Nancy and Geoffrey Stack Family Foundation
Preselected recipients only
Nancy and Geoffrey Stack Family Foundation is a private foundation in Newport Beach, California. In tax year 2025 it gave $1.1 million in 15 grants; the typical grant was $10,000 and the largest $825,000. 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$1.1 million
- Number of grants15
- Typical grant$10,000
- Largest grant$825,000
- Assets$0
- New grantees33%
Giving in 2025 was down from $3.3 million the year before.
33% of its 2025 grantees had not received a grant from it the year before, a mix of repeat and new grantees.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $1.6 million | 19 | $0 |
| 2024 | $3.3 million | 22 | $0 |
| 2025 | $1.1 million | 15 | $0 |
How to apply
Nancy and Geoffrey Stack Family 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 Nancy and Geoffrey Stack Family Foundation funds
Where it gives
Its grants went to recipients in 4 states, the most to California.
| State | Grants | Amount |
|---|---|---|
| California | 11 | $1.1 million |
| District of Columbia | 2 | $35,000 |
| Pennsylvania | 1 | $25,000 |
| Virginia | 1 | $10,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Uc San Diego Foundation | General support | $825,000 |
| Cystinosis Research Foundation | General support | $100,000 |
| Laura's House | General support | $50,000 |
| Georgetown University Scholarship | General support | $25,000 |
| Achieve | General support | $25,000 |
| University of Pennsylvania | General support | $25,000 |
| The Wooden Floor | General support | $15,000 |
| Uli Foundation | General support | $10,000 |
| Habitat for Humanity | General support | $10,000 |
| Marine Corps Scholarship Foundation | General support | $10,000 |
| Segerstrom Center for the Arts | General support | $10,000 |
| Orange County Community Foundation | General support | $5,000 |
| Uc Berkeley Foundation | General support | $5,000 |
| City of Hope | General support | $5,000 |
| Dawn Redwoods Charitable Trust | General support | $500 |
Officers and trustees
- Nancy Stack
- Geoffrey L Stack
Questions people ask
Does Nancy and Geoffrey Stack Family Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Nancy and Geoffrey Stack Family Foundation give?
$1.1 million in tax year 2025, across 15 grants, with a typical grant of $10,000.
Who runs Nancy and Geoffrey Stack Family Foundation?
Its 2025 filing lists Nancy Stack (Trustee) and Geoffrey L Stack (Trustee).
What does Nancy and Geoffrey Stack Family Foundation fund?
Based on its grants, mainly education.