Mac Valves Foundation
Mac Valves Foundation is a private foundation, based in Wixom, MI. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $38K in total assets. In 2025, it awarded 6 grants totaling $157K. Net investment income was $162K.
Mac Valves Foundation at a glance
In short: Mac Valves Foundation gave $157K across 6 grants in 2025 (avg $26K), mostly in Michigan. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $157,000
- +168.4% vs 2024
- Grants made (2025)
- 6
- +50.0% vs 2024
- Average grant
- $26,167
- +78.9% vs 2024
- Median grant
- $20,000
- Total assets
- $37,818
- +6.2% vs 2024
- Primary geography
- Michigan (84% 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 Mac Valves Foundation funds
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2025
The largest 2025 recipient was Henry Ford Health System ($50K). Together the top 6 received $157K.
Grant Size Distribution
15 grants across all recorded years
The most common grant size was under $50K: 10 grants of 15 (67%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 6 itemized grants.
States
Cities
How Mac Valves Foundation gives
- Giving grew 913% from 2022 to 2025. Method
- In 2025 it paid out 276% of its IRS minimum distribution (the 5% rule). 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
From 2020 to 2025, annual grant giving ranged from $16K (2022) to $157K (2025). In 2025 it made 6 grants totaling $157K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Henry Ford Health System Detroit, MI | Unrestricted | $50,000 |
| Wayne State University School of Medicine Detroit, MI | Unrestricted | $50,000 |
| Cleveland Clinic Cleveland, OH | Unrestricted | $25,000 |
| Seaholm High School Birmingham, MI | Robotics Program | $15,000 |
| Kirk Gibson Foundation Farmington Hills, MI | Unrestricted | $12,000 |
| Furniture Bank of Se Michigan Pontiac, MI | Unrestricted | $5,000 |
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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 | $37,818 | $164,127 | $161,906 | $157,000 | 6 | $159,453 | $161,674 | $57,686 |
| 2024 | $35,597 | $13,920 | $58,520 | $58,500 | 4 | $58,520 | $13,920 | $59,340 |
| 2023 | $80,197 | $13,860 | $53,970 | $50,000 | 1 | $51,995 | $11,885 | $55,442 |
| 2022 | $120,307 | $10,958 | $19,320 | $15,500 | 2 | $17,420 | $9,058 | $51,277 |
| 2021 | $128,669 | $8,425 | $65,886 | $55,000 | 2 | — | $5,575 | $47,047 |
| 2020 | $186,130 | $209,432 | $90,491 | $85,000 | 10 | — | $208,282 | $41,563 |
Under IRS private-foundation payout rules, Mac Valves Foundation reported a distributable amount of $58K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Mac Valves Foundation is led by Robert Neff, Director & President on every filing since 2020; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Robert Neff
Director & President
On filings since 2020
No compensation reported
Jennifer Diamond
Director
On filings since 2020
No compensation reported
Martha Welch
Director, Secretary & Treasurer
On filings since 2020
No compensation reported
Matthew Neff
Director
On filings since 2020
No compensation reported
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 Mac Valves Foundation
How much does Mac Valves Foundation give each year?
Mac Valves Foundation gave $157K across 6 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $59K across 4 grants.
What is Mac Valves Foundation's typical grant size?
Mac Valves Foundation's median grant in 2025 was $20,000, and its average grant was $26,167, across 6 grants on its 2025 IRS Form 990-PF.
Where does Mac Valves Foundation give grants?
Mac Valves Foundation gives mostly in Michigan: 84% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Ohio (16%). The most frequent recipient cities were Detroit, MI (2 grants).
Does Mac Valves Foundation give general operating support?
Yes: 83% of Mac Valves Foundation's 2025 grants with a stated purpose (5 of 6) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Mac Valves Foundation's largest grantees?
Mac Valves Foundation's largest 2025 grantees include Henry Ford Health System ($50,000), Wayne State University School of Medicine ($50,000) and Cleveland Clinic ($25,000), according to its 2025 IRS Form 990-PF. Together they received 80% of its itemized 2025 grant dollars.
How large is Mac Valves Foundation?
Mac Valves Foundation reported $38K in total assets on its 2025 IRS Form 990-PF. It paid out $159K in qualifying distributions that year, against a required minimum of $58K (roughly 5% of its investment assets).
What is Mac Valves Foundation's EIN?
Mac Valves Foundation's EIN (Employer Identification Number) is 38-2440953. 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
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2025
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