Private foundation · Detroit, MI

Martha P Mack Foundation

View org profile →Find similar funders →Invitation only
Typical grant size
$75K – $100K – $225K
25th · median · 75th percentile
Unique recipients
10
Repeat grantees
4
funded 2+ years

Application procedures · from 2024 990-PF

Leadership · from 2024 990-PF

Bank of America Na
PRIOR TRUSTEE
$101K
Comerica Bank
TRUSTEE
$6K
Bank of America N a
TRUSTEE
$111K

Source: IRS Form 990-PF, Part VII. Officers, directors, and trustees as reported by the foundation.

Payout rate · TY 2024
7.7%
grants paid ÷ assets · ~5% IRS minimum
'21
'22
'23
'24
19
Total grants awarded
$3.4M
Total amount
$178K
Average grant
$600K
Largest grant

Giving by year

2024
$1.8M
9 grants
2023
$1.1M
4 grants
2022
$456K
6 grants

Top recipients

2 grants · CA · ✓ Exact match
$1.1M
2 grants · CA · ✓ Exact match
$505K
Sanford Burnham Prebys
1 grant · CA
$500K
Sanford Burnham Prebys Medical Discovery
2 grants · CA
$300K
1 grant · CA · ✓ Exact match
$250K
2 grants · CA · ✓ Exact match
$200K
The Salvation Army Ventura Residences in
1 grant · CA
$100K
1 grant · CA · ✓ Exact match
$100K
1 grant · CA · ≈ likely match
$100K
1 grant · CA · ≈ likely match
$100K

Recipient names are as reported on the 990-PF. ✓ Exact match = EIN matched to IRS records by exact name + state; ≈ likely match = EIN inferred from a closely similar name. The recipient EIN is never stated on the form — it is DoubleNine’s match.

Recent grants · most recent filings first

Sanford Burnham Prebys
FOR SUPPORT OF DAILY
CA · TY 2024
$500K
Scripps Health Foundation
FOR SUPPORT OF DAILY
CA · TY 2024
$500K
Uc San Diego Foundation
FOR SUPPORT OF DAILY
CA · TY 2024
$405K
The Scripps Research Institute
FOR SUPPORT OF DAILY
CA · TY 2024
$100K
Salk Institute for Biological Studies
FOR SUPPORT OF DAILY
CA · TY 2024
$100K
Sharp Healthcare Foundation
FOR SUPPORT OF DAILY
CA · TY 2024
$100K
The Salvation Army
FOR SUPPORT OF DAILY
CA · TY 2024
$50K
Southern Methodist University
FOR SUPPORT OF DAILY
TX · TY 2024
$25K
LA Jolla Institute of Immunology
FOR SUPPORT OF DAILY
CA · TY 2024
$5K
Scripps Health
GENERAL OPERATING
CA · TY 2023
$600K
University of San Diego
GENERAL OPERATING
CA · TY 2023
$250K
Sanford Burnham Prebys Medical Discovery
GENERAL OPERATING
CA · TY 2023
$200K
U C San Diego Foundation
GENERAL OPERATING
CA · TY 2023
$100K
Sanford Burnham Prebys Medical Discovery
GENERAL OPERATING
CA · TY 2022
$100K
The Salvation Army Ventura Residences in
GENERAL OPERATING
CA · TY 2022
$100K
Regents of the University of California
GENERAL OPERATING
CA · TY 2022
$100K
Salk Institute for Biological Studies
GENERAL OPERATING
CA · TY 2022
$100K
Support the Enlisted Project Inc
GENERAL OPERATING
CA · TY 2022
$30K
Southern Methodist University
GENERAL OPERATING
TX · TY 2022
$26K

Source: IRS Form 990-PF, Part XV. Up to 50 most recent grants shown.