The Isak and Rose Weinman Foundation Inc
The Isak and Rose Weinman Foundation Inc is a private foundation based in Wilmington, Delaware. In 2025, it awarded $821,000 in grants to 37 organizations, including arts, health care, education, and social-service organizations.
The Isak and Rose Weinman Foundation Inc at a glance
In short: The Isak and Rose Weinman Foundation Inc gave $821K across 37 grants in 2025 (avg $22K), mostly in New York. 8% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $821,000
- +4.3% vs 2024
- Grants made (2025)
- 37
- -7.5% vs 2024
- Average grant
- $22,189
- +12.7% vs 2024
- Median grant
- $15,000
- Total assets
- $16,042,293
- +3.4% vs 2024
- New grantees (estimate)
- 8% first-time grantees (3 of 37, 2025)
- Primary geography
- New York (55% 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 Isak and Rose Weinman Foundation Inc
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests.
- Contact
Mailing address: Foundation Source 501 Silverside Rd, Wilmington, DE 19809-1377
Phone: (800) 839-1754
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Isak and Rose Weinman Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Boston Symphony Orchestra Inc ($55K). Together the top 10 received $455K.
Grant Size Distribution
204 grants across all recorded years
The most common grant size was under $50K: 180 grants of 204 (88%).
Geographic Focus
Where this funder awards grants
In 2025, recipients in New York received 55% of grant dollars, followed by Massachusetts (16%), Connecticut (10%), North Carolina (6%), and Washington, DC (5%).
Grant Distribution by State
Share of 2025 grant dollars across all 37 itemized grants.
States
Cities
Is The Isak and Rose Weinman Foundation Inc open to new grantees?
8%
first-time grantees, 2025
In 2025, 3 of 37 grantees (8%) were first-time recipients. First grants averaged $6K; repeat grants $24K. How we count
Medians: $8K first-time, $18K repeat.
- 92% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−8%). Method
- In 2025 it paid out 101% of its IRS minimum distribution (the 5% rule). 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 $510K (2020) to $895K (2022). In 2025 it made 37 grants totaling $821K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Boston Symphony Orchestra Inc Boston, MA | General & Unrestricted | $55,000 |
| Chapel Haven Schleifer Center New Haven, CT | General & Unrestricted | $50,000 |
| Damon Runyon Cancer Research Fnd New York, NY | General & Unrestricted | $50,000 |
| Duke University Durham, NC | General & Unrestricted | $50,000 |
| Trustees of Columbia University New York, NY | General & Unrestricted | $50,000 |
| Planned Parenthood Federation of America Inc Washington, DC | General & Unrestricted | $45,000 |
| Asolo Theater Inc Sarasota, FL | General & Unrestricted | $40,000 |
| Doe Fund Inc New York, NY | General & Unrestricted | $40,000 |
| Norman Rockwell Museum at Stockbridge Inc Stockbridge, MA | General & Unrestricted | $40,000 |
| The New York and Presbyterian Hospital New York, NY | General & Unrestricted | $35,000 |
Ready to take the next step with The Isak and Rose Weinman Foundation Inc?
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 | $16,042,293 | $1,511,349 | $984,233 | $821,000 | 37 | $861,144 | $1,412,027 | $853,739 |
| 2024 | $15,515,177 | $1,851,556 | $947,056 | $787,500 | 40 | $830,368 | $1,752,168 | $869,668 |
| 2023 | $14,610,677 | $1,358,243 | $981,225 | $880,000 | 39 | $915,493 | $1,316,011 | $819,612 |
| 2022 | $14,233,659 | $1,036,680 | $1,013,985 | $895,000 | 42 | $906,830 | $939,217 | $923,095 |
| 2021 | $14,140,964 | $1,511,312 | $1,036,564 | $895,000 | 46 | $900,395 | $1,397,761 | $972,477 |
| 2020 | $13,666,222 | $1,521,183 | $644,867 | $510,000 | 33 | — | $1,414,256 | $833,764 |
Under IRS private-foundation payout rules, The Isak and Rose Weinman Foundation Inc reported a distributable amount of $854K for 2025 — 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 2025 grants show support for organizations working in a range of areas. The Boston Symphony Orchestra describes its mission as presenting music and providing educational and training programs. Chapel Haven Schleifer Center says it provides lifelong individualized services for people with developmental and social disabilities. Planned Parenthood Federation of America describes work providing reproductive and complementary health care and advocating for public policies. NewYork-Presbyterian Hospital describes its work as patient care, teaching, research, and service.
Other 2025 recipients describe missions in music presentation (Carnegie Hall), teaching and research (Northwestern University), free civil legal help (Legal Aid Society in Louisville), and education, charity, and religion (Fairfield University).
