Mollie Zweig Foundation
Mollie Zweig Foundation is a private foundation based in Miami Beach, Florida. It supports charitable organizations through grants, including organizations working in health, wildlife care, conservation, and community and cultural services.
Mollie Zweig Foundation at a glance
In short: Mollie Zweig Foundation gave $98K across 11 grants in 2025 (avg $9K), mostly in Florida. 0% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $98,000
- +15.3% vs 2024
- Grants made (2025)
- 11
- -26.7% vs 2024
- Average grant
- $8,909
- +57.2% vs 2024
- Median grant
- $6,000
- Total assets
- $1,589,544
- +4.0% vs 2024
- New grantees (estimate)
- 0% first-time grantees (0 of 11, 2025; small sample)
- Primary geography
- Florida (61% 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 Mollie Zweig Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations.
- Contact
Mailing address: 1455 Ocean Drive 1108, Miami Beach, FL 33139
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Mollie Zweig Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Mayo Clinic ($20K). Together the top 10 received $95K.
Grant Size Distribution
66 grants across all recorded years
The most common grant size was under $50K: 66 grants of 66 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 61% of grant dollars went to recipients in Florida, 20% to Minnesota, 10% to Washington, DC, 5% to Kansas, and 3% to New York.
Grant Distribution by State
Share of 2025 grant dollars across all 11 itemized grants.
Cities
Is Mollie Zweig Foundation open to new grantees?
0%
first-time grantees, 2025
In 2025, 0 of 11 grantees (0%) were first-time recipients. With only 11 grantees, that is a small sample: one grantee more or less moves the share by about 9 points. How we count
- 100% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+1%). Method
- In 2025 it paid out 95% 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 (2019–2025). 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 2019 to 2025, annual grant giving ranged from $80K (2019) to $98K (2025). In 2025 it made 11 grants totaling $98K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Mayo Clinic Rochester, MN | General Operations | $20,000 |
| Miami Beach JCC Miami Beach, FL | General Operations | $20,000 |
| Sundari Foundation Miami, FL | General Operations | $15,000 |
| Ocean Conservancy Washington, DC | General Operations | $10,000 |
| Pelican Harbor Seabird Station Miami, FL | General Operations | $8,000 |
| University of Miami Coral Gables, FL | General Operations | $6,000 |
| South Florida SPCA Miami Lakes, FL | General Operations | $5,000 |
| Wounded Warrior Project Topeka, KS | General Operations | $5,000 |
| History Miami Museum Miami, FL | General Operations | $3,000 |
| Cure PSP New York, NY | General Operations | $3,000 |
Ready to take the next step with Mollie Zweig 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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $1,589,544 | $195,329 | $121,306 | $98,000 | 11 | $100,900 | $169,623 | $106,095 |
| 2024 | $1,528,130 | $77,309 | $106,598 | $85,000 | 15 | $87,725 | $53,486 | $99,144 |
| 2023 | $1,542,192 | $59,224 | $110,483 | $91,100 | 14 | $93,700 | $37,741 | $87,767 |
| 2022 | $1,593,125 | $82,095 | $117,088 | $97,000 | 13 | $99,675 | $60,332 | $93,415 |
| 2021 | $1,632,613 | $182,497 | $111,641 | $89,500 | 13 | $92,373 | $163,229 | $99,623 |
| 2020 | $1,559,319 | $106,412 | $103,539 | $83,500 | 11 | — | $88,972 | $92,826 |
| 2019 | $1,559,501 | $53,790 | $99,252 | $80,000 | 10 | — | $37,410 | $85,237 |
Under IRS private-foundation payout rules, Mollie Zweig Foundation reported a distributable amount of $106K 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 included support for Mayo Clinic, whose mission is to provide patient care, education, and research to contribute to health and well-being; Ocean Conservancy, which works to protect the ocean through science, people, and policy; and Pelican Harbor Seabird Station, which rescues, rehabilitates, and releases native wildlife. The foundation also gave to the University of Miami; its mission description refers readers to its Form 990.
