Leon V and Marilyn L Rosenberg Family
Leon V and Marilyn L Rosenberg Family is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in NEWTON CENTRE, MA. IRS filing data is available from 2020 through 2024. In 2024, it awarded 1 grants totaling $1.0M.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$1.0M
-47.0% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$1.0M
-47.0% YoY
About Leon V and Marilyn L Rosenberg Family
Based on IRS filings
Leon V and Marilyn L Rosenberg Family is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in NEWTON CENTRE, MA. IRS filing data is available from 2020 through 2024. In 2024, it awarded 1 grants totaling $1.0M.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 1 recipients in 2024
Grant Size Distribution
5 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Beth Israel Deaconess Medical Center ($1,000,000).
| Recipient | Purpose | Amount |
|---|---|---|
| BETH ISRAEL DEACONESS MEDICAL CENTER BOSTON, MA | SUPPORT CANCER RESEARCH & CANCER TREATMENT FACILITIES | $1,000,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| RICHARD ROSENBERG | TRUSTEE | 0.5 | — |
| DIANE ROSENBERG | TRUSTEE | 0.5 | — |
| SUSAN ROSENBERG | TRUSTEE | 0.5 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Leon V and Marilyn L Rosenberg Family?
Leon V and Marilyn L Rosenberg Family is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in NEWTON CENTRE, MA. It holds — in total assets as of 2024.
Where does Leon V and Marilyn L Rosenberg Family operate?
Leon V and Marilyn L Rosenberg Family has awarded grants in Massachusetts.
What size grants does Leon V and Marilyn L Rosenberg Family award?
In 2024, Leon V and Marilyn L Rosenberg Family awarded 1 grants totaling $1.0M — an average of about $1.0M per grant, based on its IRS Form 990 filings.
What is Leon V and Marilyn L Rosenberg Family's EIN?
Leon V and Marilyn L Rosenberg Family's EIN (Employer Identification Number) is 38-7028578. IRS Form 990 filing data is available on this page for 2020–2024.
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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