The Wisconsin State Capitol

Grant recipient EIN 39-1423225

Who funds Aldo Leopold Foundation Inc?

27 private foundations gave Aldo Leopold Foundation Inc in Baraboo, WI $1.1 million across 85 grants, in tax years 2018 to 2025.

Grants listed on funders’ 990-PF returns for tax years 2018 to 2025, read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Grants received by year

Grants from private foundations by the funder’s tax year. The latest year is in blue; it is not complete until all its returns reach the IRS.

Every foundation grant, by year

85 grants

Each line as the funder listed it on its return, newest year first, then largest.

  1. Single Step FoundationBoulder, CO 2025

    General - no restrictionsgeneral - no restrictions

    $50,000
  2. Salzwedel Family Fund LTDMadison, WI 2025

    General Operations

    $35,000
  3. The Blanke FoundationDallas, TX 2025

    Unrestricted general

    $10,000
  4. The Silseth FoundationWilmington, DE 2025

    General & Unrestricted

    $7,500
  5. Shasta Wildlife Conservation FoundationKensington, CA 2025

    An unrestricted contribution

    $4,500
  6. John J Frautschi Family Foundation IncMadison, WI 2025

    General

    $1,000
  7. Salzwedel Family Fund LTDMadison, WI 2024

    General Operations

    $66,000
  8. Single Step FoundationBoulder, CO 2024

    General - no restrictionsgeneral - no restrictions

    $50,000
  9. Cedar Tree FoundationBoston, MA 2024

    Project support of the future leaders fellowship

    $20,000
  10. Derse Foundation IncWaukesha, WI 2024

    Environmental support

    $7,574
  11. The Blanke FoundationDallas, TX 2024

    Unrestricted general

    $7,500
  12. The Silseth FoundationWilmington, DE 2024

    General & Unrestricted

    $7,500
  13. John C Bock FoundationPickett, WI 2024

    Environmental education

    $5,000
  14. Charlotte Palmer Phillips FoundationIncNewton, MA 2024

    General Purpose

    $1,000
  15. John J Frautschi Family Foundation IncMadison, WI 2024

    General

    $1,000
  16. Lumw FoundationPleasant Prairie, WI 2024

    General

    $500
  17. White House Farm FoundationBristow, VA 2024

    To further charitable purpose

    $250
  18. Jahns Family FoundationChicago, IL 2024

    Conservation

    $100
  19. Derse Foundation IncWaukesha, WI 2023

    Environmental support

    $100,000
  20. Salzwedel Family Fund LTDMadison, WI 2023

    General Operations

    $54,000
  21. Single Step FoundationBoulder, CO 2023

    General - no restrictionsgeneral - no restrictions

    $50,000
  22. Cedar Tree FoundationBoston, MA 2023

    Project support of the future leaders fellowship

    $20,000
  23. John C Bock FoundationPickett, WI 2023

    Environmental education

    $10,000
  24. The Brookby FoundationMilwaukee, WI 2023

    Electrifying a Land Ethic

    $10,000
  25. Shasta Wildlife Conservation FoundationKensington, CA 2023

    To support 2024 milestone efforts

    $7,500
  26. The Silseth FoundationWilmington, DE 2023

    General & Unrestricted

    $7,500
  27. John J Frautschi Family Foundation IncMadison, WI 2023

    General

    $1,000
  28. Bradshaw-Knight Foundation IncMadison, WI 2023

    General support

    $1,000
  29. Doug and Diane Oberhelman Family FoundationEdwards, IL 2023

    Fostering a land ethic through the legacy of aldo leopold

    $1,000
  30. Charlotte Palmer Phillips FoundationIncNewton, MA 2023

    General Purpose

    $500
  31. Lumw FoundationPleasant Prairie, WI 2023

    General

    $500
  32. Amazonsmile FoundationSeattle, WA 2023

    General support

    $147
  33. Single Step FoundationBoulder, CO 2022

    General - no restrictionsgeneral - no restrictions

    $40,000
  34. Salzwedel Family Fund LTDMadison, WI 2022

    General Operations

    $27,500
  35. Cedar Tree FoundationBoston, MA 2022

    Project support of the future leaders fellowship

    $20,000
  36. John C Bock FoundationPickett, WI 2022

    Environmental education

    $10,000
  37. The Blanke FoundationDallas, TX 2022

    Unrestricted general

    $10,000
  38. The Brookby FoundationMilwaukee, WI 2022

    Electrifying a Land Ethic: Achieving Net Zero energy at the Aldo Leopold Foundation

    $10,000
  39. Patrick and Anna M Cudahy FundOak Park, IL 2022

    General Unrestricted

    $5,000
  40. The Cara Foundation (fka the Milwaukee Insurance Foundation)Brookfield, WI 2022