Grantmaking
In 2025, the foundation made 11 grants totaling $98,000. Grants ranged from $3,000 to $20,000, with a median grant of $6,000. The largest awards were $20,000 each to Mayo Clinic and Miami Beach JCC, and $15,000 to Sundari Foundation. Other notable grants included $10,000 to Ocean Conservancy, $8,000 to Pelican Harbor Seabird Station, and $6,000 to the University of Miami. All listed 2025 grants were for general operations.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Mollie Zweig as president, Alexander Zweig as secretary, and Zachary Zweig as treasurer.
Mollie Zweig Foundation is led by Mollie Zweig, President on every filing since 2019; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Mollie Zweig
President
On filings since 2019
No compensation reported
Alexander Zweig
Secretary
On filings since 2019
No compensation reported
Zachary Zweig
Treasurer
On filings since 2019
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "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 Mollie Zweig Foundation
How much does Mollie Zweig Foundation give each year?
Mollie Zweig Foundation gave $98K across 11 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $85K across 15 grants.
What is Mollie Zweig Foundation's typical grant size?
Mollie Zweig Foundation's median grant in 2025 was $6,000, and its average grant was $8,909, across 11 grants on its 2025 IRS Form 990-PF.
Where does Mollie Zweig Foundation give grants?
Mollie Zweig Foundation gives mostly in Florida: 61% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Minnesota (20%) and District of Columbia (10%). The most frequent recipient cities were Miami, FL (3 grants) and Miami Beach, FL (2 grants).
Does Mollie Zweig Foundation give general operating support?
Yes: 100% of Mollie Zweig Foundation's 2025 grants with a stated purpose (11 of 11) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Mollie Zweig Foundation's largest grantees?
Mollie Zweig Foundation's largest 2025 grantees include Mayo Clinic ($20,000), Miami Beach JCC ($20,000) and Sundari Foundation ($15,000), according to its 2025 IRS Form 990-PF. Together they received 56% of its itemized 2025 grant dollars.
How large is Mollie Zweig Foundation?
Mollie Zweig Foundation reported $1.6M in total assets on its 2025 IRS Form 990-PF. It paid out $101K in qualifying distributions that year, against a required minimum of $106K (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 Mollie Zweig Foundation fund?
No mission statement for the foundation is provided. See mission & focus areas ↑
How do I apply for a grant from Mollie Zweig Foundation?
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Mollie Zweig Foundation's EIN?
Mollie Zweig Foundation's EIN (Employer Identification Number) is 13-4091662. IRS Form 990 filing data is available on this page for 2019–2025.
Does Mollie Zweig 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 September 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 15, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)
- Added Form 990-PF for fiscal year 2019 (received by the IRS August 17, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 13, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 12, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 13, 2024)
Live grants for the work Mollie Zweig Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
- Nixa Affiliate Grantmaking Program Up to US $10,000 · Due October 19, 2026
- Community and School Grants $28,000 total pool; 10-15 grants expected · Due October 19, 2026
- Mary Pinola/Crescenta Valley Chamber Education Fund $500 - $5,000 for ongoing programs; up to $15,000 for Strategic Initiative Grants · Due October 19, 2026
Explore Open Grants
Browse active grant opportunities in Mollie Zweig Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). Mollie Zweig Foundation funder profile. GrantGraph. Retrieved October 19, 2026, from https://grantable.co/funders/mollie-zweig-foundation-morg_3ca415ed38d243b9a96fc6ea9397f9f8
BibTeX
@misc{grantable_134091662_2026,
author = {{Grantable}},
title = {{Mollie Zweig Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/mollie-zweig-foundation-morg_3ca415ed38d243b9a96fc6ea9397f9f8},
note = {Accessed 2026-10-19. 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 Mollie Zweig 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.
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