The Stewart and Marlene Greenebaum
The Stewart and Marlene Greenebaum is a private foundation based in Baltimore, Maryland. Its 2025 filing lists grants to charitable organizations, with giving concentrated in Maryland. Greenebaum Enterprises describes philanthropy as part of its work and says it supports education and medicine.
The Stewart and Marlene Greenebaum at a glance
In short: The Stewart and Marlene Greenebaum gave $680K across 15 grants in 2025 (avg $45K), mostly in Maryland. 42% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $679,752
- +4.3% vs 2024
- Grants made (2025)
- 15
- -11.8% vs 2024
- Average grant
- $45,317
- +18.3% vs 2024
- Median grant
- $16,800
- Total assets
- $5,655,762
- -2.8% vs 2024
- New grantees (estimate)
- 42% first-time grantees (5 of 12, 2025; small sample)
- Primary geography
- Maryland (99% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to The Stewart and Marlene Greenebaum
- Accepts unsolicited proposals
- No
- Contact
Mailing address: 1829 Reisterstown Road 300, Baltimore, MD 21208
Phone: (410) 484-8400
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Stewart and Marlene Greenebaum funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Beth Tfiloh Congregation ($400K). Together the top 10 received $672K.
Grant Size Distribution
67 grants across all recorded years
The most common grant size was under $50K: 54 grants of 67 (81%).
Geographic Focus
Where this funder awards grants
In 2025, 99% of grant dollars went to recipients in Maryland and 1% to recipients in New York.
Grant Distribution by State
Share of 2025 grant dollars across all 15 itemized grants.
States
Cities
Is The Stewart and Marlene Greenebaum open to new grantees?
42%
first-time grantees, 2025
In 2025, 5 of 12 grantees (42%) were first-time recipients. With only 12 grantees, that is a small sample: one grantee more or less moves the share by about 8 points. First grants averaged $21K; repeat grants $82K. How we count
Medians: $6K first-time, $25K repeat.
- 50% of 2025 grantees were also funded in 2024. Method
- Giving fell 62% from 2022 to 2025. Method
- In 2025 it paid out 96% 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 (2020–2025). 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 2025, annual grant giving ranged from $651K (2024) to $2.1M (2023). In 2025 it made 15 grants totaling $680K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Beth Tfiloh Congregation Baltimore, MD | General Funds | $400,000 |
| Education Enhancement Initiative Inc Stevenson, MD | General Funds | $50,000 |
| University of Maryland Medical System Foundation Baltimore, MD | University of Maryland marlene and stewart greenebaum cancer center md half marathon | $40,000 |
| Center for Hope Owings Mills, MD | General Funds | $39,652 |
| The Associated Baltimore, MD | General Funds | $36,000 |
| The Associated Baltimore, MD | General Funds | $36,000 |
| HAR Sinai Oheb Shalom Congregation Baltimore, MD | General Funds | $25,000 |
| Lifebridge Health Corporate Development Owings Mills, MD | General Funds | $16,800 |
| Living Classrooms Foundation Baltimore, MD | General Funds | $10,000 |
| The Signal 13 Foundation Baltimore, MD | General Funds | $10,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $5,655,762 | $575,940 | $741,131 | $679,752 | 15 | $679,752 | $514,561 | $711,202 |
| 2024 | $5,820,953 | $660,914 | $731,003 | $651,455 | 17 | $651,455 | $610,782 | $657,524 |
| 2023 | $5,891,042 | $1,295,968 | $2,154,365 | $2,098,452 | 14 | $2,098,452 | $1,240,055 | $601,886 |
| 2022 | $6,749,439 | $-4,439 | $1,852,779 | $1,798,750 | 10 | $1,798,750 | $151,614 | $678,693 |
| 2021 | $8,606,657 | $2,968,069 | $1,951,287 | $1,882,420 | 11 | $1,882,420 | $538,698 | $706,086 |
| 2020 | $7,589,875 | $2,217,992 | $1,677,455 | $1,657,500 | 5 | — | $699,537 | $530,067 |
Under IRS private-foundation payout rules, The Stewart and Marlene Greenebaum reported a distributable amount of $711K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
The foundation’s 2025 grants include support for congregations, education, health care, youth programming, community services, and an organization supporting Israel’s protectors. Greenebaum Enterprises identifies education and medicine as areas of philanthropic support.
