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Foundation Lookup

Form 990-PFTax year 2025EIN 83-2596679

The Della Pietra Foundation

A private foundation in Jericho, NY. Its return for tax year 2025 lists 13 grants and $5.8 million paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

7 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2025

    $5,844,658

    Grants listed
    13
    Assets, end of year
    $67,288,351

  • Tax year 2024

    $6,106,025

    Grants listed
    15
    Assets, end of year
    $64,535,496

  • Tax year 2023

    $4,614,917

    Grants listed
    14
    Assets, end of year
    $58,675,882

  • Tax year 2022

    $6,790,500

    Grants listed
    11
    Assets, end of year
    $32,353,573

  • Tax year 2021

    $5,719,811

    Grants listed
    10
    Assets, end of year
    $31,902,567

  • Tax year 2020

    $4,300,890

    Grants listed
    14
    Assets, end of year
    $33,626,577

  • Tax year 2019

    $3,882,758

    Grants listed
    6
    Assets, end of year
    $16,382,253

Grants paid in 2025

13 grants, largest first

As listed on the return.

  1. Cold Spring Harbor LaboratoryCold Spring Harbor, NY

    Unrestricted

    $1,155,000
  2. Simons Laufer Mathematical Sciences InstituteBerkeley, CA

    Unrestricted

    $1,100,000
  3. Stony Brook FoundationStony Brook, NY

    Unrestricted

    $1,089,658
  4. Surgeons Data Science Collective IncWashington, DC

    Unrestricted

    $1,000,000
  5. Friends of Ihes Inc NYNew York, NY

    Unrestricted

    $510,000
  6. President and Fellows of Harvard CollegeCambridge, MA

    Support the research on the swampland program under the direction of professor cumrun vafa

    $510,000
  7. Pivot WorksAbington, MA

    Unrestricted

    $300,000
  8. World Science FoundationNew York, NY

    Unrestricted

    $60,000
  9. Community Foundation of Collier CountyNaples, FL

    Unrestricted

    $50,000
  10. Planned Parenthood Hudson Peconic Action Fund IncElmsford, NY

    Unrestricted

    $25,000
  11. Gilbert and Sullivan Light Opera Company of Long Island IncHicksville, NY

    Unrestricted

    $20,000
  12. Harbor Country Day SchoolSaint James, NY

    Unrestricted

    $20,000
  13. High Desert Keepers OrganizationPinon Hills, CA

    Unrestricted

    $5,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Education3 grants $1,619,65839% of the total
  2. Science and technology2 grants $1,160,00028% of the total
  3. Medical research1 grant $1,000,00024% of the total
  4. International aid1 grant $300,0007% of the total
  5. Health1 grant $25,000<1% of the total
  6. Arts and culture1 grant $20,000<1% of the total
  7. 1 other causes1 grant $5,000<1% of the total

By State

Grants to organizations with a US address, latest year.

  1. New York7 grants $2,879,658
  2. California2 grants $1,105,000
  3. District of Columbia1 grant $1,000,000
  4. Massachusetts2 grants $810,000
  5. Florida1 grant $50,000

Officers, directors and trustees

2 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Barbara AmonsonPRESIDENT Hours 3Pay $0
  • Vincent DellapietraSECRETARY Hours 3Pay $0

The return

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