The Della Pietra Foundation
Invitation OnlyJericho, New York · EIN 83-2596679 · Private foundation
Grants paid (2025)$5.8M
Organizations funded13
Typical grant$300,000
Total assets$78.2M
Half of its grants to organizations were between $25,000 and $1,000,000.
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
46% of grants went outside New York.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Cold Spring Harbor Laboratory | Cold Spring Harbor, NY | Unrestricted | $1,155,000 |
| Simons Laufer Mathematical Sciences Institute | Berkeley, CA | Unrestricted | $1,100,000 |
| Stony Brook Foundation | Stony Brook, NY | Unrestricted | $1,089,658 |
| Surgeons Data Science Collective Inc | Washington, DC | Unrestricted | $1,000,000 |
| Friends of Ihes Inc NY | New York, NY | Unrestricted | $510,000 |
| President and Fellows of Harvard College | Cambridge, MA | Support the research on the swampland program under the direction of professor cumrun vafa | $510,000 |
| Pivot Works | Boston, MA | Unrestricted | $300,000 |
| World Science Foundation | New York, NY | Unrestricted | $60,000 |
| Community Foundation of Collier County | Naples, FL | Unrestricted | $50,000 |
| Planned Parenthood Hudson Peconic Action Fund Inc | Elmsford, NY | Unrestricted | $25,000 |
| Gilbert and Sullivan Light Opera Company of Long Island Inc | Hicksville, NY | Unrestricted | $20,000 |
| Harbor Country Day School | St James, NY | Unrestricted | $20,000 |
| High Desert Keepers Organization | Pinon Hills, CA | Unrestricted | $5,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $5,844,658 | 13 |
| 2024 | $6,106,025 | 15 |
| 2023 | $4,614,917 | 14 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 11, 2026 - IRS e-file batch, object ID 202601319349101670
- IRS Tax Exempt Organization Search for EIN 83-2596679
- 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.