Sonnenberg Family Foundation Inc

Private foundation · Grantmaker Milwaukee, WI EIN: 99-4169330

Sonnenberg Family Foundation Inc is a private foundation focused on Human Services, based in Milwaukee, WI. IRS filing data is available from 2024 through 2025. As of 2025, the organization holds $214K in total assets. In 2025, it awarded 2 grants totaling $15K.

Sonnenberg Family Foundation Inc at a glance

In short: Sonnenberg Family Foundation Inc gave $15K across 2 grants in 2025 (avg $8K), mostly in Wisconsin. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$15,000
+50.0% vs 2024
Grants made (2025)
2
+100.0% vs 2024
Average grant
$7,500
-25.0% vs 2024
Median grant
$7,500
Total assets
$214,146
+6.3% 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 Sonnenberg Family Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

Planned Parenthood of Wisconsin: $8KPlanned Parenthood ofWisconsin$8KCatholic Charties of Milwaukee: $8KCatholic Charties of Milwaukee$8K

The largest 2025 recipient was Planned Parenthood of Wisconsin ($8K). Together the top 2 received $15K.

Grant Size Distribution

3 grants across all recorded years

3<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 3 grants of 3 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of 2025 grant dollars across all 2 itemized grants.

States

Cities

GlendaleMilwaukeeSt Francis

How Sonnenberg Family Foundation Inc gives

  • In 2025 it paid out 284% 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$5K$10K$15K1 grant2024 2 grants2025

From 2024 to 2025, annual grant giving ranged from $10K (2024) to $15K (2025). In 2025 it made 2 grants totaling $15K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Planned Parenthood of Wisconsin Milwaukee, WITo help individuals access the health care that they need.$7,500
Catholic Charties of Milwaukee St Francis, WITo support legal services for refugees and immigrants.$7,500
Your AI grants department

Ready to take the next step with Sonnenberg Family Foundation Inc?

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$214,146$3,660$15,300$15,0002$30,000—$10,547
2024$201,414$211,012$10,000$10,0001$10,000$1,012$4,549

Under IRS private-foundation payout rules, Sonnenberg Family Foundation Inc reported a distributable amount of $11K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Sonnenberg Family Foundation Inc is led by Kelly Sonnenberg, President on the 2025 filing; none of the 5 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Kelly Sonnenberg

    President

    New on the 2025 filing

    1 hr/week

    No compensation reported

  • Carol Fischer Sonnenberg

    Director

    New on the 2025 filing

    1 hr/week

    No compensation reported

  • Megan Sonnenberg

    Director

    New on the 2025 filing

    1 hr/week

    No compensation reported

  • James Sonnenberg

    Treasurer

    President → Treasurer, 2025

    On filings since 2024

    1 hr/week

    No compensation reported

  • Taylor Sonnenberg

    Secretary

    New on the 2025 filing

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2024–2025. "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 Sonnenberg Family Foundation Inc

How much does Sonnenberg Family Foundation Inc give each year?

Sonnenberg Family Foundation Inc gave $15K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $10K across 1 grant.

How large is Sonnenberg Family Foundation Inc?

Sonnenberg Family Foundation Inc reported $214K in total assets on its 2025 IRS Form 990-PF. It paid out $30K in qualifying distributions that year, against a required minimum of $11K (roughly 5% of its investment assets).

What is Sonnenberg Family Foundation Inc?

Sonnenberg Family Foundation Inc is a private foundation focused on Human Services, based in Milwaukee, WI. It holds $214K in total assets as of 2025.

Where does Sonnenberg Family Foundation Inc operate?

Sonnenberg Family Foundation Inc has awarded grants in Wisconsin.

What is Sonnenberg Family Foundation Inc's EIN?

Sonnenberg Family Foundation Inc's EIN (Employer Identification Number) is 99-4169330. IRS Form 990 filing data is available on this page for 2024–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(3)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 6, 2025)
  2. Updated Form 990-PF for fiscal year 2025 (received by the IRS February 21, 2026)
  3. IRS filings on file for fiscal years 2024–2025

Explore Open Grants

Browse active grant opportunities in Sonnenberg Family Foundation Inc's focus areas in our free grants database

Similar Funders

Funders with grantees in common, and similar funders in Wisconsin

Regal Beloit Charitable Foundation

Milwaukee, WI

The foundation supports charitable organizations working in health, education, food assistance, domestic violence services, and community well-being, with grants reported across several states, especially Wisconsin, Illinois, and Ohio. In 2024, grants ranged from $300 to $100,000, with a median of $3,000. It does not accept unsolicited requests and gives only to preselected organizations.

Philanthropy, Voluntarism & Grantmaking

Assets

$1.2M

Grants

121

Total Given

$907K

Charles E Benidt Foundation Inc

Elm Grove, WI

The foundation funds education and scholarships, youth and family services, domestic violence programs, and missionary support, with most 2024 grant dollars going to Wisconsin and some to Arizona and Missouri. Its 27 grants ranged from $2,500 to $500,000, with a median of $50,000. It does not accept unsolicited requests and gives only to preselected organizations.

Philanthropy, Voluntarism & Grantmaking

Assets

$69.2M

Grants

27

Total Given

$2.6M

Oshkosh Area Community Foundation Corporation

Oshkosh, WI

The Oshkosh Area Community Foundation funds charitable and educational work, including community programs, education, health and human services, recreation, and economic development, in Winnebago and Waushara counties, Green Lake County, and the City of Ripon, Wisconsin. Its 2025 grants ranged from $5,250 to $1 million, with a median of $18,550. It offers competitive grant programs and encourages applicants to discuss ideas with the foundation; the Otto Bremer Trust Community Responsive Fund is invitation-only.

Philanthropy, Voluntarism & Grantmaking

Assets

$200.8M

Grants

126

Total Given

$8.2M

Harri Hoffmann Family Foundation Inc

Milwaukee, WI

The Harri Hoffmann Family Foundation supports social services, Jewish activities, education, and other community programs, primarily in Milwaukee and Wisconsin, with grants also going to organizations elsewhere. Its 2025 grants ranged from $1,500 to $230,000, with a median of $10,000; it accepts applications through an online form or by mail, with no restriction on unsolicited requests stated.

Assets

$26.2M

Grants

148

Total Given

$2.2M

Foundation for Opioid Response Efforts

New York, NY

FORE funds U.S. projects addressing opioid use disorder and overdose, including prevention, treatment, harm reduction, recovery, and community capacity-building. Its 2025 grants ranged from about $12,000 to $396,000, with a typical award of about $60,000; the profile does not state whether it accepts unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$93.4M

Grants

104

Total Given

$9.4M

Streich Family Foundation Inc

Glendale, WI

Assets

$781K

Grants

46

Total Given

$123K

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 Sonnenberg Family Foundation Inc'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.

Sonnenberg Family Foundation Inc down — hundreds of funders to go?

Want AI to do this for you?