    Unrestricted grant

    $2,000
  41. McDanel Land FoundationHansville, WA 2022

    Support youth environmental education programs

    $2,000
  42. Derse Foundation IncWaukesha, WI 2022

    Environmental support

    $1,042
  43. Charlotte Palmer Phillips FoundationIncNewton, MA 2022

    General Purpose

    $1,000
  44. Lumw FoundationPleasant Prairie, WI 2022

    General

    $500
  45. Tosa FoundationPortola Valley, CA 2022

    Conservation

    $500
  46. Amazonsmile FoundationSeattle, WA 2022

    General support

    $207
  47. Single Step FoundationBoulder, CO 2021

    General - no restrictionsgeneral - no restrictions

    $75,000
  48. Cedar Tree FoundationBoston, MA 2021

    Project support of the future leaders fellowship

    $20,000
  49. The Blanke FoundationDallas, TX 2021

    Unrestricted general

    $10,000
  50. Patrick and Anna M Cudahy FundOak Park, IL 2021

    General unrestricted

    $7,500
  51. John C Bock FoundationPickett, WI 2021

    Environmental education

    $5,000
  52. Friendship Fund IncBoston, MA 2021

    Program support

    $2,800
  53. Shasta Wildlife Conservation FoundationKensington, CA 2021

    For capital campaign

    $2,000
  54. Charlotte Palmer Phillips FoundationIncNewton, MA 2021

    General Purpose

    $1,000
  55. Salzwedel Family Fund LTDMadison, WI 2021

    General Operations

    $500
  56. Amazonsmile FoundationSeattle, WA 2021

    General support

    $221
  57. Derse Foundation IncWaukesha, WI 2021

    Environmental support

    $113
  58. Single Step FoundationBoulder, CO 2020

    General - no restrictionsgeneral - no restrictions

    $100,000
  59. Salzwedel Family Fund LTDMadison, WI 2020

    General Operations

    $30,000
  60. Cedar Tree FoundationBoston, MA 2020

    Project support of the future leaders fellowship

    $25,000
  61. RDK FoundationEagan, MN 2020

    General operating

    $25,000
  62. Patrick and Anna M Cudahy FundOak Park, IL 2020

    General unrestricted

    $7,500
  63. John C Bock FoundationPickett, WI 2020

    Environmental education

    $5,000
  64. The Blanke FoundationDallas, TX 2020

    Unrestricted general

    $5,000
  65. Shasta Wildlife Conservation FoundationKensington, CA 2020

    For capital campaign

    $2,000
  66. Charlotte Palmer Phillips FoundationIncNewton, MA 2020

    General Purpose

    $1,000
  67. Lumw FoundationPleasant Prairie, WI 2020

    General

    $350
  68. Amazonsmile FoundationSeattle, WA 2020

    General support

    $217
  69. John C Bock FoundationPickett, WI 2019

    Environmental education

    $10,000
  70. RDK FoundationEagan, MN 2019

    General operating

    $10,000
  71. The Pyle FoundationMadison, WI 2019

    General operations.

    $10,000
  72. Salzwedel Family Fund LTDMadison, WI 2019

    General Operations

    $10,000
  73. Patrick and Anna M Cudahy FundOak Park, IL 2019

    General-unrestricted

    $7,500
  74. Friendship Fund IncBoston, MA 2019

    Program support

    $2,500
  75. Shasta Wildlife Conservation FoundationKensington, CA 2019

    For capital campaign

    $2,000
  76. Charlotte Palmer Phillips FoundationIncNewton, MA 2019

    General Purpose

    $1,000
  77. The Queenan FDN AcctWashington, DC 2019

    General operating purposes

    $500
  78. Irving & Marilyn Naiditch Family FoundationHighland Park, IL 2019

    To aid organization

    $500
  79. John D and Catherine T MacArthur FoundationChicago, IL 2019

    In support of general operations.

    $150
  80. John C Bock FoundationPickett, WI 2018

    Environmental education

    $10,000
  81. The Brookby FoundationMilwaukee, WI 2018

    Future Leaders Campaign

    $10,000
  82. Patrick and Anna M Cudahy FundOak Park, IL 2018

    General-unrestricted

    $7,500
  83. Friendship Fund IncBoston, MA 2018

    Program support

    $2,500
  84. Shasta Wildlife Conservation FoundationKensington, CA 2018

    For capital campaign

    $2,000
  85. Charlotte Palmer Phillips FoundationIncNewton, MA 2018

    General Purpose

    $1,000

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 39-1423225 by name and ZIP code against the IRS list of exempt organizations and our list of filers. Grants we could not tie to one organization are not counted here.