GrantAuthority

Grantmaking foundations in Wisconsin

4,027 grantmaking foundations in Wisconsin, ranked by recent giving reported to the IRS (about $5.2B combined).

Top foundations by giving

  1. University of Wisconsin Foundation
    Madison, WI · Science and Technology
    $550M (2025)
  2. Marquette University
    Milwaukee, WI · Arts, Culture and Humanities
    $250M (2025)
  3. The Robert D and Patricia E Kern Family Foundation Inc
    Waukesha, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $230M (2024)
  4. Wisconsin Alumni Research Foundation
    Madison, WI · Community Improvement and Capacity Building
    $160M (2025)
  5. Ascendium Education Solutions Inc
    Madison, WI · Community Improvement and Capacity Building
    $150M (2025)
  6. Historic Haymarket Milwaukee I Inc
    Milwaukee, WI · Medical Research
    $130M (2025)
  7. Thrivent Charitable Impact & Investing
    Appleton, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $110M (2025)
  8. Alfred and Isabel Bader 2014 Charitable Trust
    Milwaukee, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $92M (2025)
  9. Feeding America Eastern Wisconsin Inc
    Milwaukee, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $80M (2025)
  10. Childrens Hospital of Wisconsin Inc
    Milwaukee, WI · Human Services
    $76M (2024)
  11. Workmoney Foundation Inc
    Milwaukee, WI · Public and Societal Benefit
    $70M (2024)
  12. Bader Philanthropies Inc
    Milwaukee, WI
    $69M (2025)
  13. Greater Milwaukee Foundation Inc
    Milwaukee, WI · Crime and Legal-Related
    $68M (2024)
  14. The Medical College of Wisconsin Inc
    Milwaukee, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $66M (2025)
  15. U S Bancorp Foundation
    Milwaukee, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $66M (2024)
  16. University of Wisconsin Medical Foundation Inc
    Middleton, WI · Science and Technology
    $58M (2025)
  17. Carthage College
    Kenosha, WI · Environment
    $57M (2025)
  18. Lynde and Harry Bradley Foundation Inc
    Milwaukee, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $55M (2024)
  19. Agustin a Ramirez Jr Family Foundation
    Milwaukee, WI · Education
    $53M (2025)
  20. Gundersen Lutheran Medical Center Inc
    La Crosse, WI · Community Improvement and Capacity Building
    $49M (2025)
  21. Bradley Impact Fund Inc
    Milwaukee, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $48M (2024)
  22. Give Back Foundation
    Madison, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $44M (2025)
  23. United Way of Greater Milwaukee & Waukesha County Inc
    Milwaukee, WI · Science and Technology
    $44M (2025)
  24. Second Harvest Foodbank of Southern Wisconsin
    Madison, WI · Mental Health and Crisis Intervention
    $44M (2025)
  25. Joseph and Vera Zilber Family
    Milwaukee, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $38M (2025)

Showing the top 100 by giving. Search all 4,027 with a free account.

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Cities in Wisconsin

Causes in Wisconsin