Grantmaking
In 2025, the foundation made 37 grants totaling $821,000. Grants ranged from $1,000 to $55,000, with a median grant of $15,000. The largest listed awards were $55,000 to the Boston Symphony Orchestra and $50,000 each to Chapel Haven Schleifer Center, Damon Runyon Cancer Research Foundation, Duke University, and the Trustees of Columbia University. Other listed grants included $45,000 to Planned Parenthood Federation of America, $40,000 each to Asolo Theater and the Doe Fund, and $35,000 to NewYork-Presbyterian Hospital.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Elizabeth Hardiman, David Harding, Barbara Landau, Katie Sherwood, Blair Trippe, Brian Trippe, and Victoria Trippe as directors. David Harding is also listed as secretary and treasurer. Blair Trippe is listed as president and chairman.
The Isak and Rose Weinman Foundation Inc is led by Blair Landau Trippe, Director, President & Chairman since 2022 (on filings since 2020); none of the 7 officers listed in 2025 report compensation.
Officers on the 2025 filing
Blair Landau Trippe
Director, President & Chairman
Secretary & Treasurer → Director, President & Chairman, 2022
On filings since 2020
1 hr/week
No compensation reported
Barbara Landau
Director
On filings since 2021
1 hr/week
No compensation reported
David Harding
Director, Secretary & Treasurer
On filings since 2022
1 hr/week
No compensation reported
Brian Trippe
Director
On filings since 2024
1 hr/week
No compensation reported
Elizabeth Hardiman
Director
On filings since 2024
1 hr/week
No compensation reported
Katie Sherwood
Director
On filings since 2024
1 hr/week
No compensation reported
Victoria Trippe
Director
On filings since 2024
1 hr/week
No compensation reported
Former officers (1)
- Former: Donna Landau Hardiman (2020–2021) — Chairman & President
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 Isak and Rose Weinman Foundation Inc
How much does The Isak and Rose Weinman Foundation Inc give each year?
The Isak and Rose Weinman Foundation Inc gave $821K across 37 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $788K across 40 grants.
What is The Isak and Rose Weinman Foundation Inc's typical grant size?
The Isak and Rose Weinman Foundation Inc's median grant in 2025 was $15,000, and its average grant was $22,189, across 37 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Isak and Rose Weinman Foundation Inc that year got $6K on average.
Where does The Isak and Rose Weinman Foundation Inc give grants?
The Isak and Rose Weinman Foundation Inc gives mostly in New York: 55% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Massachusetts (16%) and Connecticut (10%). The most frequent recipient cities were New York, NY (19 grants), Bronx, NY (2 grants) and Cambridge, MA (2 grants).
Does The Isak and Rose Weinman Foundation Inc give general operating support?
Yes: 100% of The Isak and Rose Weinman Foundation Inc's 2025 grants with a stated purpose (37 of 37) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Isak and Rose Weinman Foundation Inc's largest grantees?
The Isak and Rose Weinman Foundation Inc's largest 2025 grantees include Boston Symphony Orchestra Inc ($55,000), Chapel Haven Schleifer Center ($50,000) and Damon Runyon Cancer Research Fnd ($50,000), according to its 2025 IRS Form 990-PF. Together they received 19% of its itemized 2025 grant dollars.
How large is The Isak and Rose Weinman Foundation Inc?
The Isak and Rose Weinman Foundation Inc reported $16.0M in total assets on its 2025 IRS Form 990-PF. It paid out $861K in qualifying distributions that year, against a required minimum of $854K (roughly 5% of its investment assets).
What does The Isak and Rose Weinman Foundation Inc fund?
No mission statement for the foundation is provided. Its 2025 grants show support for organizations working in a range of areas. The Boston Symphony Orchestra describes its mission as presenting music and providing educational and training programs. See mission & focus areas ↑
How do I apply for a grant from The Isak and Rose Weinman Foundation Inc?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Isak and Rose Weinman Foundation Inc's EIN?
The Isak and Rose Weinman Foundation Inc's EIN (Employer Identification Number) is 13-6110132. IRS Form 990 filing data is available on this page for 2020–2025.
Does The Isak and Rose Weinman Foundation Inc 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
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). The Isak and Rose Weinman Foundation Inc funder profile. GrantGraph. Retrieved October 22, 2026, from https://grantable.co/funders/the-isak-and-rose-weinman-foundation-inc-morg_9344f39947fd4926be1aec54cff7323f
BibTeX
@misc{grantable_136110132_2026,
author = {{Grantable}},
title = {{The Isak and Rose Weinman Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-isak-and-rose-weinman-foundation-inc-morg_9344f39947fd4926be1aec54cff7323f},
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 Isak and Rose Weinman Foundation Inc'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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