William a Ketterer and Paul a Ketterer
William a Ketterer and Paul a Ketterer is a private foundation, based in Mukwonago, WI. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $478K in total assets. In 2025, it awarded 1 grant totaling $32K. Net investment income was $17K.
William a Ketterer and Paul a Ketterer at a glance
In short: William a Ketterer and Paul a Ketterer gave $32K across 1 grant in 2025 (avg $32K), mostly in Wisconsin. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $32,000
- +37.1% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $32,000
- +37.1% vs 2024
- Median grant
- $32,000
- Total assets
- $477,916
- -3.4% vs 2024
- Primary geography
- Wisconsin (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 William a Ketterer and Paul a Ketterer funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Marquette University ($32K).
Grant Size Distribution
7 grants across all recorded years
The most common grant size was under $50K: 7 grants of 7 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How William a Ketterer and Paul a Ketterer gives
- Giving grew 39% from 2022 to 2025. Method
- In 2025 it paid out 120% 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 2019 to 2025, annual grant giving ranged from $23K (2022) to $40K (2021). In 2025 it made 1 grant totaling $32K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Marquette University Milwaukee, WI | For Scholarships | $32,000 |
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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 | $477,916 | $29,005 | $45,877 | $32,000 | 1 | $33,482 | $16,610 | $27,788 |
| 2024 | $494,788 | $17,866 | $40,468 | $23,345 | 1 | $24,827 | $2,225 | $26,794 |
| 2023 | $517,390 | $-51,832 | $42,117 | $28,330 | 3 | $29,768 | $723 | $25,409 |
| 2022 | $611,339 | $-17,936 | $42,974 | $23,000 | 1 | $23,000 | — | $27,685 |
| 2021 | $672,163 | $105,261 | $66,570 | $40,000 | 1 | $40,000 | $78,691 | $33,149 |
| 2020 | $633,072 | $10,426 | $46,302 | $32,000 | 1 | — | $1,952 | $30,238 |
| 2019 | $663,979 | $26,487 | $50,681 | $32,400 | 1 | — | $8,206 | $31,673 |
Under IRS private-foundation payout rules, William a Ketterer and Paul a Ketterer reported a distributable amount of $28K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
William a Ketterer and Paul a Ketterer is led by Marian E. Ketterer, Director & President on every filing since 2019; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Marian E. Ketterer
Director & President
On filings since 2019
2 hrs/week
No compensation reported
David W. Reinecke
Director
On filings since 2019
0.3 hrs/week
No compensation reported
James A. Holmes
Director
On filings since 2019
0.3 hrs/week
No compensation reported
Matthew Machi
Director & Secretary
On filings since 2019
0.5 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "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 William a Ketterer and Paul a Ketterer
How much does William a Ketterer and Paul a Ketterer give each year?
William a Ketterer and Paul a Ketterer gave $32K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $23K across 1 grant.
How large is William a Ketterer and Paul a Ketterer?
William a Ketterer and Paul a Ketterer reported $478K in total assets on its 2025 IRS Form 990-PF. It paid out $33K in qualifying distributions that year, against a required minimum of $28K (roughly 5% of its investment assets).
Where does William a Ketterer and Paul a Ketterer operate?
William a Ketterer and Paul a Ketterer has awarded grants in Wisconsin.
What is William a Ketterer and Paul a Ketterer's EIN?
William a Ketterer and Paul a Ketterer's EIN (Employer Identification Number) is 39-1968282. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS July 14, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 14, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 17, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 9, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 13, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 13, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
- IRS filings on file for fiscal years 2019–2024
Live grants for the work William a Ketterer and Paul a Ketterer funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
- Nixa Affiliate Grantmaking Program Up to US $10,000 · Due October 19, 2026
- Community and School Grants $28,000 total pool; 10-15 grants expected · Due October 19, 2026
- Mary Pinola/Crescenta Valley Chamber Education Fund $500 - $5,000 for ongoing programs; up to $15,000 for Strategic Initiative Grants · Due October 19, 2026
Explore Open Grants
Browse active grant opportunities in William a Ketterer and Paul a Ketterer's focus areas in our free grants database
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Figures come from William a Ketterer and Paul a Ketterer'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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