Stephen Dellapietra and Pamela Hurst-
Stephen Dellapietra and Pamela Hurst- is a private foundation based in Jericho, New York. In 2024, it reported 13 grants totaling $4,059,000 to charitable organizations.
Key facts about Stephen Dellapietra and Pamela Hurst-
In short: Stephen Dellapietra and Pamela Hurst- gave $4.1M across 13 grants in 2024 (avg $312K), mostly in New York. 46% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- EIN
- 46-4352404
- Latest 990 filing
- Form 990-PF, 2024
- Annual giving (2024)
- $4,059,000
- Grants made (2024)
- 13
- Average grant
- $312,231
- Median grant
- $150,000
- New grantees (estimate)
- 46% first-time grantees (6 of 13, 2024; small sample)
- Total assets
- $80,147,902
- Primary geography
- New York (77% of itemized 2024 grant dollars)
- Accepts unsolicited proposals
- No
- How to apply
- The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Full details ↓
Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$80.1M
+46.8% YoY
Annual Giving
$4.1M
+54.1% YoY
Grant Count
13
+0.0% YoY
Avg Grant Size
$312K
+54.1% YoY
Under IRS private-foundation payout rules, Stephen Dellapietra and Pamela Hurst- reported a distributable amount of $2.8M for 2024 — the minimum it must pay out in qualifying distributions.
Is Stephen Dellapietra and Pamela Hurst- open to new grantees?
46%
first-time grantees, 2024
In 2024, 6 of 13 grantees (46%) were first-time recipients. With only 13 grantees, that is a small sample: one grantee more or less moves the share by about 8 points. First grants averaged $116K; repeat grants $480K. How we count
Medians: $70K first-time, $200K repeat.
- 46% of 2024 grantees were also funded in 2023. Method
- Giving grew 125% from 2021 to 2024. Method
- In 2024 it paid out 146% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Mission & Focus Areas
No mission statement for the foundation is provided. Among its grantees, the Stony Brook Foundation says it facilitates, accepts, and manages philanthropic gifts to advance the mission and goals of SUNY Stony Brook. Berklee College of Music describes its mission as fostering and teaching music and related arts. The Simons Laufer Mathematical Sciences Institute says it supports mathematical research, develops mathematical talent, and cultivates community and engagement.
Grantmaking
In 2024, the foundation made 13 grants totaling $4,059,000. Grants ranged from $500 to $1,150,000, with a median of $150,000. Among its largest awards were $1,150,000 to Cold Spring Harbor Laboratory, $1,000,000 to Stony Brook Foundation Inc., and $750,000 to Children and Screens: The Institute of Digital Media and Child Development. Other notable grants included $295,000 to Berklee College of Music Inc., $260,000 to Harvard University, and $200,000 to Memorial Sloan Kettering Cancer.
How to Apply
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
Ready to take the next step with Stephen Dellapietra and Pamela Hurst-?
Geographic Focus
Where this funder awards grants
In 2024, 77% of grant dollars went to recipients in New York, 17% to Massachusetts, 3% to California, and 3% to New Jersey.
Grant Distribution by State
Share of 2024 grant dollars across all 13 itemized grants.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $1.3M (2020) to $4.1M (2024). In 2024 it made 13 grants totaling $4.1M.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Cold Spring Harbor Laboratory ($1.1M). Together the top 10 received $4.1M.
