Martin B Rosen Family Foundation

Foundation · Grantmaker W Conshohocken, PA EIN: 81-4805377

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

6states

Share of all 7 itemized 2025 grant dollars.

Cities

New YorkBrooklynPhiladelphiaAbingtonAlexandriaLiburnLos AngelesMemphisNew Hope

Giving Over Time

Total grant dollars and number of grants per year

$0$5K$10K$15K1 grants20201 grants20211 grants20220 grants20233 grants20247 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 7 recipients in 2025

The Forward Association: $250The Forward Association$250St Jude's Children Research Hospit: $250St Jude's Children ResearchHospit$250Brooklyn Bridge Park Conservancy: $250Brooklyn Bridge ParkConservancy$250Abington Health Foundation: $250Abington Health Foundation$250Central Park Conservancy: $100Central Park Conservancy$100Lewy Body Dementia Assoc: $100Lewy Body Dementia Assoc$100Marine Corps Scholarship Foundation: $100Marine Corps ScholarshipFoundation$100

Grant Size Distribution

12 grants across all recorded years

12<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
THE FORWARD ASSOCIATION New York, NYGENERAL PURPOSE$250
ST JUDE'S CHILDREN RESEARCH HOSPIT Memphis, TNGENERAL PURPOSE$250
BROOKLYN BRIDGE PARK CONSERVANCY Brooklyn, NYGENERAL PURPOSE$250
ABINGTON HEALTH FOUNDATION Abington, PAGENERAL PURPOSE$250
CENTRAL PARK CONSERVANCY New York, NYGENERAL OBLIGATION$100
LEWY BODY DEMENTIA ASSOC Liburn, GAGENERAL PURPOSE$100
MARINE CORPS SCHOLARSHIP FOUNDATION Alexandria, VAGENERAL OBLIGATION$100

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$5K$10K$15K$20K202020212022202320242025
Metric202520242023
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

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS May 6, 2026)
  2. 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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