Private Foundation

LEON V AND MARILYN L ROSENBERG FAMILY FOUNDATION

LEON V AND MARILYN L ROSENBERG FAMILY FOUNDATION, of NEWTON CENTRE, MA, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2024 filing shows $5.3M in revenue, $1.0M in expenses, $16.8M in total assets. IRS filings disclose 8 grants awarded by this foundation, totaling roughly $12.3M.

EIN: 387028578 NEWTON CENTRE, MA Latest filing: 2024

Total Revenue$5.3M

Total Expenses$1.0M

Total Assets$16.8M

Grants Given8

Grant Total$12.3M

Filing Years2019–2024

Sample Grants Given

BETH ISRAEL DEACONESS MEDICAL CENTER

BOSTON, MA · 2024

SUPPORT CANCER RESEARCH & CANCER TREATMENT FACILITIES

$1,000,000

BETH ISRAEL DEACONESS MEDICAL CENTER

BOSTON, MA · 2023

SUPPORT CANCER RESEARCH & CANCER TREATMENT FACILITIES

$1,887,890

BETH ISRAEL DEACONESS MEDICAL CENTER

BOSTON, MA · 2022

CANCER RESEARCH & CANCER TREATMENT FACILITIES

$1,887,890

BETH ISRAEL DEACONESS MEDICAL CENTER

BOSTON, MA · 2020

CANCER RESEARCH & CANCER TREATMENT FACILITIES

$1,887,890

BETH ISRAEL DEACONESS MEDICAL CENTER

BOSTON, MA · 2019

CANCER RESEARCH & CANCER TREATMENT FACILITIES

$1,887,890

Showing up to 5 of 8 total records — full history available with membership.

Officers & Directors

TRUSTEE Diane Rosenberg

TRUSTEE Richard Rosenberg

TRUSTEE Susan Rosenberg

Officer compensation and complete director data available with membership.

Top Grant Purposes

CANCER RESEARCH & CANCER TREATMENT FACILITIES

$9,439,450 5 grants

SUPPORT CANCER RESEARCH & CANCER TREATMENT FACILITIES

$2,887,890 2 grants

HELP CHILDREN AND FAMILIES LIVE SUCCESSFULLLY

$5,000 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2024	$5.3M	$1.0M	$16.8M
2023	$7.0M	$1.9M	$12.6M
2022	$1.3M	$1.9M	$7.5M
2020	$2.3M	$1.9M	$7.7M
2019	$2.3M	$1.9M	$7.3M

Between 2019 and 2024, reported annual revenue grew from $2.3M to $5.3M (+126%), with total assets most recently reported at $16.8M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in MA.

MA

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for LEON V AND MARILYN L ROSENBERG FAMILY FOUNDATION

Complete financials, all 8 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports