The David and Lynne Weinberg
The David and Lynne Weinberg is a private foundation based in Chicago, Illinois. In its 2025 filing, it reported 15 grants totaling $435,000 to charitable organizations.
The David and Lynne Weinberg at a glance
In short: The David and Lynne Weinberg gave $435K across 15 grants in 2025 (avg $29K), mostly in Massachusetts. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $435,000
- +69.9% vs 2024
- Grants made (2025)
- 15
- +7.1% vs 2024
- Average grant
- $29,000
- +58.6% vs 2024
- Median grant
- $10,000
- Total assets
- $4,578,918
- -1.0% vs 2024
- Primary geography
- Massachusetts (57% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to The David and Lynne Weinberg
- 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: 401 N Michigan Ave 3050, Chicago, IL 60611
Phone: (312) 236-3836
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The David and Lynne Weinberg funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Harvard Kennedy School- Belfer Center ($250K). Together the top 10 received $405K.
Grant Size Distribution
35 grants across all recorded years
The most common grant size was under $50K: 25 grants of 35 (71%).
Geographic Focus
Where this funder awards grants
In 2025, reported grant dollars went to recipients in Massachusetts (57%), New York (20%), Illinois (17%), Missouri (2%), and California (2%).
Grant Distribution by State
Share of 2025 grant dollars across all 15 itemized grants.
Cities
How The David and Lynne Weinberg gives
- 53% of 2025 grantees were also funded in 2024. Method
- Giving grew 117% from 2022 to 2025. Method
- In 2025 it paid out 126% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (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 2021 to 2025, annual grant giving ranged from $60K (2021) to $435K (2025). In 2025 it made 15 grants totaling $435K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Harvard Kennedy School- Belfer Center Cambridge, MA | General, Charitable, Religious, Educational or Scientific Purpose | $250,000 |
| Council on Foreign Relations New York, NY | General, Charitable, Religious, Educational or Scientific Purpose | $50,000 |
| Commercial Club Foundation Chicago, IL | General, Charitable, Religious, Educational or Scientific Purpose | $30,000 |
| Thornwillow Institute Ltd Newburgh, NY | General, Charitable, Religious, Educational or Scientific Purpose | $15,000 |
| City Harvest Brooklyn, NY | General, Charitable, Religious, Educational or Scientific Purpose | $10,000 |
| Greater Chicago Food Depository Chicago, IL | General, Charitable, Religious, Educational or Scientific Purpose | $10,000 |
| Illinois Coalition for Immigrant & Refugee Rights Chicago, IL | General, Charitable, Religious, Educational or Scientific Purpose | $10,000 |
| North Shore Congregation Israel Glencoe, IL | General, Charitable, Religious, Educational or Scientific Purpose | $10,000 |
| PKD Foundation Kansas City, MO | General, Charitable, Religious, Educational or Scientific Purpose | $10,000 |
| SF Marin Food Bank San Francisco, CA | General, Charitable, Religious, Educational or Scientific Purpose | $10,000 |
Ready to take the next step with The David and Lynne Weinberg?
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 | $4,578,918 | $402,351 | $447,224 | $435,000 | 15 | $439,355 | $213,946 | $348,904 |
| 2024 | $4,623,202 | $225,866 | $273,073 | $256,000 | 14 | $261,957 | $220,620 | $328,504 |
| 2023 | $4,670,189 | $214,192 | $338,281 | $325,000 | 3 | $330,240 | $208,911 | $307,937 |
| 2022 | $4,794,558 | $164,396 | $211,552 | $200,000 | 1 | $203,628 | $159,632 | $320,685 |
| 2021 | $4,843,360 | $4,869,438 | $78,902 | $60,000 | 2 | $74,212 | $115,948 | $183,095 |
Under IRS private-foundation payout rules, The David and Lynne Weinberg reported a distributable amount of $349K 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 a range of organizations. For example, the Council on Foreign Relations describes itself as an independent, nonpartisan membership organization, think tank, and publisher. The Chicago Council on Global Affairs describes its work as providing insight on global issues, advancing policy solutions, and fostering dialogue.
Other recipients describe distinct missions: the Greater Chicago Food Depository says it works to end hunger; the PKD Foundation says it funds research, advocates for patients, and builds community for people affected by PKD; Thornwillow Institute says it promotes and perpetuates craftsmanship; and Everytown for Gun Safety Support Fund says it conducts research, develops evidence-based policies, and advances gun safety and violence prevention.
Grantmaking
In filing year 2025, the foundation reported 15 grants totaling $435,000. Grant amounts ranged from $5,000 to $250,000, with a median of $10,000.
The largest reported grants included $250,000 to the Harvard Kennedy School–Belfer Center, $50,000 to the Council on Foreign Relations, $30,000 to the Commercial Club Foundation, and $15,000 to Thornwillow Institute. Other reported grants included $10,000 each to City Harvest, the Greater Chicago Food Depository, the Illinois Coalition for Immigrant & Refugee Rights, North Shore Congregation Israel, the PKD Foundation, SF Marin Food Bank, and the Chicago Council on Global Affairs; and $5,000 to Everytown for Gun Safety Support Fund. The stated purpose for these grants was “general, charitable, religious, educational or scientific purpose.”
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists David B. Weinberg as president, treasurer, and director; Lynne M. Weinberg as vice president, secretary, and director; and Julia S. Weinberg, Jonathan M. Weinberg, and Jane L. Weinberg as vice presidents and directors.
The David and Lynne Weinberg is led by David B. Weinberg, President, Treasurer & Director on every filing since 2021; none of the 5 officers listed in 2025 report compensation.
Officers on the 2025 filing
David B. Weinberg
President, Treasurer & Director
On filings since 2021
0.5 hrs/week
No compensation reported
Jane L. Weinberg
Vice President & Director
On filings since 2021
0.1 hrs/week
No compensation reported
Jonathan M. Weinberg
Vice President & Director
On filings since 2021
0.1 hrs/week
No compensation reported
Julia S. Weinberg
Vice President & Director
On filings since 2021
0.1 hrs/week
No compensation reported
Lynne M. Weinberg
Vice President, Secretary & Director
On filings since 2021
0.5 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "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 David and Lynne Weinberg
How much does The David and Lynne Weinberg give each year?
The David and Lynne Weinberg gave $435K across 15 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $256K across 14 grants.
What is The David and Lynne Weinberg's typical grant size?
The David and Lynne Weinberg's median grant in 2025 was $10,000, and its average grant was $29,000, across 15 grants on its 2025 IRS Form 990-PF.
Where does The David and Lynne Weinberg give grants?
The David and Lynne Weinberg gives mostly in Massachusetts: 57% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New York (20%) and Illinois (17%). The most frequent recipient cities were Chicago, IL (4 grants) and New York, NY (3 grants).
Does The David and Lynne Weinberg give general operating support?
Yes: 100% of The David and Lynne Weinberg's 2025 grants with a stated purpose (15 of 15) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The David and Lynne Weinberg's largest grantees?
The David and Lynne Weinberg's largest 2025 grantees include Harvard Kennedy School- Belfer Center ($250,000), Council on Foreign Relations ($50,000) and Commercial Club Foundation ($30,000), according to its 2025 IRS Form 990-PF. Together they received 76% of its itemized 2025 grant dollars.
How large is The David and Lynne Weinberg?
The David and Lynne Weinberg reported $4.6M in total assets on its 2025 IRS Form 990-PF. It paid out $439K in qualifying distributions that year, against a required minimum of $349K (roughly 5% of its investment assets).
What does The David and Lynne Weinberg fund?
No mission statement for the foundation is provided. Its 2025 grants show support for a range of organizations. For example, the Council on Foreign Relations describes itself as an independent, nonpartisan membership organization, think tank, and publisher. See mission & focus areas ↑
How do I apply for a grant from The David and Lynne Weinberg?
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 David and Lynne Weinberg's EIN?
The David and Lynne Weinberg's EIN (Employer Identification Number) is 45-4421956. IRS Form 990 filing data is available on this page for 2021–2025.
Does The David and Lynne Weinberg 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
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2021 (received by the IRS June 6, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS June 29, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 14, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 13, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 27, 2026)
- IRS filings on file for fiscal years 2021–2024
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Cite this profile
Grantable. (2026). The David and Lynne Weinberg funder profile. GrantGraph. Retrieved October 14, 2026, from https://grantable.co/funders/the-david-and-lynne-weinberg-morg_732914bc2e1d4fe0be936a8682e9cfd0
BibTeX
@misc{grantable_454421956_2026,
author = {{Grantable}},
title = {{The David and Lynne Weinberg funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-david-and-lynne-weinberg-morg_732914bc2e1d4fe0be936a8682e9cfd0},
note = {Accessed 2026-10-14. 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 David and Lynne Weinberg'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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