The Malcolm Hewitt Wiener Foundation
The Malcolm Hewitt Wiener Foundation is a private foundation based in New York, NY. Its 2024 filing reports 82 grants totaling $1,778,000 to charitable organizations.
The Malcolm Hewitt Wiener Foundation at a glance
In short: The Malcolm Hewitt Wiener Foundation gave $1.8M across 82 grants in 2024 (avg $22K), top state New York. 33% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $1,778,000
- -1.6% vs 2023
- Grants made (2024)
- 82
- -9.9% vs 2023
- Average grant
- $21,683
- +9.2% vs 2023
- Median grant
- $7,000
- Total assets
- $10,902,731
- +2.1% vs 2023
- New grantees (estimate)
- 33% first-time grantees (25 of 76, 2024)
- Primary geography
- New York (46% 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 The Malcolm Hewitt Wiener Foundation
- 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: 55 West 46Th Street 31St Floor, New York, NY 10036
Phone: (212) 332-7300
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Malcolm Hewitt Wiener Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Dana-Farber Cancer Institute ($500K). Together the top 10 received $1.2M.
Grant Size Distribution
464 grants across all recorded years
The most common grant size was under $50K: 393 grants of 464 (85%).
Geographic Focus
Where this funder awards grants
In 2024, 46% of grant dollars went to recipients in New York and 39% to recipients in Massachusetts. The remaining reported shares were 4% each to recipients in Washington, DC, and Connecticut, and 2% to recipients in Pennsylvania.
Grant Distribution by State
Share of 2024 grant dollars across all 82 itemized grants.
States
Cities
Is The Malcolm Hewitt Wiener Foundation open to new grantees?
33%
first-time grantees, 2024
In 2024, 25 of 76 grantees (33%) were first-time recipients. First grants averaged $32K; repeat grants $19K. How we count
Medians: $10K first-time, $5K repeat.
- 64% of 2024 grantees were also funded in 2023. Method
- Giving fell 79% from 2021 to 2024. Method
- In 2024 it paid out 466% of its IRS minimum distribution (the 5% rule). 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 $1.8M (2024) to $12.5M (2022). In 2024 it made 82 grants totaling $1.8M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Dana-Farber Cancer Institute Boston, MA | To Advance Bcor Fusion Positive Sarcoma Research | $500,000 |
| Alzheimer's Drug Discovery Foundation New York, NY | Clinical Trials + General Fund | $100,000 |
| Doctors Without Borders Aka Medecins Sans Frontieres New York, NY | Unrestricted funding to be used for greatest need at msf discretion | $100,000 |
| Harvard University Cambridge, MA | Science of the human past $400,000 extended pledge (2022-2025) | $100,000 |
| International Rescue Committee New York, NY | Unrestricted Grant to Be Used Where Most Needed | $100,000 |
| The Metropolitan Museum of Art New York, NY | Support for european paintings dept. Siena panel painting show | $100,000 |
| Cornell Tech Ithaca, NY | Annual Fund | $50,000 |
| Council on Foreign Relations New York, NY | Chairman's Circle | $50,000 |
| Robin Hood Foundation New York, NY | Annual Fund | $50,000 |
| Harvard University Cambridge, MA | $200,00 pledge over 5 years to honor dean elmendorf fellowship (2024-2028) | $40,000 |
Ready to take the next step with The Malcolm Hewitt Wiener Foundation?
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 | $10,902,731 | $2,786,898 | $2,381,776 | $1,778,000 | 82 | $2,235,305 | $2,445,958 | $480,004 |
| 2023 | $10,673,729 | $2,485,219 | $2,438,280 | $1,806,250 | 91 | $2,245,782 | $2,346,715 | $520,440 |
| 2022 | $11,628,626 | $5,471,565 | $13,040,510 | $12,463,546 | 115 | $12,784,457 | $5,366,178 | $1,010,555 |
| 2021 | $28,086,605 | $4,501,400 | $8,948,444 | $8,440,326 | 102 | $8,589,880 | $4,068,835 | $1,501,727 |
| 2020 | $31,981,605 | $2,525,268 | $6,378,181 | $5,872,534 | 74 | — | $2,266,398 | $1,411,593 |
Under IRS private-foundation payout rules, The Malcolm Hewitt Wiener Foundation reported a distributable amount of $480K for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
No foundation mission statement is provided. The grantees’ own descriptions show the range of organizations supported: the International Rescue Committee says it responds to humanitarian crises and helps people affected by conflict and disaster; the Alzheimer’s Drug Discovery Foundation says it accelerates discovery of treatments and cures for Alzheimer’s disease and related dementias; and the Center for Appellate Litigation says it handles appeals and post-conviction proceedings for criminal defendants in New York.
