James L and Loren C Rosenzweig

Foundation · Grantmaker BROOKLINE, MA EIN: 52-7328957

James L and Loren C Rosenzweig is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BROOKLINE, MA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $630K in total assets. In 2024, it awarded 14 grants totaling $32K. Net investment income was $38K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$630K

-2.2% YoY

Annual Giving

$32K

+14.5% YoY

Grant Count

14

-17.6% YoY

Avg Grant Size

$2K

+39.0% YoY

Under IRS private-foundation payout rules, James L and Loren C Rosenzweig reported a distributable amount of $53K for 2024 — the minimum it must pay out in qualifying distributions.

About James L and Loren C Rosenzweig

Based on IRS filings

James L and Loren C Rosenzweig is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BROOKLINE, MA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $630K in total assets. In 2024, it awarded 14 grants totaling $32K. Net investment income was $38K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

7states

Cities

Boca RatonBostonBrightonBrooklineBrookline VillageBrooklynFar RockawayFresh MeadowsHollywoodHopkintonLakewoodNeedhamNew HavenNew YorkNewtonNewton CentreNewton CtrReadvilleSilver SpringWashington

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$31K$63K$94K$125K20202021202220232024
Metric202420232022
Total Assets$629,906$643,757$616,505
Revenue$53,300$62,393$54,144
Expenses$67,151$35,141$76,286
Qualifying Distributions$32,115$28,054$49,713
Net Investment Income$38,264$55,341$47,042
Distributable Amount$53,092$30,265$48,897

Giving Over Time

Total grant dollars and number of grants per year

$0$9K$18K$27K$36K18 grants202022 grants202122 grants202217 grants202314 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

MAIMONIDES$15KYACHAD$12KKADIMAH-TORAS MOSHE$2KCHABAD OCEAN SYNAGOGUE$720AMERICA GIVES$500BUCKLEY INSTITUTE$500BOSTON KOLLEL$450ZAMIR CHORALE OF BOSTON$435FRIENDS OF CHAVERIM$206CHMOL$200

Grant Size Distribution

93 grants across all recorded years

93<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Maimonides ($14,702), Yachad ($12,000), Kadimah-toras Moshe ($2,000).

RecipientPurposeAmount
AMERICA GIVES NEW YORK, NYFOOD INSECURITIES$500
BOSTON KOLLEL BRIGHTON, MAEDUCATION AND LEADERSHIP$450
BUCKLEY INSTITUTE NEW HAVEN, CTEDUCATION$500
CHABAD OCEAN SYNAGOGUE HOLLYWOOD, FLJEWISH ENRICHMENT$720
CHAI LIFELINE NEW YORK, NYMEDICAL SUPPORT$72
CHMOL BROOKLYN, NYFOOD INSECURITIES$200
FRIENDS OF CHAVERIM FAR ROCKAWAY, NYEDUCATION$206
KADIMAH-TORAS MOSHE BRIGHTON, MAFULLFILL CHARITABLE PURPOSE OF ORG$2,000
MAIMONIDES BROOKLINE, MAEDUCATION$14,702
PAN MASS CHALLENGE NEEDHAM, MACANCER RESEARCH$100

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
JAMES L ROSENZWEIGTRUSTEE2
LOREN C ROSENZWEIGTRUSTEE2

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is James L and Loren C Rosenzweig?

James L and Loren C Rosenzweig is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BROOKLINE, MA. It holds $630K in total assets as of 2024.

How large is James L and Loren C Rosenzweig?

As of 2024, James L and Loren C Rosenzweig holds $630K in total assets with $53K in annual revenue. It awarded 14 grants totaling $32K in 2024.

Where does James L and Loren C Rosenzweig operate?

James L and Loren C Rosenzweig has awarded grants in Connecticut, District of Columbia, Florida, Massachusetts, Maryland, New Jersey, New York.

What size grants does James L and Loren C Rosenzweig award?

In 2024, James L and Loren C Rosenzweig awarded 14 grants totaling $32K — an average of about $2K per grant, based on its IRS Form 990 filings.

How much is James L and Loren C Rosenzweig required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, James L and Loren C Rosenzweig reported a distributable amount of $53K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is James L and Loren C Rosenzweig's EIN?

James L and Loren C Rosenzweig's EIN (Employer Identification Number) is 52-7328957. 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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