Private foundation · EIN 83-2596679 · Jericho, New York · Philanthropy & grantmaking

Della Pietra Foundation

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 13 grants paid, $5.8M total, median $300K. 54% of grants stayed in New York.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
13
$5.8M
Median grant
$300K
Stays in NY
54%
of grants
Deadline
—
Assets
$67M

Grants paid in 2025

13 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
Cold Spring Harbor LaboratoryCold Spring Harbor, NYUnrestricted$1.2M
Simons Laufer Mathematical Sciences InstituteBerkeley, CAUnrestricted$1.1M
Stony Brook FoundationStony Brook, NYUnrestricted$1.1M
Surgeons Data Science Collective IncWashington, DCUnrestricted$1.0M
Friends of Ihes Inc NyNew York, NYUnrestricted$510K
President and Fellows of Harvard CollegeCambridge, MASupport the research on the swampland program under the direction of professor cumrun vafa$510K
Pivot WorksBoston, MAUnrestricted$300K
World Science FoundationNew York, NYUnrestricted$60K
Community Foundation of Collier CountyNaples, FLUnrestricted$50K
Planned Parenthood Hudson Peconic Action Fund IncElmsford, NYUnrestricted$25K
Gilbert and Sullivan Light Opera Company of Long Island IncHicksville, NYUnrestricted$20K
Harbor Country Day SchoolSt James, NYUnrestricted$20K
High Desert Keepers OrganizationPinon Hills, CAUnrestricted$5,000

By state: New York 7 · California 2 · District of Columbia 1 · Massachusetts 2 · Florida 1

About this foundation

Della Pietra Foundation is a private grantmaking foundation in Jericho, New York, administered in care of Barbara Amonson, tax-exempt since 2019. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Della Pietra Foundation accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does Della Pietra Foundation give each year?

In tax year 2025 it paid $5.8M across 13 grants, a median of $300K.

Where does Della Pietra Foundation give?

New York (7 grants), California (2 grants), District of Columbia (1 grants) and elsewhere, per its latest filing.

More foundations near Jericho that accept applications

All in New York
FoundationBased inGrants paidMedian grantAccepts applicationsAssets
Stephen Della Pietra and Pamela Hurst-Della Pietra Family Foundatsince 2014 Jericho, NY $4.1M13 grants · 2024 $150KPreselected only $80M
Guru Krupa Foundation Incsince 2009 Jericho, NY $4.1M93 grants · 2024 $28KYes $78M
Bms Family Foundationsince 2013 Jericho, NY $10M2 grants · 2025 $5.1MPreselected only $76M
Rice Family Foundation Jericho, NY $3.8M87 grants · 2025 $20KPreselected only $60M
The@nicholls Biondi Foundationsince 2020 Jericho, NY $4.2M1 grants · 2024 $4.2MPreselected only $45M
Rousseeuw Foundationsince 2017 Jericho, NY $1.4M1 grants · 2025 $1.4MPreselected only $35M
The Joan F and Donald E Axinn Foundation Incsince 1972 Jericho, NY $2.4M5 grants · 2024 $50KYes $24M
Aliis Inserviendo Consumor Foundationsince 2009 Jericho, NY — —Preselected only $15M
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