Martin B Rosen Family Foundation
Martin B Rosen Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in W Conshohocken, PA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $21K in total assets. In 2025, it awarded 7 grants totaling $1K. Net investment income was $12.
Key facts about Martin B Rosen Family Foundation
In short: Martin B Rosen Family Foundation gave $1K across 7 grants in 2025 (avg $185.714), top state New York. Source: 2025 IRS Form 990-PF.
- EIN
- 81-4805377
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $1,300
- Grants made (2025)
- 7
- Average grant
- $186
- Median grant
- $250
- Total assets
- $20,818
- Primary geography
- New York (46% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$21K
+0.1% YoY
Annual Giving
$1K
-56.7% YoY
Grant Count
7
+133.3% YoY
Avg Grant Size
$185.714
-81.4% YoY
Under IRS private-foundation payout rules, Martin B Rosen Family Foundation reported a distributable amount of $968 for 2025 — the minimum it must pay out in qualifying distributions.
How Martin B Rosen Family Foundation gives
- Giving fell 87% from 2022 to 2025. Method
- In 2024 it paid out 273% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 7 itemized 2025 grant dollars.
Cities
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2025
Grant Size Distribution
12 grants across all recorded years
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| THE FORWARD ASSOCIATION New York, NY | GENERAL PURPOSE | $250 |
| ST JUDE'S CHILDREN RESEARCH HOSPIT Memphis, TN | GENERAL PURPOSE | $250 |
| BROOKLYN BRIDGE PARK CONSERVANCY Brooklyn, NY | GENERAL PURPOSE | $250 |
| ABINGTON HEALTH FOUNDATION Abington, PA | GENERAL PURPOSE | $250 |
| CENTRAL PARK CONSERVANCY New York, NY | GENERAL OBLIGATION | $100 |
| LEWY BODY DEMENTIA ASSOC Liburn, GA | GENERAL PURPOSE | $100 |
| MARINE CORPS SCHOLARSHIP FOUNDATION Alexandria, VA | GENERAL OBLIGATION | $100 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $20,818 | $20,806 | $23,806 |
| Revenue | $12 | — | $11 |
| Expenses | — | $3,000 | — |
| Qualifying Distributions | — | $3,000 | — |
| Net Investment Income | $12 | — | $11 |
| Distributable Amount | $968 | $1,099 | $1,122 |
Data update history
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 6, 2026)
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Officers and directors from IRS filings
Martin B Rosen Family Foundation is led by Martin B. Rosen, President on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Martin B. Rosen
President
On filings since 2020
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "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 Martin B Rosen Family Foundation
How much does Martin B Rosen Family Foundation give each year?
Martin B Rosen Family Foundation gave $1K across 7 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $3K across 3 grants.
What is Martin B Rosen Family Foundation's typical grant size?
Martin B Rosen Family Foundation's median grant in 2025 was $250, and its average grant was $186, across 7 grants on its 2025 IRS Form 990-PF.
Where does Martin B Rosen Family Foundation give grants?
Martin B Rosen Family Foundation's top state is New York, with 46% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Tennessee (19%) and Pennsylvania (19%). The most frequent recipient cities were New York, NY (2 grants).
Does Martin B Rosen Family Foundation give general operating support?
Yes: 100% of Martin B Rosen Family Foundation's 2025 grants with a stated purpose (7 of 7) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Martin B Rosen Family Foundation's largest grantees?
Martin B Rosen Family Foundation's largest 2025 grantees include The Forward Association ($250), St Jude's Children Research Hospit ($250) and Brooklyn Bridge Park Conservancy ($250), according to its 2025 IRS Form 990-PF. Together they received 58% of its itemized 2025 grant dollars.
How large is Martin B Rosen Family Foundation?
Martin B Rosen Family Foundation reported $21K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $12.
What is Martin B Rosen Family Foundation?
Martin B Rosen Family Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in W Conshohocken, PA. It holds $21K in total assets as of 2025.
How much is Martin B Rosen Family Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, Martin B Rosen Family Foundation reported a distributable amount of $968 on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Martin B Rosen Family Foundation's EIN?
Martin B Rosen Family Foundation's EIN (Employer Identification Number) is 81-4805377. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
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