Mary A & Thomas F Grasselli Endowment Foundation
Invitation OnlyWilmington, Delaware · EIN 51-6018870 · Private foundation
Grants paid (2025)$104K
Organizations funded21
Typical grant$3,000
Total assets$2.7M
Half of its grants to organizations were between $2,000 and $5,000.
From the return
How to apply
On its return for tax year 2025 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 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Student Partner Alliance a New Jersey Non-Profit C | Summit, NJ | General & Unrestricted | $23,000 |
| Buckley School in the City of New York | New York, NY | General & Unrestricted | $10,000 |
| Eanes Education Foundation | W Lake Hills, TX | General & Unrestricted | $10,000 |
| Frick Collection | New York, NY | General & Unrestricted | $10,000 |
| Museum of Fine Arts Houston | Houston, TX | General & Unrestricted | $10,000 |
| Alexs Lemonade Stand Foundation | Wynnewood, PA | General & Unrestricted | $5,000 |
| Barnard College | New York, NY | General & Unrestricted | $5,000 |
| Westlake United Methodist Church | W Lake Hills, TX | General & Unrestricted | $5,000 |
| Camp Fire | Austin, TX | General & Unrestricted | $3,000 |
| Houston Tennis Association Inc | Houston, TX | General Scholarship Fund | $3,000 |
| The University of Texas Md Anderson Cancer Center | Houston, TX | The Gingerbread Project - Houston Racquet Club | $3,000 |
| Tree Folks Inc | Del Valle, TX | General & Unrestricted | $3,000 |
| Menil Foundation Inc | Houston, TX | General & Unrestricted | $2,500 |
| Americas Foundation-Fundacion de Las Americas | Chula Vista, CA | General & Unrestricted | $2,000 |
| Greater Houston Community Foundation | Houston, TX | Houston Racquet Club Employee Scholarship Fund | $2,000 |
| Memorial Park Conservancy Inc | Houston, TX | General & Unrestricted | $2,000 |
| Houston Zoo Inc | Houston, TX | General & Unrestricted | $1,500 |
| Cleveland Museum of Art | Cleveland, OH | General & Unrestricted | $1,000 |
| Kids of Kilimanjaro Inc | Inlet Beach, FL | General & Unrestricted | $1,000 |
| Summit Area YMCA | Summit, NJ | General & Unrestricted | $1,000 |
| Woofgang and Co | Fairfield, CT | General & Unrestricted | $1,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $104,000 | 21 |
| 2024 | $92,000 | 18 |
| 2023 | $90,000 | 17 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 6, 2026 - IRS e-file batch, object ID 202621269349101767
- IRS Tax Exempt Organization Search for EIN 51-6018870
- Profile updated Nov 6, 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.