Among the grantees, the University of Maryland Medical System Foundation says it raises charitable funds to safeguard health care excellence for the University of Maryland Medical System. Center for Hope describes its work as advancing hope, healing, and resilience for people impacted by trauma, abuse, and violence through response, treatment, education, and prevention. Living Classrooms Foundation says it provides hands-on education and job training, with special emphasis on at-risk youth. Friends of the Israel Defense Forces says it supports the health, well-being, and education of Israel’s protectors.
Grantmaking
In filing year 2025, the foundation reported 15 grants totaling $679,752. Grant amounts ranged from $1,300 to $400,000, with a median of $16,800. Notable grants included $400,000 to Beth Tfiloh Congregation for general funds; $50,000 to Education Enhancement Initiative Inc. for general funds; $40,000 to the University of Maryland Medical System Foundation for the Maryland Half Marathon benefiting the University of Maryland Marlene and Stewart Greenebaum Cancer Center; and $39,652 to Center for Hope for general funds. The filing also lists two grants to The Associated, each for $36,000 in general funds.
The foundation’s filing states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Michael I. Greenebaum as president, secretary, and treasurer, and Amy R. Burwen as vice president, assistant secretary, and assistant treasurer. Greenebaum Enterprises’ website identifies Michael I. Greenebaum as a director of the Greenebaum Family Foundation and describes his involvement in the family’s philanthropic work.
The Stewart and Marlene Greenebaum is led by Michael I. Greenebaum, President, Secr't & Treasurer on every filing since 2020; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Michael I. Greenebaum
President, Secr't & Treasurer
On filings since 2020
0.1 hrs/week
No compensation reported
Amy R. Burwen
V.p, Assistant Secr't & Assistant T
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 The Stewart and Marlene Greenebaum
How much does The Stewart and Marlene Greenebaum give each year?
The Stewart and Marlene Greenebaum gave $680K across 15 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $651K across 17 grants.
What is The Stewart and Marlene Greenebaum's typical grant size?
The Stewart and Marlene Greenebaum's median grant in 2025 was $16,800, and its average grant was $45,317, across 15 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Stewart and Marlene Greenebaum that year got $21K on average.
Where does The Stewart and Marlene Greenebaum give grants?
The Stewart and Marlene Greenebaum gives mostly in Maryland: 99% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Baltimore, MD (10 grants), Owings Mills, MD (2 grants) and New York, NY (2 grants).
Does The Stewart and Marlene Greenebaum give general operating support?
Yes: 87% of The Stewart and Marlene Greenebaum's 2025 grants with a stated purpose (13 of 15) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Stewart and Marlene Greenebaum's largest grantees?
The Stewart and Marlene Greenebaum's largest 2025 grantees include Beth Tfiloh Congregation ($400,000), The Associated ($72,000 across 2 grants) and Education Enhancement Initiative Inc ($50,000), according to its 2025 IRS Form 990-PF. Together they received 77% of its itemized 2025 grant dollars.
How large is The Stewart and Marlene Greenebaum?
The Stewart and Marlene Greenebaum reported $5.7M in total assets on its 2025 IRS Form 990-PF. It paid out $680K in qualifying distributions that year, against a required minimum of $711K (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 The Stewart and Marlene Greenebaum fund?
The foundation’s 2025 grants include support for congregations, education, health care, youth programming, community services, and an organization supporting Israel’s protectors. Greenebaum Enterprises identifies education and medicine as areas of philanthropic support. See mission & focus areas ↑
How do I apply for a grant from The Stewart and Marlene Greenebaum?
The Stewart and Marlene Greenebaum does not accept unsolicited proposals, according to Grantable's research on its published guidelines.
What is The Stewart and Marlene Greenebaum's EIN?
The Stewart and Marlene Greenebaum's EIN (Employer Identification Number) is 52-2089849. IRS Form 990 filing data is available on this page for 2020–2025.
Does The Stewart and Marlene Greenebaum 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 October 2026.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS July 10, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work The Stewart and Marlene Greenebaum funds
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Cite this profile
Grantable. (2026). The Stewart and Marlene Greenebaum funder profile. GrantGraph. Retrieved October 22, 2026, from https://grantable.co/funders/the-stewart-and-marlene-greenebaum-morg_75c9fd424ae24a32b0c637c7180cdeba
BibTeX
@misc{grantable_522089849_2026,
author = {{Grantable}},
title = {{The Stewart and Marlene Greenebaum funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-stewart-and-marlene-greenebaum-morg_75c9fd424ae24a32b0c637c7180cdeba},
note = {Accessed 2026-10-22. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from The Stewart and Marlene Greenebaum'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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