The Winterburn Foundation
Preselected recipients only
The Winterburn Foundation is a private foundation in New York, New York. In tax year 2025 it gave $500,000 in 1 grant; the typical grant was $500,000 and the largest $500,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$500,000
- Number of grants1
- Typical grant$500,000
- Largest grant$500,000
- Assets$3.0 million
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $0 | 0 | $3.1 million |
| 2024 | $0 | 0 | $3.1 million |
| 2025 | $500,000 | 1 | $3.0 million |
How to apply
The Winterburn Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What The Winterburn Foundation funds
Where it gives
All of its grants went to recipients in New York.
| State | Grants | Amount |
|---|---|---|
| New York | 1 | $500,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| International Rescue Committee | Providing healthcare and clean water, protective services for women and children, education, and economic support | $500,000 |
Officers and trustees
- Alexandra M Rockefeller
Questions people ask
Does The Winterburn Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does The Winterburn Foundation give?
$500,000 in tax year 2025, across 1 grant, with a typical grant of $500,000.
Who runs The Winterburn Foundation?
Its 2025 filing lists Alexandra M Rockefeller (President).
What does The Winterburn Foundation fund?
Based on its grants, mainly education, environment and conservation and health.