The David & Sondra Mack Family
The David & Sondra Mack Family is a private foundation based in Fort Lee, New Jersey. In 2024, it reported 188 grants totaling $2,901,964 to charitable organizations, with listed recipients including a university, health organizations, cultural organizations, and Jewish organizations.
The David & Sondra Mack Family at a glance
In short: The David & Sondra Mack Family gave $2.9M across 188 grants in 2024 (avg $15K), mostly in New York. 33% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $2,901,964
- -1.9% vs 2023
- Grants made (2024)
- 188
- -1.6% vs 2023
- Average grant
- $15,436
- -0.4% vs 2023
- Median grant
- $3,500
- Total assets
- $16,855,532
- -3.8% vs 2023
- New grantees (estimate)
- 33% first-time grantees (62 of 188, 2024)
- Primary geography
- New York (72% 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 David & Sondra Mack Family
- 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: One Bridge Plaza 260, Fort Lee, NJ 07024
Phone: (201) 346-5400
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The David & Sondra Mack Family funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Hofstra University ($925K). Together the top 10 received $2.0M.
Grant Size Distribution
672 grants across all recorded years
The most common grant size was under $50K: 634 grants of 672 (94%).
Geographic Focus
Where this funder awards grants
In 2024, 72% of grant dollars went to recipients in New York and 19% to recipients in Florida. Smaller shares went to Virginia (2%), Georgia (2%), and the District of Columbia (1%).
Grant Distribution by State
Share of 2024 grant dollars across all 188 itemized grants.
States
Cities
Is The David & Sondra Mack Family open to new grantees?
33%
first-time grantees, 2024
In 2024, 62 of 188 grantees (33%) were first-time recipients. First grants averaged $4K; repeat grants $21K. How we count
Medians: $3K first-time, $5K repeat.
- 60% of 2024 grantees were also funded in 2023. Method
- Giving fell 36% from 2021 to 2024. Method
- In 2024 it paid out 343% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2021–2024). 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 2021 to 2024, annual grant giving ranged from $2.9M (2024) to $4.5M (2021). In 2024 it made 188 grants totaling $2.9M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Hofstra University Hempstead, NY | Exempt Purpose | $925,000 |
| Temple Israel Great Neck, NY | Exempt Purpose | $277,170 |
| Kravis Center West Palm Beach, FL | Exempt Purpose | $250,000 |
| Jewish Federation New York, NY | Exempt Purpose | $115,000 |
| Northwell Health Foundation New Hyde Park, NY | Exempt Purpose | $112,000 |
| UJA Federation of New York New York, NY | Exempt Purpose | $100,000 |
| American Friends Alexandria, VA | Exempt Purpose | $68,100 |
| Palm Beach Police Palm Beach, FL | Exempt Purpose | $45,000 |
| Met Council New York, NY | Exempt Purpose | $40,000 |
| Temple Emanu-El New York, NY | Exempt Purpose | $39,155 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $16,855,532 | $3,276,406 | $3,066,302 | $2,901,964 | 188 | $2,901,964 | $112,068 | $844,919 |
| 2023 | $17,519,180 | $3,142,098 | $2,965,856 | $2,959,130 | 191 | $2,959,130 | $386,473 | $848,488 |
| 2022 | $17,155,323 | $3,832,153 | $3,752,690 | $3,509,812 | 159 | $3,509,812 | $1,089,275 | $797,757 |
| 2021 | $16,014,772 | $4,858,450 | $4,525,385 | $4,519,089 | 134 | $4,519,089 | $856,851 | $792,404 |
Under IRS private-foundation payout rules, The David & Sondra Mack Family reported a distributable amount of $845K for 2024 — 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 2024 grants show support for organizations with varied purposes. For example, Hofstra University describes itself as an institution of higher learning offering undergraduate, graduate, and professional programs, as well as co-curricular and cultural activities. Northwell Health Foundation says it links philanthropic support to work including helping underserved and uninsured people, advancing medical technology and research, and supporting facilities and programs within Northwell Health.
Other 2024 recipients include FoundCare, which describes its mission as providing quality healthcare and social services for individuals and families, and Birthright Israel Foundation, which says it raises funds to support educational trips to Israel for young Jewish adults.
Grantmaking
In 2024, the foundation reported 188 grants totaling $2,901,964. Grant amounts ranged from $10 to $925,000, with a median grant of $3,500.
Among its largest 2024 grants were $925,000 to Hofstra University, $277,170 to Temple Israel, $250,000 to Kravis Center, $115,000 to Jewish Federation, $112,000 to Northwell Health Foundation, and $100,000 to UJA Federation of New York. Each was listed with the purpose “exempt purpose.” Other reported grants included $25,000 to FoundCare and $17,000 to Birthright Israel Foundation.
Leadership & Key People
Leadership team and compensation from IRS filings
David Mack is listed as a trustee on the foundation’s 2024 filing.
The David & Sondra Mack Family is led by David Mack, Trustee on every filing since 2021 — the only officer listed, and uncompensated.
Officers on the 2024 filing
David Mack
Trustee
On filings since 2021
No compensation reported
Data from IRS Form 990 filings, 2021–2024. "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 David & Sondra Mack Family
How much does The David & Sondra Mack Family give each year?
The David & Sondra Mack Family gave $2.9M across 188 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $3.0M across 191 grants.
What is The David & Sondra Mack Family's typical grant size?
The David & Sondra Mack Family's median grant in 2024 was $3,500, and its average grant was $15,436, across 188 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from The David & Sondra Mack Family that year got $4K on average.
Where does The David & Sondra Mack Family give grants?
The David & Sondra Mack Family gives mostly in New York: 72% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was Florida (19%). The most frequent recipient cities were New York, NY (53 grants), West Palm Beach, FL (10 grants), Washington, DC (7 grants) and Palm Beach, FL (6 grants).
Who are The David & Sondra Mack Family's largest grantees?
The David & Sondra Mack Family's largest 2024 grantees include Hofstra University ($925,000), Temple Israel ($277,170) and Kravis Center ($250,000), according to its 2024 IRS Form 990-PF. Together they received 50% of its itemized 2024 grant dollars.
How large is The David & Sondra Mack Family?
The David & Sondra Mack Family reported $16.9M in total assets on its 2024 IRS Form 990-PF. It paid out $2.9M in qualifying distributions that year, against a required minimum of $845K (roughly 5% of its investment assets).
What does The David & Sondra Mack Family fund?
No mission statement for the foundation is provided. Its 2024 grants show support for organizations with varied purposes. See mission & focus areas ↑
How do I apply for a grant from The David & Sondra Mack Family?
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 & Sondra Mack Family's EIN?
The David & Sondra Mack Family's EIN (Employer Identification Number) is 22-3632663. IRS Form 990 filing data is available on this page for 2021–2024.
Does The David & Sondra Mack Family 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
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2021–2024
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Cite this profile
Grantable. (2026). The David & Sondra Mack Family funder profile. GrantGraph. Retrieved October 10, 2026, from https://grantable.co/funders/the-david-and-sondra-mack-family-morg_3a7bb977f8d74dd898873cffc9075d0d
BibTeX
@misc{grantable_223632663_2026,
author = {{Grantable}},
title = {{The David \& Sondra Mack Family funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-david-and-sondra-mack-family-morg_3a7bb977f8d74dd898873cffc9075d0d},
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 David & Sondra Mack Family'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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