Martha P Mack Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in DETROIT, MI. IRS filing data is available from 2021 through 2024. As of 2024, the organization holds $23.1M in total assets. In 2024, it awarded 9 grants totaling $1.8M. Net investment income was $6.1M.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$23.1M
+18.4% YoY
Annual Giving
$1.8M
+55.2% YoY
Grant Count
9
+125.0% YoY
Avg Grant Size
$198K
-31.0% YoY
Under IRS private-foundation payout rules, Martha P Mack Foundation reported a distributable amount of $1.0M for 2024 — the minimum it must pay out in qualifying distributions.
About Martha P Mack Foundation
Based on IRS filings
Martha P Mack Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in DETROIT, MI. IRS filing data is available from 2021 through 2024. As of 2024, the organization holds $23.1M in total assets. In 2024, it awarded 9 grants totaling $1.8M. Net investment income was $6.1M.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $23,114,274 | $19,525,151 | $8,620,209 |
| Revenue | $6,237,732 | $12,238,487 | $-292,601 |
| Expenses | $1,943,465 | $1,273,344 | $614,432 |
| Qualifying Distributions | $1,795,813 | $1,216,778 | $502,475 |
| Net Investment Income | $6,101,970 | $420,511 | $198,430 |
| Distributable Amount | $1,021,350 | $672,970 | $424,586 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 9 recipients in 2024
Grant Size Distribution
19 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Sanford Burnham Prebys ($500,000), Scripps Health Foundation ($500,000), Uc San Diego Foundation ($405,000).
| Recipient | Purpose | Amount |
|---|---|---|
| LA JOLLA INSTITUTE OF IMMUNOLOGY LA JOLLA, CA | FOR SUPPORT OF DAILY | $5,000 |
| THE SCRIPPS RESEARCH INSTITUTE LA JOLLA, CA | FOR SUPPORT OF DAILY | $100,000 |
| SANFORD BURNHAM PREBYS LA JOLLA, CA | FOR SUPPORT OF DAILY | $500,000 |
| SOUTHERN METHODIST UNIVERSITY DALLAS, TX | FOR SUPPORT OF DAILY | $25,000 |
| THE SALVATION ARMY RANCHO PALOS VERDES, CA | FOR SUPPORT OF DAILY | $50,000 |
| SCRIPPS HEALTH FOUNDATION LA JOLLA, CA | FOR SUPPORT OF DAILY | $500,000 |
| SALK INSTITUTE FOR BIOLOGICAL STUDIES LA JOLLA, CA | FOR SUPPORT OF DAILY | $100,000 |
| UC SAN DIEGO FOUNDATION LA JOLLA, CA | FOR SUPPORT OF DAILY | $405,000 |
| SHARP HEALTHCARE FOUNDATION SAN DIEGO, CA | FOR SUPPORT OF DAILY | $100,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
No officer/director data available.
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Martha P Mack Foundation?
Martha P Mack Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in DETROIT, MI. It holds $23.1M in total assets as of 2024.
How large is Martha P Mack Foundation?
As of 2024, Martha P Mack Foundation holds $23.1M in total assets with $6.2M in annual revenue. It awarded 9 grants totaling $1.8M in 2024.
Where does Martha P Mack Foundation operate?
Martha P Mack Foundation has awarded grants in California, Texas.
What size grants does Martha P Mack Foundation award?
In 2024, Martha P Mack Foundation awarded 9 grants totaling $1.8M — an average of about $198K per grant, based on its IRS Form 990 filings.
How much is Martha P Mack Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Martha P Mack Foundation reported a distributable amount of $1.0M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Martha P Mack Foundation's EIN?
Martha P Mack Foundation's EIN (Employer Identification Number) is 30-6702159. IRS Form 990 filing data is available on this page for 2021–2024.
Explore Open Grants
Browse active grant opportunities in Martha P Mack Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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