Other supported organizations describe work in areas including healthcare for underserved rural communities, meals during humanitarian and other crises, and appellate representation for people appealing criminal convictions. The foundation’s listed grant purposes also include cancer research, historical research, museum exhibitions and acquisitions, and university programs.
Grantmaking
In 2024, the foundation reported 82 grants totaling $1,778,000. Grants ranged from $500 to $500,000, with a median grant of $7,000. Among the largest grants were $500,000 to Dana-Farber Cancer Institute for research on BCOR fusion-positive sarcoma; $100,000 each to the Alzheimer’s Drug Discovery Foundation, Doctors Without Borders, the International Rescue Committee, Harvard University, and the Metropolitan Museum of Art; and $50,000 each to Cornell Tech, the Council on Foreign Relations, and the Robin Hood Foundation.
The 2024 filing also lists grants of $20,000 each to the Center for Appellate Litigation and Appellate Advocates, $15,000 each to Plan A Health and World Central Kitchen, and $10,000 to Fairfield University.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Carolyn S. Wiener as president; Harvey Beker as treasurer; Gregg Buckbinder as secretary and assistant treasurer; Catherine Ford, Elizabeth Wiener, and Thomas Wiener as vice presidents; Jonathan Wiener as executive vice president; and Malcolm H. Wiener as founder. Henry Davis and David Ellwood are listed as directors.
The Malcolm Hewitt Wiener Foundation is led by Carolyn S. Wiener, President since 2023 (on filings since 2020); none of the 11 officers listed in 2024 report compensation.
Officers on the 2024 filing
Carolyn S. Wiener
President
Vice President → President, 2023
On filings since 2020
3 hrs/week
No compensation reported
David Ellwood
Director
On filings since 2020
0.3 hrs/week
No compensation reported
Graham Allison
Director
On filings since 2020
0.3 hrs/week
No compensation reported
Henry Davis
Director
On filings since 2020
0.3 hrs/week
No compensation reported
Catherine Ford
Vice President
Director → Vice President, 2023
On filings since 2020
0.3 hrs/week
No compensation reported
Elizabeth Wiener
Vice President
Director → Vice President, 2023
On filings since 2020
0.3 hrs/week
No compensation reported
Gregg Buckbinder
Secretary & Assistant Treasurer
On filings since 2020
0.3 hrs/week
No compensation reported
Harvey Beker
Treasurer
On filings since 2020
0.3 hrs/week
No compensation reported
Malcolm H. Wiener
Founder
President → Founder, 2023
On filings since 2020
0.3 hrs/week
No compensation reported
Jonathan Wiener
Executive Vice President
Director → Executive Vice President, 2023
On filings since 2021
0.3 hrs/week
No compensation reported
Thomas Wiener
Vice President
Director → Vice President, 2023
On filings since 2021
0.3 hrs/week
No compensation reported
Former officers (1)
- Former: Philip Betancourt (2020–2022) — Director
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.
Frequently asked questions about The Malcolm Hewitt Wiener Foundation
How much does The Malcolm Hewitt Wiener Foundation give each year?
The Malcolm Hewitt Wiener Foundation gave $1.8M across 82 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $1.8M across 91 grants.
What is The Malcolm Hewitt Wiener Foundation's typical grant size?
The Malcolm Hewitt Wiener Foundation's median grant in 2024 was $7,000, and its average grant was $21,683, across 82 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from The Malcolm Hewitt Wiener Foundation that year got $32K on average.
Where does The Malcolm Hewitt Wiener Foundation give grants?
The Malcolm Hewitt Wiener Foundation's top state is New York, with 46% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest state was Massachusetts (39%). The most frequent recipient cities were New York, NY (29 grants), Greenwich, CT (7 grants), Washington, DC (6 grants) and Boston, MA (4 grants).
Does The Malcolm Hewitt Wiener Foundation give general operating support?
Yes: 34% of The Malcolm Hewitt Wiener Foundation's 2024 grants with a stated purpose (28 of 82) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are The Malcolm Hewitt Wiener Foundation's largest grantees?
The Malcolm Hewitt Wiener Foundation's largest 2024 grantees include Dana-Farber Cancer Institute ($500,000), Harvard University ($140,500 across 3 grants) and The Metropolitan Museum of Art ($121,000 across 3 grants), according to its 2024 IRS Form 990-PF. Together they received 43% of its itemized 2024 grant dollars.
