The Duffield Family Foundation
Grantmaking foundation in Pleasanton, California · EIN 94-3362163
- Grants itemized on the 990
- $19MTax year 2025
- Grants made
- 183Tax year 2025
- Total assets
- $280MLatest reported
- Latest IRS filing
- 2025Form 990 / 990-PF
Mission
NATIONAL PARTNERSHIPS - WE FUNDED A NUMBER OF STRATEGIC NATIONAL PARTNERSHIPS AGAIN THIS YEAR, INCLUDING HUMAN ANIMAL SUPPORT SERVICES AND MADDIE'S MILLION PET CHALLENGE PROJECTS. WE APPROVED 27 NEW PARTNERSHIP GRANTS THIS YEAR.
Giving by year
Totals by tax year, rounded to two significant figures. Years without a reported total show the sum of grants itemized on the filing.
Top recipients
| Recipient | Amount | Tax year |
|---|---|---|
| University of Wisconsin-Madison | $2.9M | 2025 |
| Humane Rescue Alliance | $1.5M | 2025 |
| Companions and Animals for Reform and Equity | $1.5M | 2025 |
| San Francisco Spca | $1.2M | 2025 |
| Uc Davis Foundation | $1.1M | 2025 |
Amounts are rounded. The full grantee list (183 grants in 2025) is available with a free account.
Website: www.maddiesfund.org
See the full profile. All grants with amounts and years, board and officers, contact details, giving patterns and your organization's fit score are available with a free GrantAuthority account.
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Source: IRS Form 990 and 990-PF filings, tax year 2025. Also see this organization on ProPublica Nonprofit Explorer.