GrantAuthority

Grantmaking foundations in Iowa

1,937 grantmaking foundations in Iowa, ranked by recent giving reported to the IRS (about $2B combined).

Top foundations by giving

  1. State University of Iowa Foundation
    Iowa City, IA · Philanthropy, Voluntarism and Grantmaking Foundations
    $160M (2025)
  2. Iowa State University Foundation
    Ames, IA · Arts, Culture and Humanities
    $160M (2025)
  3. Community Fdn of Greater Des Moines
    Des Moines, IA · Human Services
    $85M (2024)
  4. The Trustees of Grinnell College
    Grinnell, IA · Philanthropy, Voluntarism and Grantmaking Foundations
    $80M (2025)
  5. Central Iowa Hospital Corporation
    Des Moines, IA · Crime and Legal-Related
    $47M (2024)
  6. Roy J Carver Charitable Tr
    Muscatine, IA
    $40M (2025)
  7. Allen Memorial Hospital Corporation
    Waterloo, IA · Crime and Legal-Related
    $38M (2024)
  8. Filkins Family Foundation
    Council Bluffs, IA · Philanthropy, Voluntarism and Grantmaking Foundations
    $35M (2025)
  9. Prairie Meadows Race Track & Casino Inc
    Altoona, IA · Youth Development
    $33M (2024)
  10. St Lukes Methodist Hospital
    Cedar Rapids, IA · Philanthropy, Voluntarism and Grantmaking Foundations
    $30M (2024)
  11. Loras College
    Dubuque, IA · Health Care
    $27M (2025)
  12. University of Iowa Strategic Initiatives Fund
    Iowa City, IA · Community Improvement and Capacity Building
    $26M (2025)
  13. Principal Financial Group Foundation Inc
    Des Moines, IA
    $25M (2024)
  14. Iowa Corn Promotion Board
    Johnston, IA · Environment
    $24M (2025)
  15. Mercy Medical Center Cedar Rapids Iowa Endowment Foundation Inc
    Cedar Rapids, IA · Philanthropy, Voluntarism and Grantmaking Foundations
    $22M (2025)
  16. Grhs Holdings Inc
    West Burlington, IA · Crime and Legal-Related
    $20M (2025)
  17. Southeast Iowa Regional Medical Center Inc
    West Burlington, IA · Crime and Legal-Related
    $19M (2025)
  18. United Way of Central Iowa
    Des Moines, IA · Crime and Legal-Related
    $18M (2025)
  19. University of Northern Iowa Foundation
    Cedar Falls, IA · Community Improvement and Capacity Building
    $18M (2025)
  20. The Geisler-Penquite Foundation
    Newton, IA
    $17M (2024)
  21. Iowa West Foundation
    Council Bluffs, IA
    $14M (2024)
  22. Iowa Health Foundation
    Des Moines, IA · Crime and Legal-Related
    $13M (2024)
  23. Brahmananda Saraswati Foundation
    Fairfield, IA · Philanthropy, Voluntarism and Grantmaking Foundations
    $12M (2025)
  24. Mercy Medical Center
    Cedar Rapids, IA · Philanthropy, Voluntarism and Grantmaking Foundations
    $12M (2025)
  25. Youth and Shelter Services Foundation Inc
    Ames, IA · Philanthropy, Voluntarism and Grantmaking Foundations
    $12M (2025)

Showing the top 100 by giving. Search all 1,937 with a free account.

Find the right funders faster. Filter every foundation by location, cause, giving size and openness, and see full grantee histories, with a free GrantAuthority account.

Create free account

Cities in Iowa

Causes in Iowa