Aaron and Patricia Blumberg Foundation
Preselected recipients only
Aaron and Patricia Blumberg Foundation is a private foundation in Wilmington, Delaware. In tax year 2025 it gave $431,500 in 27 grants; the typical grant was $10,000 and the largest $50,000. 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$431,500
- Number of grants27
- Typical grant$10,000
- Largest grant$50,000
- Assets$1.5 million
- New grantees4%
Giving in 2025 was up from $429,000 the year before.
4% of its 2025 grantees had not received a grant from it the year before, so most of its money goes to organizations it already funds.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $266,000 | 20 | $2.1 million |
| 2024 | $429,000 | 27 | $1.9 million |
| 2025 | $431,500 | 27 | $1.5 million |
How to apply
Aaron and Patricia Blumberg 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 Aaron and Patricia Blumberg Foundation funds
Where it gives
Its grants went to recipients in 11 states, the most to District of Columbia.
| State | Grants | Amount |
|---|---|---|
| District of Columbia | 6 | $175,000 |
| California | 4 | $50,000 |
| Virginia | 1 | $50,000 |
| Pennsylvania | 6 | $33,000 |
| Georgia | 1 | $25,000 |
| Maryland | 1 | $25,000 |
| New York | 1 | $25,000 |
| Washington | 1 | $15,000 |
| New Jersey | 3 | $13,500 |
| Massachusetts | 2 | $10,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| African Wildlife Foundation | General & Unrestricted | $50,000 |
| Greenpeace Fund Inc | General & Unrestricted | $50,000 |
| Sea Shepherd Conservation Society | General & Unrestricted | $50,000 |
| World Wildlife Fund Inc | General & Unrestricted | $30,000 |
| Amnesty International of the USA Inc | General & Unrestricted | $25,000 |
| Medecins Sans Frontieres USA Inc | General & Unrestricted | $25,000 |
| The David Sheldrick Wildlife Trust USA | General & Unrestricted | $25,000 |
| The Dian Fossey Gorilla Fund International | General & Unrestricted | $25,000 |
| World Central Kitchen Incorporated | General & Unrestricted | $25,000 |
| Big Life Foundation USA | General & Unrestricted | $15,000 |
| Center for Biological Diversity Inc | General & Unrestricted | $10,000 |
| Endangered Species International | General & Unrestricted | $10,000 |
| Jane Goodall Institute for Wildlife Research Educa | General & Unrestricted | $10,000 |
| Ocean Conservancy Inc | General & Unrestricted | $10,000 |
| Ronald McDonald House Charities of the Philadelphi | General & Unrestricted | $10,000 |
| Wildlife Conservation Network Inc | General & Unrestricted | $10,000 |
| Friends of Southern Ocean County Animal Shelter | General & Unrestricted | $7,500 |
| Delaware Riverkeeper Network | General & Unrestricted | $5,000 |
| Earthjustice | General & Unrestricted | $5,000 |
| International Fund for Animal Welfare Inc | General & Unrestricted | $5,000 |
| Pa Animal Protective Society & SPCA Inc | General & Unrestricted | $5,000 |
| Philadelphia Bar Foundation | General & Unrestricted | $5,000 |
| Union of Concerned Scientists Inc | General & Unrestricted | $5,000 |
| Zoological Society of Philadelphia | General & Unrestricted | $5,000 |
| Associated Humane Societies Inc | General & Unrestricted | $3,000 |
| Marine Mammal Stranding Center | General & Unrestricted | $3,000 |
| Overbrook School for the Blind | General & Unrestricted | $3,000 |
Officers and trustees
- Patricia Blumberg
- Amanda Marsted
Questions people ask
Does Aaron and Patricia Blumberg Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Aaron and Patricia Blumberg Foundation give?
$431,500 in tax year 2025, across 27 grants, with a typical grant of $10,000.
Who runs Aaron and Patricia Blumberg Foundation?
Its 2025 filing lists Patricia Blumberg (Dir, Pres) and Amanda Marsted (Sec).
What does Aaron and Patricia Blumberg Foundation fund?
Based on its grants, mainly environment and conservation, international and animals.