The Michael and Karen Stone Family Foundation Inc
Invitation OnlyWilmington, Delaware · EIN 05-0544633 · Private foundation
Grants paid (2024)$2.9M
Organizations funded38
Typical grant$25,000
Total assets$71.5M
Half of its grants to organizations were between $10,000 and $51,500.
From the return
How to apply
On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
100% of grants went outside Delaware.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Duke University | Durham, NC | General & Unrestricted | $1,150,000 |
| Bishops School | LA Jolla, CA | Capital Campaign | $250,000 |
| San Diego Museum of Art | San Diego, CA | General & Unrestricted | $250,000 |
| Wilderness Safaris Wildlife Trust | Rivonia Johannesburg, SF | Drought relief food program | $250,000 |
| Rady Childrens Hospital - San Diego | San Diego, CA | The President's Fund | $100,000 |
| Stanford University | Stanford, CA | General & Unrestricted | $100,000 |
| Harvard Business School | Boston, MA | HBS Fund | $62,500 |
| Big Brothers Big Sisters of San Diego County Inc | San Diego, CA | General & Unrestricted | $51,500 |
| Shelburne Farms | Shelburne, VT | General & Unrestricted | $51,500 |
| Voices for Children | San Diego, CA | General & Unrestricted | $51,500 |
| Bishops School | LA Jolla, CA | Annual Fund | $50,000 |
| Camp Southern Ground Inc | Fayetteville, GA | General & Unrestricted | $50,000 |
| Duke University | Durham, NC | Lemur Center Operations and Lemur Madagascar Programs | $50,000 |
| Regents of the University of Michigan | Ann Arbor, MI | General & Unrestricted | $50,000 |
| Duke University | Durham, NC | Fuqua Annual Fund and Fuqua Scholarship Fund | $45,000 |
| Charities Aid Foundation America | Alexandria, VA | Friends Fund: GAVI, The Vaccine Alliance | $30,000 |
| Lake Champlain Committee Inc | Burlington, VT | General & Unrestricted | $25,000 |
| Regents of the University of Michigan | Ann Arbor, MI | Maize & Blue Cupboard Fund | $25,000 |
| Regents of the University of Michigan | Ann Arbor, MI | Emergency Fund | $25,000 |
| University of Vermont | Burlington, VT | General & Unrestricted | $25,000 |
| University of Vermont | Burlington, VT | Special Collections Fund | $25,000 |
| Climate Vault Inc | Chicago, IL | General & Unrestricted | $15,000 |
| U C San Diego Foundation | LA Jolla, CA | To support Scripps Institution of Oceanography and to be used at the discretion of the SIO Director | $15,000 |
| Bishops School | LA Jolla, CA | The Bishops School 2024 Gala | $12,500 |
| Govern for California Foundation | San Rafael, CA | General & Unrestricted | $12,500 |
| Dakshana Foundation | West Lake Hills, TX | General & Unrestricted | $10,000 |
| Harvard Business School | Boston, MA | General & Unrestricted | $10,000 |
| Shelburne Museum Incorporated | Shelburne, VT | General & Unrestricted | $10,000 |
| The Nature Conservancy Georgia Chapter | Atlanta, GA | Coastal Conservation fund | $10,000 |
| The San Diego Foundation | San Diego, CA | La Jolla Country Club Employee Scholarship Fund | $10,000 |
| Hotchkiss School | Lakeville, CT | Giving Day 2018 | $5,000 |
| Hotchkiss School | Lakeville, CT | The Hotchkiss Fund/Parents Fund | $5,000 |
| Skidmore College | Saratoga Spgs, NY | General & Unrestricted | $5,000 |
| The Gillispie School | LA Jolla, CA | General & Unrestricted | $5,000 |
| Boys to Men Mentoring Network Inc | Spring Valley, CA | General & Unrestricted | $2,500 |
| Honorary Deputy Sheriffs Association of San Diego | San Diego, CA | General & Unrestricted | $2,500 |
| Neurolab 360 | Encinitas, CA | General & Unrestricted | $2,500 |
| University of Notre Dame Du Lac | Notre Dame, IN | General & Unrestricted | $1,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $2,850,500 | 38 |
| 2023 | $2,515,167 | 20 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 7, 2025 - IRS e-file batch, object ID 202543119349101404
- IRS Tax Exempt Organization Search for EIN 05-0544633
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.