The JS Mack Foundation
The JS Mack Foundation is a private foundation, based in Indiana, PA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $4.6M in total assets. In 2025, it awarded 9 grants totaling $66K. Net investment income was $373K.
The JS Mack Foundation at a glance
In short: The JS Mack Foundation gave $66K across 9 grants in 2025 (avg $7K), mostly in Pennsylvania. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $65,750
- Grants made (2025)
- 9
- Average grant
- $7,306
- Median grant
- $10,000
- Total assets
- $4,623,862
- -20.8% vs 2024
- Primary geography
- Pennsylvania (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who The JS Mack Foundation funds
How this funder distributes its grants
Top Recipients
Top 9 recipients in 2025
The largest 2025 recipient was Salvation Army ($10K). Together the top 9 received $66K.
Grant Size Distribution
9 grants across all recorded years
The most common grant size was under $50K: 9 grants of 9 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 9 itemized grants.
States
Cities
How The JS Mack Foundation gives
- In 2025 it paid out 37% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2025 it made 9 grants totaling $66K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Salvation Army Indiana, PA | Assistance with Family Programming in Indiana County | $10,000 |
| Indiana Healthcare Foundation Indiana, PA | Cancer Care Fund, High School Summer Internships | $10,000 |
| YMCA of Indiana County Indiana, PA | Healthy Family Programming Within Indiana County | $10,000 |
| Indiana Fire Association Indiana, PA | Assistance with fire department fundraising for mission of protection of Indiana county residents from structure fires | $10,000 |
| Concordia VNA Indiana, PA | Patient and family assistance with care of homebound individuals in Indiana county | $10,000 |
| Family Promise of Indiana County Indiana, PA | Support of Homeless Families in Indiana County | $5,500 |
| Iccap Indiana, PA | Support of food pantry for Indiana county residents including school aged children | $5,000 |
| The Care Center of Indiana PA Indiana, PA | Support of family programs run by the care center to support abused, neglected and at-risk children in Indiana county | $5,000 |
| Graystone Evangelical Presbyterian Church Indiana, PA | Support of church programs that benefit Indiana county members and recipients | $250 |
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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 | $4,623,862 | $389,003 | $91,100 | $65,750 | 9 | $75,390 | $373,293 | $201,643 |
| 2024 | $5,834,545 | $2,757,605 | $196,524 | — | — | $162,485 | — | $227,897 |
| 2023 | $1,675,420 | $120,554 | $264,350 | — | — | $141,789 | $1,843 | — |
| 2022 | $1,868,604 | $103,263 | $270,380 | — | — | $141,717 | $590 | — |
| 2021 | $2,205,331 | $171,262 | $289,656 | — | — | $133,213 | $2,641 | — |
| 2020 | $2,301,433 | $132,536 | $272,157 | — | — | — | — | — |
Under IRS private-foundation payout rules, The JS Mack Foundation reported a distributable amount of $202K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The JS Mack Foundation is led by Jonathan Mack, President on every filing since 2020; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Jonathan Mack
President
On filings since 2020
5 hrs/week
No compensation reported
David Moore
Trustee
On filings since 2020
1 hr/week
No compensation reported
Mike Clark
Trustee
On filings since 2024
1 hr/week
No compensation reported
Gregory Holsinger
Secretary & Treasurer
On filings since 2020
1 hr/week
No compensation reported
Former officers (3)
- Former: Robert Pollock (2020–2024) — Trustee
- Former: William Simmons (2020–2024) — Trustee
- Former: Michael Clark (2020–2023) — Trustee
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 JS Mack Foundation
How much does The JS Mack Foundation give each year?
The JS Mack Foundation gave $66K across 9 grants in 2025, according to its 2025 IRS Form 990-PF.
What is The JS Mack Foundation's typical grant size?
The JS Mack Foundation's median grant in 2025 was $10,000, and its average grant was $7,306, across 9 grants on its 2025 IRS Form 990-PF.
Where does The JS Mack Foundation give grants?
The JS Mack Foundation gives mostly in Pennsylvania: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Indiana, PA (9 grants).
Does The JS Mack Foundation give general operating support?
Not in 2025: none of the 9 grants with a stated purpose on The JS Mack Foundation's 2025 IRS Form 990-PF were described as general or operating support.
Who are The JS Mack Foundation's largest grantees?
The JS Mack Foundation's largest 2025 grantees include Salvation Army ($10,000), Indiana Healthcare Foundation ($10,000) and YMCA of Indiana County ($10,000), according to its 2025 IRS Form 990-PF. Together they received 46% of its itemized 2025 grant dollars.
How large is The JS Mack Foundation?
The JS Mack Foundation reported $4.6M in total assets on its 2025 IRS Form 990-PF. It paid out $75K in qualifying distributions that year, against a required minimum of $202K (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 is The JS Mack Foundation's EIN?
The JS Mack Foundation's EIN (Employer Identification Number) is 25-6002036. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS August 18, 2022)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 14, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS August 16, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS August 6, 2024)
- 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 February 26, 2026)
- IRS filings on file for fiscal years 2020–2025
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