Mostyn Foundation Inc
Mostyn Foundation Inc is a private foundation based in New York City, established in 1949 and incorporated in 1965. The foundation operates as a non-operating private foundation with a 501(c)(3) tax-exempt designation. It maintains offices at 1330 Avenue of The Americas, Floor 38, New York, NY 10019.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$5.5M
+4.7% YoY
Annual Giving
$396K
+7.3% YoY
Grant Count
31
-8.8% YoY
Avg Grant Size
$13K
+17.7% YoY
Mission & Focus Areas
The foundation's grantmaking focuses on a diverse range of areas including education, philanthropy and voluntarism, human services, marine conservation, environmental conservation, journalism and media, and animal welfare. The foundation makes contributions exclusively to preselected charitable organizations.
Grantmaking
Mostyn Foundation Inc distributes approximately $396,000 annually through approximately 30 grants. The foundation's grant range typically spans from $500 to $105,000, with a median grant size of approximately $9,748 to $10,000. Recent grant recipients have included Free Arts NYC ($40,000), Bonefish and Tarpon Trust ($25,000), and various other organizations across its funding priorities.
Grant Range
typically spans from $500 to $105,000, with a median grant size of approximately $9,748 to $10,000. Recent grant recipients have included Free Arts NYC ($40,000), Bonefish and Tarpon Trust ($25,000), and various other organizations across its funding priorities.
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Geographic Focus
Where this funder awards grants
The foundation primarily funds organizations in Florida and New York, with some activity in the District of Columbia.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of 2024:
- Total Assets: $5.47–$5.5 million
- Total Revenue: $705,416
- Total Expenses: $461,873–$451,873
- Total Giving: $396,000
- Giving Rate: 7.2–7.4% of assets
Revenue Composition (2024):
- Investment income and dividends: $132,851
- Net gain from sale of non-inventory assets: $572,565
Historical Asset Growth:
- 2011: $3.7 million
- 2023: $5.2 million
- 2024: $5.47–$5.5 million
The foundation has no liabilities and maintains zero employees.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $5,468,299 | $5,224,755 | $5,235,525 |
| Revenue | $705,416 | $425,614 | $761,428 |
| Expenses | $461,873 | $436,384 | $471,678 |
| Qualifying Distributions | $396,000 | $369,000 | $390,000 |
| Net Investment Income | $639,543 | $358,230 | $679,750 |
| Distributable Amount | $450,786 | $350,163 | $365,831 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
172 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
The foundation is governed by five officers and trustees:
- Arthur B Choate — President (1 hour per week)
- Nicholas E Christin — Secretary (0.5 hours per week)
- Timothy S Choate — Trustee (0.5 hours per week)
- Stephanie O Choate — Trustee (0.5 hours per week)
- Bart Johnston — Treasurer (0.5 hours per week)
The foundation's principal officer is listed as James C Edwards & Co.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| ARTHUR B CHOATE | PRESIDENT | 1 | — |
| NICHOLAS E CHRISTIN | SECRETARY | 0.5 | — |
| TIMOTHY S CHOATE | TRUSTEE | 0.5 | — |
| STEPHANIE O CHOATE | TRUSTEE | 0.5 | — |
| BART JOHNSTON | TREASURER | 0.5 | — |
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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