Data / Foundation grants / The Della Pietra Foundation
The Della Pietra Foundation: 13 grants to organizations, $5.8 million (tax year ended December 2025)
The Della Pietra Foundation, a private foundation in Jericho, NY, paid 13 grants to organizations totaling $5,844,658 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on May 11, 2026. The largest was $1,155,000 to Cold Spring Harbor Laboratory in Cold Spring Harbor, NY for unrestricted.
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- EIN
- 832596679
- Based in
- Jericho, NY
- Assets
- $78,173,025
- Grants paid
- $5,844,658
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed May 11, 2026, IRS object ID 202601319349101670. It reported $5,844,658 in grants paid; 13 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Cold Spring Harbor Laboratory | Cold Spring Harbor, NY | Unrestricted | Science and technology | $1,155,000 | apps.irs.gov |
| Simons Laufer Mathematical Sciences Institute | Berkeley, CA | Unrestricted | Science and technology | $1,100,000 | apps.irs.gov |
| Stony Brook Foundation | Stony Brook, NY | Unrestricted | Education | $1,089,658 | apps.irs.gov |
| Surgeons Data Science Collective Inc | Washington, DC | Unrestricted | Medical research | $1,000,000 | apps.irs.gov |
| Friends of Ihes Inc Ny | New York, NY | Unrestricted | $510,000 | apps.irs.gov | |
| President and Fellows of Harvard College | Cambridge, MA | Support the research on the swampland program under the direction of professor cumrun vafa | Education | $510,000 | apps.irs.gov |
| Pivot Works | Boston, MA | Unrestricted | $300,000 | apps.irs.gov | |
| World Science Foundation | New York, NY | Unrestricted | Science and technology | $60,000 | apps.irs.gov |
| Community Foundation of Collier County | Naples, FL | Unrestricted | $50,000 | apps.irs.gov | |
| Planned Parenthood Hudson Peconic Action Fund Inc | Elmsford, NY | Unrestricted | Health care | $25,000 | apps.irs.gov |
| Gilbert and Sullivan Light Opera Company of Long Island Inc | Hicksville, NY | Unrestricted | Arts, culture and humanities | $20,000 | apps.irs.gov |
| Harbor Country Day School | St James, NY | Unrestricted | Education | $20,000 | apps.irs.gov |
| High Desert Keepers Organization | Pinon Hills, CA | Unrestricted | Environment | $5,000 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed May 15, 2025, IRS object ID 202501359349104125. It reported $6,106,025 in grants paid; 15 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Simons Laufer Mathematical Sciences Institute | Berkeley, CA | Unrestricted | Science and technology | $1,200,000 | apps.irs.gov |
| Cold Spring Harbor Laboratory | Cold Spring Harbor, NY | Unrestricted | Science and technology | $1,155,000 | apps.irs.gov |
| Stony Brook Foundation | Stony Brook, NY | Unrestricted | Education | $1,071,025 | apps.irs.gov |
| Surgeons Data Science Collective Inc | Washington, DC | Unrestricted | Medical research | $1,000,000 | apps.irs.gov |
| Friends of Ihes Inc Ny | New York, NY | Unrestricted | $505,000 | apps.irs.gov | |
| President and Fellows of Harvard College | Cambridge, MA | Support the research on the swampland program under the direction of professor cumrun vafa | Education | $500,000 | apps.irs.gov |
| Children and Screens Institute of Digital Media and Child Development Inc | Jericho, NY | Unrestricted | $250,000 | apps.irs.gov | |
| Pivot Works | Boston, MA | Unrestricted | $250,000 | apps.irs.gov | |
| Community Foundation of Collier County | Naples, FL | Unrestricted | $50,000 | apps.irs.gov | |
| World Science Foundation | New York, NY | Unrestricted | Science and technology | $50,000 | apps.irs.gov |
| Gilbert and Sullivan Light Opera Company of Long Island Inc | Hicksville, NY | Unrestricted | Arts, culture and humanities | $20,000 | apps.irs.gov |
| Planned Parenthood Hudson Peconic Action Fund Inc | Elmsford, NY | Unrestricted | Health care | $20,000 | apps.irs.gov |
| Princeton University | Princeton, NJ | Unrestricted | Education | $20,000 | apps.irs.gov |
| Harbor Country Day School | St James, NY | Unrestricted | Education | $10,000 | apps.irs.gov |
| Friends of Science East Inc | Shoreham, NY | Unrestricted | Arts, culture and humanities | $5,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Science and technology | $4,720,000 |
| Education | $3,220,683 |
| Medical research | $2,000,000 |
| Health care | $45,000 |
| Arts, culture and humanities | $45,000 |
| Environment | $5,000 |
States funded
| Recipient state | Granted |
|---|---|
| New York | $5,965,683 |
| California | $2,305,000 |
| District of Columbia | $2,000,000 |
| Massachusetts | $1,560,000 |
| Florida | $100,000 |
| New Jersey | $20,000 |
Also on SpecStream
- Who funds science and technology in New York
- Who funds science and technology in California
- Who funds education in New York
- Who funds medical research in District of Columbia
- Who funds education in Massachusetts
- Who funds health care in New York
Updated May 11, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.