questions about Samstone Foundation
How large is Samstone Foundation?
Samstone Foundation reported $1.4M in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $123K.
Where does Samstone Foundation operate?
Samstone Foundation has awarded grants in New Jersey.
What is Samstone Foundation's EIN?
Samstone Foundation's EIN (Employer Identification Number) is 47-6586278. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS April 22, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS April 29, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Samstone Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Samstone Foundation's focus areas in our free grants database
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Figures come from Samstone Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
Samstone Foundation down — hundreds of funders to go?