Grant Size Distribution
64 grants across all recorded years
The most common grant size was under $50K: 27 grants of 64 (42%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Cold Spring Harbor Laboratory Cold Spring Harbor, NY | Charitable Contribution | $1,150,000 |
| Stony Brook Foundation Inc Stony Brook, NY | Charitable Contribution | $1,000,000 |
| Children and Screens the Institute of Digital Media and Child Development Jericho, NY | Charitable Contribution | $750,000 |
| Berklee College of Music Inc Boston, MA | Charitable Contribution | $295,000 |
| Harvard University Cambridge, MA | Charitable Contribution | $260,000 |
| Memorial Sloan Kettering Cancer New York, NY | Charitable Contribution | $200,000 |
| Pivot Boston, MA | Charitable Contribution | $150,000 |
| Simons Laufer Mathematical Sciences Berkeley, CA | Charitable Contribution | $115,000 |
| Princeton University Princeton, NJ | Charitable Contribution | $110,000 |
| Friends of Science East DBA Tesla Science Center at Wardenclyffe Shoreham, NY | Charitable Contribution | $25,000 |
Financial History
Multi-year comparison from IRS filings
| Filing year | Assets | Revenue | Expenses | Grants |
|---|---|---|---|---|
| 2024 | $80,147,902 | $29,948,037 | $4,410,474 | $4,059,000 |
| 2023 | $54,610,339 | $22,515,157 | $2,747,370 | $2,634,035 |
| 2022 | $25,140,172 | $7,471,233 | $2,511,124 | $2,438,500 |
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $80,147,902 | $54,610,339 | $25,140,172 |
| Revenue | $29,948,037 | $22,515,157 | $7,471,233 |
| Expenses | $4,410,474 | $2,747,370 | $2,511,124 |
| Qualifying Distributions | $4,059,000 | $2,634,035 | $2,438,500 |
| Net Investment Income | $7,384,473 | $8,715,869 | $2,115,104 |
| Distributable Amount | $2,776,696 | $1,603,961 | $944,416 |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Pamela Hurst-Della Pietra as co-president and treasurer, and Stephen Della Pietra as co-president and secretary.
Stephen Dellapietra and Pamela Hurst- is led by Pamela Hurst-Della Pietra, Co-President & Treasurer on every filing since 2020; none of the 2 officers listed in 2024 report compensation.
Officers on the 2024 filing
Pamela Hurst-Della Pietra
Co-President & Treasurer
On filings since 2020
1 hr/week
No compensation reported
Stephen Della Pietra
Co-President & Secretary
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Contact
Mailing address: 100 Jericho Quadrangle 220, Jericho, NY 11753
Phone: (631) 246-9139
Frequently asked questions about Stephen Dellapietra and Pamela Hurst-
How much does Stephen Dellapietra and Pamela Hurst- give each year?
Stephen Dellapietra and Pamela Hurst- gave $4.1M across 13 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $2.6M across 13 grants.
What is Stephen Dellapietra and Pamela Hurst-'s typical grant size?
Stephen Dellapietra and Pamela Hurst-'s median grant in 2024 was $150,000, and its average grant was $312,231, across 13 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Stephen Dellapietra and Pamela Hurst- that year got $116K on average.
Where does Stephen Dellapietra and Pamela Hurst- give grants?
Stephen Dellapietra and Pamela Hurst- gives mostly in New York: 77% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was Massachusetts (17%). The most frequent recipient cities were New York, NY (3 grants) and Boston, MA (2 grants).
Who are Stephen Dellapietra and Pamela Hurst-'s largest grantees?
Stephen Dellapietra and Pamela Hurst-'s largest 2024 grantees include Cold Spring Harbor Laboratory ($1,150,000), Stony Brook Foundation Inc ($1,000,000) and Children and Screens the Institute of Digital Media and Child Development ($750,000), according to its 2024 IRS Form 990-PF. Together they received 71% of its itemized 2024 grant dollars.
How large is Stephen Dellapietra and Pamela Hurst-?
Stephen Dellapietra and Pamela Hurst- reported $80.1M in total assets on its 2024 IRS Form 990-PF. It paid out $4.1M in qualifying distributions that year, against a required minimum of $2.8M (roughly 5% of its investment assets).
What does Stephen Dellapietra and Pamela Hurst- fund?
No mission statement for the foundation is provided. Among its grantees, the Stony Brook Foundation says it facilitates, accepts, and manages philanthropic gifts to advance the mission and goals of SUNY Stony Brook. See mission & focus areas ↑
How do I apply for a grant from Stephen Dellapietra and Pamela Hurst-?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Stephen Dellapietra and Pamela Hurst-'s EIN?
Stephen Dellapietra and Pamela Hurst-'s EIN (Employer Identification Number) is 46-4352404. IRS Form 990 filing data is available on this page for 2020–2024.
Does Stephen Dellapietra and Pamela Hurst- accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
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