James L and Loren C Rosenzweig
James L and Loren C Rosenzweig is a Form 990-PF (a private foundation) based in Brookline, Massachusetts. In 2024, it gave $32,115 through 14 grants to charitable organizations.
James L and Loren C Rosenzweig at a glance
In short: James L and Loren C Rosenzweig gave $32K across 14 grants in 2024 (avg $2K), mostly in Massachusetts. 36% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $32,115
- +14.5% vs 2023
- Grants made (2024)
- 14
- -17.6% vs 2023
- Average grant
- $2,294
- +39.0% vs 2023
- Median grant
- $443
- Total assets
- $629,906
- -2.2% vs 2023
- New grantees (estimate)
- 36% first-time grantees (5 of 14, 2024; small sample)
- Primary geography
- Massachusetts (56% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to James L and Loren C Rosenzweig
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 1443 Beacon St Apt 702, Brookline, MA 02446
Phone: (617) 869-6906
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who James L and Loren C Rosenzweig funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Maimonides ($15K). Together the top 10 received $32K.
Grant Size Distribution
93 grants across all recorded years
The most common grant size was under $50K: 93 grants of 93 (100%).
Geographic Focus
Where this funder awards grants
In 2024, 56% of grant dollars went to recipients in Massachusetts and 40% to recipients in New York. Florida and Connecticut each received 2%.
Grant Distribution by State
Share of 2024 grant dollars across all 14 itemized grants.
Cities
Is James L and Loren C Rosenzweig open to new grantees?
36%
first-time grantees, 2024
In 2024, 5 of 14 grantees (36%) were first-time recipients. With only 14 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. First grants averaged $651; repeat grants $3K. How we count
Medians: $500 first-time, $435 repeat.
- 50% of 2024 grantees were also funded in 2023. Method
- Giving held roughly steady from 2021 to 2024 (−8%). Method
- In 2024 it paid out 60% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $28K (2023) to $36K (2022). In 2024 it made 14 grants totaling $32K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Maimonides Brookline, MA | Education | $14,702 |
| Yachad New York, NY | Education | $12,000 |
| Kadimah-Toras Moshe Brighton, MA | Fullfill Charitable Purpose of Org | $2,000 |
| Chabad Ocean Synagogue Hollywood, FL | Jewish Enrichment | $720 |
| America Gives New York, NY | Food Insecurities | $500 |
| Buckley Institute New Haven, CT | Education | $500 |
| Boston Kollel Brighton, MA | Education and Leadership | $450 |
| Zamir Chorale of Boston Newton, MA | Arts Support | $435 |
| Friends of Chaverim Far Rockaway, NY | Education | $206 |
| CHMOL Brooklyn, NY | Food Insecurities | $200 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $629,906 | $53,300 | $67,151 | $32,115 | 14 | $32,115 | $38,264 | $53,092 |
| 2023 | $643,757 | $62,393 | $35,141 | $28,054 | 17 | $28,054 | $55,341 | $30,265 |
| 2022 | $616,505 | $54,144 | $76,286 | $35,713 | 22 | $49,713 | $47,042 | $48,897 |
| 2021 | $638,647 | $113,842 | $53,448 | $34,793 | 22 | $45,793 | $106,234 | $54,829 |
| 2020 | $578,253 | $106,123 | $59,970 | $35,063 | 18 | — | $99,947 | $41,816 |
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.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2024 grants show support for organizations working in areas including education, Jewish enrichment, food insecurity, arts, and cancer research.
Among the 2024 grantees, America Gives described its mission as promoting and facilitating philanthropy and providing information about charities. The Buckley Institute described its mission as promoting intellectual diversity and freedom of speech at Yale University. Chai Lifeline described itself as an international health support network for children, families, and communities facing illness, crisis, or loss. Special Olympics Massachusetts described its work as providing programming and fostering inclusion for participants across the Commonwealth.
Grantmaking
In 2024, the foundation made 14 grants totaling $32,115. Grant amounts ranged from $50 to $14,702, with a median grant of $442.
The largest grants were $14,702 to Maimonides in Brookline, Massachusetts, for education; $12,000 to Yachad in New York, New York, for education; and $2,000 to Kadimah-Toras Moshe in Brighton, Massachusetts, to fulfill the organization’s charitable purpose. Other 2024 grants included $720 to Chabad Ocean Synagogue for Jewish enrichment, $500 each to America Gives for food insecurity and the Buckley Institute for education, and $450 to Boston Kollel for education and leadership. Chai Lifeline received $72, and Special Olympics Massachusetts received $50.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists James L Rosenzweig and Loren C Rosenzweig as trustees.
James L and Loren C Rosenzweig's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.
Officers on the 2024 filing
Loren C. Rosenzweig
Trustee
On filings since 2020
2 hrs/week
$15K (2020) → $0 (2024)
James L. Rosenzweig
Trustee
On filings since 2020
2 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2020 IRS filing
The highest reported compensation on the 2020 filing was $15K, to Loren Rosenzweig (Trustee).
Frequently asked questions about James L and Loren C Rosenzweig
How much does James L and Loren C Rosenzweig give each year?
James L and Loren C Rosenzweig gave $32K across 14 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $28K across 17 grants.
What is James L and Loren C Rosenzweig's typical grant size?
James L and Loren C Rosenzweig's median grant in 2024 was $443, and its average grant was $2,294, across 14 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from James L and Loren C Rosenzweig that year got $651 on average.
Where does James L and Loren C Rosenzweig give grants?
James L and Loren C Rosenzweig gives mostly in Massachusetts: 56% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was New York (40%). The most frequent recipient cities were New York, NY (3 grants), Brookline, MA (2 grants) and Brighton, MA (2 grants).
Who are James L and Loren C Rosenzweig's largest grantees?
James L and Loren C Rosenzweig's largest 2024 grantees include Maimonides ($14,702), Yachad ($12,000) and Kadimah-Toras Moshe ($2,000), according to its 2024 IRS Form 990-PF. Together they received 89% of its itemized 2024 grant dollars.
How large is James L and Loren C Rosenzweig?
James L and Loren C Rosenzweig reported $630K in total assets on its 2024 IRS Form 990-PF. It paid out $32K in qualifying distributions that year, against a required minimum of $53K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does James L and Loren C Rosenzweig fund?
No mission statement for the foundation is provided. Its 2024 grants show support for organizations working in areas including education, Jewish enrichment, food insecurity, arts, and cancer research. See mission & focus areas ↑
How do I apply for a grant from James L and Loren C Rosenzweig?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
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.
Does James L and Loren C Rosenzweig accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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Figures come from James L and Loren C Rosenzweig's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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