How large is The Malcolm Hewitt Wiener Foundation?
The Malcolm Hewitt Wiener Foundation reported $10.9M in total assets on its 2024 IRS Form 990-PF. It paid out $2.2M in qualifying distributions that year, against a required minimum of $480K (roughly 5% of its investment assets).
What does The Malcolm Hewitt Wiener Foundation fund?
No foundation mission statement is provided. See mission & focus areas ↑
How do I apply for a grant from The Malcolm Hewitt Wiener Foundation?
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 The Malcolm Hewitt Wiener Foundation's EIN?
The Malcolm Hewitt Wiener Foundation's EIN (Employer Identification Number) is 13-3250321. IRS Form 990 filing data is available on this page for 2020–2024.
Does The Malcolm Hewitt Wiener Foundation 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
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in The Malcolm Hewitt Wiener Foundation's focus areas in our free grants database
Similar Funders
Funders with grantees in common, and similar funders in New York
The Chicago Community Trust
Chicago, IL
The Chicago Community Trust funds eligible nonprofits working to narrow the wealth gap and meet urgent needs, with priorities including economic mobility, education, jobs, homeownership, and community development in metropolitan Chicago and Cook County. Its 2025 grants had a median of $26,500, though amounts varied widely; the profile does not state whether it accepts unsolicited requests.
Assets
$7.1B
Grants
4,316
Total Given
$1.2B
The Ford Foundation
New York, NY
The Ford Foundation funds organizations and initiatives working to reduce inequality and advance social justice, including work on civic engagement, civil rights, climate justice, disability rights, and technology and society. In 2024, its grants ranged from $45 to $15 million, with a median of $100,000, supporting work in the U.S. and internationally. It says most grants are identified by the foundation and it does not accept unsolicited proposals by mail, email, or phone; limited opportunities may be offered separately.
Assets
$17.5B
Grants
4,007
Total Given
$844.7M
The New York Community Trust
New York, NY
The New York Community Trust funds nonprofit programs in areas such as arts, education, health, the environment, workforce development, and youth development, including projects that improve services, build organizational capacity, or advance policy and systems change. Its competitive grants mainly serve New York City, Long Island, and Westchester, with some national and international environmental funding; the 2024 median grant was $20,000. The profile does not state whether it accepts unsolicited requests.
Assets
$3.5B
Grants
2,748
Total Given
$193.8M
The Simons Foundation Inc
New York, NY
The Simons Foundation funds research and public engagement in mathematics and the physical, life, autism, and neuroscience sciences. In 2024, it made 1,727 grants, with a median award of $72,000 and amounts ranging from $1,480 to $20 million, supporting organizations in the U.S. and internationally. It states that it funds only preselected charitable organizations and does not accept unsolicited requests.
Assets
$4.5B
Grants
1,727
Total Given
$272.0M
Local Initiatives Support Corporation
New York, NY
LISC funds affordable housing, community development, small businesses, and related efforts that strengthen inclusive communities, providing grants as well as loans, equity, and technical assistance across the country. Its 2024 grants had a median award of $40,000, though amounts varied widely. Application access is program-specific: for its Rhode Island child care facilities planning grants, applicants are instructed to consult program staff before submitting a request.
Assets
$1.6B
Grants
1,119
Total Given
$102.8M
Wellspring Philanthropic Fund Inc
New York, NY
Wellspring Philanthropic Fund supports human rights and social and economic justice, including work on climate, the environment, civic engagement, and Jewish causes, in the United States and internationally. Its 2024 grants had a median of $200,000, with amounts ranging from $500 to $9.75 million. It funds only preselected organizations and does not accept unsolicited requests; it plans to end grantmaking by the end of 2028.
Assets
$134.4M
Grants
1,101
Total Given
$326.0M
More Funders in New York
Cite this profile
Grantable. (2026). The Malcolm Hewitt Wiener Foundation funder profile. GrantGraph. Retrieved October 10, 2026, from https://grantable.co/funders/the-malcolm-hewitt-wiener-foundation-morg_36aa0a9366e24a9c8d17321ef0f662f2
BibTeX
@misc{grantable_133250321_2026,
author = {{Grantable}},
title = {{The Malcolm Hewitt Wiener Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-malcolm-hewitt-wiener-foundation-morg_36aa0a9366e24a9c8d17321ef0f662f2},
note = {Accessed 2026-10-10. 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 Malcolm Hewitt Wiener Foundation'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.
The Malcolm Hewitt Wiener Foundation down — hundreds of funders to go?