William a Ketterer and Paul a Ketterer

Private foundation · Grantmaker Mukwonago, WI EIN: 39-1968282

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

Marquette University: $32KMarquette University$32K

The largest 2025 recipient was Marquette University ($32K).

Grant Size Distribution

7 grants across all recorded years

7<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 7 grants of 7 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of the 2025 grant dollars on its one itemized grant.

States

Cities

MilwaukeeSt Francis

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

$0$10K$20K$30K$40K1 grant2019 1 grant2020 1 grant2021 1 grant2022 3 grants2023 1 grant2024 1 grant2025

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

RecipientPurposeAmount
Marquette University Milwaukee, WIFor Scholarships$32,000
Your AI grants department

Ready to take the next step with William a Ketterer and Paul a Ketterer?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$477,916$29,005$45,877$32,0001$33,482$16,610$27,788
2024$494,788$17,866$40,468$23,3451$24,827$2,225$26,794
2023$517,390$-51,832$42,117$28,3303$29,768$723$25,409
2022$611,339$-17,936$42,974$23,0001$23,000—$27,685
2021$672,163$105,261$66,570$40,0001$40,000$78,691$33,149
2020$633,072$10,426$46,302$32,0001—$1,952$30,238
2019$663,979$26,487$50,681$32,4001—$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

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS July 14, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 14, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 17, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 9, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 13, 2024)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 13, 2025)
  7. Added Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
  8. IRS filings on file for fiscal years 2019–2024

Explore Open Grants

Browse active grant opportunities in William a Ketterer and Paul a Ketterer's focus areas in our free grants database

Similar Funders

Funders with grantees in common

George L N Meyer Family Foundation

Milwaukee, WI

Assets

$136K

Grants

7

Total Given

$20K

Al Hurvisadamm Education Foundation

Milwaukee, WI

Education

Assets

$1.2M

Grants

15

Total Given

$107K

Our Lady of the Lake Foundation Inc

Cedar Grove, WI

The foundation’s 2021 grants supported schools and other charitable organizations, primarily in Wisconsin, with 98% of grant dollars going to Wisconsin recipients. It made 15 grants totaling $840,854, ranging from $75 to $725,000 (median $2,000). It funded only preselected organizations and did not accept unsolicited requests; its 2021 filing was marked as its final return.

Assets

—

Grants

15

Total Given

$841K

Ladky Associates Foundation

Mequon, WI

Assets

$130K

Grants

23

Total Given

$9K

Gallagher Charitable Trust

Longboat Key, FL

The trust supports charitable organizations, universities, churches, and other institutions, often with general operating grants. In 2025, grants ranged from $200 to $25,000, with a median of $1,000; recipients were mainly in Indiana and Wisconsin, with others in Florida, Ohio, California, and Illinois. It funds only preselected organizations and does not accept unsolicited requests.

Assets

$732K

Grants

25

Total Given

$59K

The Sartori Family Foundation Inc

Milwaukee, WI

The Sartori Family Foundation supports Wisconsin charities, schools, and community organizations across varied activities, including operating support, capital projects, crisis services, food education, and dementia and hospice care. In 2025, it made grants of $1,000 to $93,334, with a median of $10,000. It accepts applications through an online portal on a rolling basis.

Assets

$8.3M

Grants

26

Total Given

$463K

More similar funders

More Funders in Wisconsin

The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

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.

William a Ketterer and Paul a Ketterer down — hundreds of funders to go?

Want AI to do this for you?