John Winthrop Charitable Trust
The John Winthrop Charitable Trust is a private foundation based in Charleston, South Carolina, established in 1979. As a 501(c)(3) organization, it operates as a grantmaking foundation with no employees, managed by trustees who serve without compensation.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$4.4M
-8.4% YoY
Annual Giving
$649K
+160.1% YoY
Grant Count
39
-18.8% YoY
Avg Grant Size
$17K
+220.1% YoY
Mission & Focus Areas
The trust's purpose is to provide grants from income generated through interest earned on savings and temporary cash investment funds, dividends earned from securities funds, and income from the sale of investments.
The foundation's primary funding areas include:
- Arts and culture
- Education
- Human services
- General public use park space
Grantmaking
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Geographic Focus
Where this funder awards grants
The John Winthrop Charitable Trust supports organizations across multiple U.S. states and cities, including:
- South Carolina (primary focus)
- Massachusetts
- New York
- Additional states: Alabama, California, Connecticut, Delaware, Florida, Illinois, Maryland, North Carolina, Pennsylvania, Virginia, and Washington
- Major urban centers including Boston, New York, Chicago, and Seattle, as well as smaller communities
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
Assets & Revenue (2024):
- Total assets: $4,798,176
- Total revenues: $837,959
- Total expenses: $316,891
Assets (2025):
- Total assets: $4,393,141
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $4,393,141 | $4,798,176 | $4,273,942 |
| Revenue | $325,282 | $837,959 | $746,788 |
| Expenses | $727,151 | $316,891 | $299,696 |
| Qualifying Distributions | $653,904 | $253,383 | $230,628 |
| Net Investment Income | $89,408 | $781,824 | $654,104 |
| Distributable Amount | $507,381 | $427,543 | $368,194 |
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 2025
Grant Size Distribution
237 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 trust is managed by trustees John Winthrop and John Winthrop Jr., both of whom serve without compensation.
Compensation Overview
From 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| JOHN WINTHROP | TRUSTEE | — | — |
| JOHN WINTHROP JR | TRUSTEE | — | — |
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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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