The Nathaniel Adamczyk Foundation
The Nathaniel Adamczyk Foundation is a private foundation focused on Medical Research, based in Philadelphia, PA. IRS filing data is available from 2020 through 2024. In 2024, it awarded 1 grant totaling $21K. Net investment income was $1.
The Nathaniel Adamczyk Foundation at a glance
In short: The Nathaniel Adamczyk Foundation gave $21K across 1 grant in 2024 (avg $21K), mostly in Pennsylvania. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $21,016
- -89.5% vs 2023
- Grants made (2024)
- 1
- +0.0% vs 2023
- Average grant
- $21,016
- -89.5% vs 2023
- Median grant
- $21,016
- Primary geography
- Pennsylvania (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated September 2026.
Who The Nathaniel Adamczyk Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2024
The largest 2024 recipient was Childrens Hospital of Philadelphia ($21K).
Grant Size Distribution
3 grants across all recorded years
The most common grant size was under $50K: 2 grants of 3 (67%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2024 grant dollars on its one itemized grant.
States
Cities
How The Nathaniel Adamczyk Foundation gives
- In 2024 it paid out well above its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2024, annual grant giving ranged from $12K (2022) to $200K (2023). In 2024 it made 1 grant totaling $21K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Childrens Hospital of Philadelphia Philadelphia, PA | To provide funding for research into the treatment of childhood respiratory diseases | $21,016 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | — | $1 | $26,575 | $21,016 | 1 | $21,016 | $1 | $141 |
| 2023 | $26,574 | $35 | $205,475 | $200,000 | 1 | $200,000 | $35 | $5,900 |
| 2022 | $232,014 | $5,250 | $19,379 | $12,000 | 1 | $12,000 | $5,250 | $12,023 |
| 2021 | $246,143 | $2,496 | $2,176 | — | — | — | $2,496 | $10,539 |
| 2020 | $205,431 | $2,398 | $2,001 | — | — | — | $2,398 | $8,469 |
Under IRS private-foundation payout rules, The Nathaniel Adamczyk Foundation reported a distributable amount of $141 for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Nathaniel Adamczyk Foundation's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.
Officers on the 2024 filing
Henry Adamczyk
Vice President
On filings since 2020
2 hrs/week
No compensation reported
Iris Melendez
Presdient
On filings since 2020
4 hrs/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.
Frequently asked questions about The Nathaniel Adamczyk Foundation
How much does The Nathaniel Adamczyk Foundation give each year?
The Nathaniel Adamczyk Foundation gave $21K across 1 grant in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $200K across 1 grant.
What is The Nathaniel Adamczyk Foundation?
The Nathaniel Adamczyk Foundation is a private foundation focused on Medical Research, based in Philadelphia, PA.
Where does The Nathaniel Adamczyk Foundation operate?
The Nathaniel Adamczyk Foundation has awarded grants in Pennsylvania.
How much is The Nathaniel Adamczyk Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, The Nathaniel Adamczyk Foundation reported a distributable amount of $141 on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is The Nathaniel Adamczyk Foundation's EIN?
The Nathaniel Adamczyk Foundation's EIN (Employer Identification Number) is 20-5209050. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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