William a Ketterer and Paul a Ketterer
William a Ketterer and Paul a Ketterer is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, 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.
Key facts about William a Ketterer and Paul a Ketterer
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.
- EIN
- 39-1968282
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $32,000
- Grants made (2025)
- 1
- Average grant
- $32,000
- Median grant
- $32,000
- Total assets
- $477,916
- Primary geography
- Wisconsin (100% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$478K
-3.4% YoY
Annual Giving
$32K
+37.1% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$32K
+37.1% YoY
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.
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.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 1 itemized 2025 grant dollars.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 1 recipients in 2025
Grant Size Distribution
7 grants across all recorded years
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| MARQUETTE UNIVERSITY Milwaukee, WI | FOR SCHOLARSHIPS | $32,000 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $477,916 | $494,788 | $517,390 |
| Revenue | $29,005 | $17,866 | $-51,832 |
| Expenses | $45,877 | $40,468 | $42,117 |
| Qualifying Distributions | $33,482 | $24,827 | $29,768 |
| Net Investment Income | $16,610 | $2,225 | $723 |
| Distributable Amount | $27,788 | $26,794 | $25,409 |
Data update history
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
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).
What is William a Ketterer and Paul a Ketterer?
William a Ketterer and Paul a Ketterer is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in Mukwonago, WI. It holds $478K in total assets as of 2025.
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.
Here's the math on researching William a Ketterer and Paul a Ketterer by hand.
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