Mack Foundation
Mack Foundation is a private foundation based in New York, New York. Its 2025 filing reports 15 grants totaling $6,270 to organizations in several states.
Mack Foundation at a glance
In short: Mack Foundation gave $6K across 15 grants in 2025 (avg $418), mostly in Connecticut. 47% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $6,270
- +71.2% vs 2024
- Grants made (2025)
- 15
- +87.5% vs 2024
- Average grant
- $418
- -8.7% vs 2024
- Median grant
- $250
- Total assets
- $42,913
- +1.7% vs 2024
- New grantees (estimate)
- 47% first-time grantees (7 of 15, 2025; small sample)
- Primary geography
- Connecticut (71% 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 Mack Foundation
- How to Apply
-
Contact Jeremy Mack with a letter stating the purpose. The filing states that there are no award restrictions.
- Review Cycle
- None, as stated on the 2025 filing.
- Deadline
- None, as stated on the 2025 filing.
- Contact
Application contact: Jeremy Mack
Mailing address: 6 Tandem Lane, Sherman, CT 06784
Phone: (212) 987-2815
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Mack Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Jewish Community Center of Sherman ($3K). Together the top 10 received $6K.
Grant Size Distribution
82 grants across all recorded years
The most common grant size was under $50K: 82 grants of 82 (100%).
Geographic Focus
Where this funder awards grants
In 2025, Connecticut received 71% of grant dollars, New York 13%, New Hampshire 8%, South Carolina 5%, and Wisconsin 2%, as reported in the filing. These figures describe the locations of that year’s grant recipients.
Grant Distribution by State
Share of 2025 grant dollars across all 15 itemized grants.
States
Cities
Is Mack Foundation open to new grantees?
47%
first-time grantees, 2025
In 2025, 7 of 15 grantees (47%) were first-time recipients. With only 15 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. First grants averaged $164; repeat grants $640. How we count
Medians: $150 first-time, $375 repeat.
- 20% of 2025 grantees were also funded in 2024. Method
- Giving fell 44% from 2022 to 2025. Method
- In 2025 it paid out 301% 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 $4K (2024) to $14K (2020). In 2025 it made 15 grants totaling $6K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Jewish Community Center of Sherman Sherman, CT | Program Assistance | $2,500 |
| The Sherman Library Sherman, CT | Community Based Programs | $770 |
| Metropolitan Museum of Art New York, NY | Program Assistance | $600 |
| Apple Hill Center Sullivan, NH | Donation | $500 |
| Association of Religious Communities Danbury, CT | Donation | $250 |
| Connecticut Audubon Society Fairfield, CT | Donation | $250 |
| Sherman Chamber Ensemble Sherman, CT | Donation | $250 |
| The Northwest Connecticut Land Conservancy Kent, CT | Donation | $250 |
| Museum of Modern Art New York, NY | Donation | $200 |
| My Sister's House North Charleston, SC | Donation | $150 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $42,913 | $9,383 | $8,189 | $6,270 | 15 | $6,270 | $871 | $2,084 |
| 2024 | $42,189 | $838 | $8,576 | $3,663 | 8 | $3,663 | $538 | $171 |
| 2023 | $44,427 | $12,330 | $14,246 | $10,140 | 22 | $11,908 | $8,739 | — |
| 2022 | $32,358 | $17,996 | $13,157 | $11,180 | 14 | $11,180 | $646 | $69 |
| 2021 | $28,985 | $11,480 | $16,863 | $10,686 | 23 | $10,686 | — | $1,635 |
| 2020 | $34,368 | $21,466 | $14,621 | $14,000 | 9 | — | $32 | $1,853 |
Under IRS private-foundation payout rules, Mack Foundation reported a distributable amount of $2K 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 foundation mission is stated in the available information. The 2025 grants show support for a range of organizations. For example, the Metropolitan Museum of Art says it connects people to creativity, knowledge, and ideas through works of art; the Connecticut Audubon Society says it protects birds, other wildlife, and habitats through conservation, education, and advocacy. Shield Ministries describes its work as providing re-entry education in a Christian environment, while My Sister’s House says it empowers victims of domestic violence and their children to be free from abuse.
Grantmaking
In 2025, the foundation gave $6,270 through 15 grants. Grant amounts ranged from $100 to $2,500, with a median of $250. The largest awards were $2,500 to the Jewish Community Center of Sherman for program assistance and $770 to the Sherman Library for community-based programs. Other listed grants included $600 to the Metropolitan Museum of Art, $500 to Apple Hill Center, and $250 each to the Association of Religious Communities, Connecticut Audubon Society, Sherman Chamber Ensemble, and Northwest Connecticut Land Conservancy.
The foundation’s 2025 filing says it does not restrict giving to preselected organizations. It instructs applicants to send a letter stating the purpose. The filing lists no award restrictions.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Jeremy Mack as president.
Mack Foundation is led by Jeremy Mack, President on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Jeremy Mack
President
On filings since 2020
5 hrs/week
No compensation reported
Former officers (1)
- Former: Elizabeth Mack (2022) — CFO
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 Mack Foundation
How much does Mack Foundation give each year?
Mack Foundation gave $6K across 15 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $4K across 8 grants.
What is Mack Foundation's typical grant size?
Mack Foundation's median grant in 2025 was $250, and its average grant was $418, across 15 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Mack Foundation that year got $164 on average.
Where does Mack Foundation give grants?
Mack Foundation gives mostly in Connecticut: 71% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New York (13%) and New Hampshire (8%). The most frequent recipient cities were Sherman, CT (4 grants), New York, NY (2 grants) and North Charleston, SC (2 grants).
Does Mack Foundation give general operating support?
Not in 2025: none of the 15 grants with a stated purpose on Mack Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Donation" (12 grants).
Who are Mack Foundation's largest grantees?
Mack Foundation's largest 2025 grantees include Jewish Community Center of Sherman ($2,500), The Sherman Library ($770) and Metropolitan Museum of Art ($600), according to its 2025 IRS Form 990-PF. Together they received 62% of its itemized 2025 grant dollars.
How large is Mack Foundation?
Mack Foundation reported $43K in total assets on its 2025 IRS Form 990-PF. It paid out $6K in qualifying distributions that year, against a required minimum of $2K (roughly 5% of its investment assets).
What does Mack Foundation fund?
No foundation mission is stated in the available information. The 2025 grants show support for a range of organizations. See mission & focus areas ↑
How do I apply for a grant from Mack Foundation?
Contact Jeremy Mack with a letter stating the purpose. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Mack Foundation's EIN?
Mack Foundation's EIN (Employer Identification Number) is 22-1710927. IRS Form 990 filing data is available on this page for 2020–2025.
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 2020 (received by the IRS April 7, 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 April 24, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS April 1, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS March 20, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)
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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from Mack 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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