Largest private foundations in Wisconsin
| # | Foundation | City | Focus area | Total assets |
|---|---|---|---|---|
| 1 | Lynde And Harry Bradley Foundation Inc | Milwaukee | Philanthropy, Voluntarism & Grantmaking Foundations | $993.4 million |
| 2 | The Robert D And Patricia E Kern Family Foundation Inc | Waukesha | Philanthropy, Voluntarism & Grantmaking Foundations | $837.0 million |
| 3 | Kohler Foundation Inc | Kohler | Not listed | $486.3 million |
| 4 | Joseph And Vera Zilber Family | Milwaukee | Philanthropy, Voluntarism & Grantmaking Foundations | $422.3 million |
| 5 | Rdk Foundation | Milwaukee | Philanthropy, Voluntarism & Grantmaking Foundations | $384.1 million |
| 6 | Fund For Wisconsin Scholars Inc | Madison | Philanthropy, Voluntarism & Grantmaking Foundations | $342.3 million |
| 7 | Alfred And Isabel Bader 2014 Charitable Trust | Milwaukee | Philanthropy, Voluntarism & Grantmaking Foundations | $182.5 million |
| 8 | Two Eagles Foundation Inc | Tomahawk | Philanthropy, Voluntarism & Grantmaking Foundations | $172.7 million |
| 9 | Ruth St John & John Dunham West Foundation Inc | Manitowoc | Not listed | $145.4 million |
| 10 | Baird Foundation Inc | Milwaukee | Not listed | $142.7 million |
| 11 | Legacy Foundation Of Central Wisconsin Inc | Wisc Rapids | Health Care | $142.4 million |
| 12 | Dohmen Company Foundation Inc | Milwaukee | Philanthropy, Voluntarism & Grantmaking Foundations | $141.6 million |
| 13 | U S Bancorp Foundation | Milwaukee | Philanthropy, Voluntarism & Grantmaking Foundations | $138.2 million |
| 14 | Siebert Lutheran Foundation Inc | Milwaukee | Not listed | $128.6 million |
| 15 | Dwight And Linda Davis Foundation | Wausau | Philanthropy, Voluntarism & Grantmaking Foundations | $116.7 million |
| 16 | Engelke Family Foundation Inc | Madison | Philanthropy, Voluntarism & Grantmaking Foundations | $107.3 million |
| 17 | Everythings Possible Foundation Inc | Madison | Youth Development | $106.6 million |
| 18 | Alliss Educational Foundation Equity | Milwaukee | Not listed | $98.7 million |
| 19 | Northwestern Mutual Life Foundation Inc | Milwaukee | Education | $88.3 million |
| 20 | We Energies Foundation Inc | Milwaukee | Not listed | $87.6 million |
| 21 | Reiman Foundation Inc | Pewaukee | Not listed | $87.4 million |
| 22 | Pleasant T Rowland Foundation | Brookfield | Education | $82.1 million |
| 23 | Richard And Ethel Herzfeld Foundation Inc | Milwaukee | Not listed | $81.5 million |
| 24 | B A And Esther Greenheck Foundation | Wausau | Philanthropy, Voluntarism & Grantmaking Foundations | $76.1 million |
| 25 | Argosy Foundation | Milwaukee | Not listed | $74.0 million |
The full list includes all 2,220 Wisconsin foundations with street address, ZIP, EIN, focus area, income and tax period, plus every other state.
Wisconsin cities with the most private foundations
- Milwaukee: 606
- Madison: 158
- Green Bay: 74
- La Crosse: 54
- Appleton: 45
- Brookfield: 42
- Mequon: 41
- Wausau: 36
- Waukesha: 35
- Lake Geneva: 24
Most common focus areas in Wisconsin
- Philanthropy, Voluntarism & Grantmaking Foundations: 993
- Education: 210
- Human Services: 69
- Recreation & Sports: 62
- Arts, Culture & Humanities: 44
- Religion-Related: 38
- Community Improvement & Capacity Building: 30
- Animal-Related: 23
Where does this data come from?
The IRS Exempt Organizations Business Master File, downloaded in October 2026 and filtered to private foundations. Assets are as reported on each foundation's latest return on file. Foundations with no focus area code are shown as Not listed.