Unknown foundations

607 grantmaking foundations focused on unknown, ranked by recent giving reported to the IRS (about $420M combined).

Top foundations by giving (page 4)

76. Mark E Carbone Education Foundation Inc

    New York, NY
    $820K (2025)
77. Gordon and Marjorie Osborne Foundation

    Boston, MA
    $820K (2024)
78. William Lowell Putnam Prize Fund for the Promotion of Schlrshp Inc

    Boston, MA
    $810K (2025)
79. Koppelman Family Foundation

    Philadelphia, PA
    $810K (2025)
80. Zane State College Foundation

    Zanesville, OH
    $800K (2025)
81. Mary Galloway Home

    Memphis, TN
    $770K (2024)
82. It Takes a Family Foundation Inc

    San Clemente, CA
    $760K (2024)
83. Wolfe Fam Charitable Foundation Tr

    Sylvania, OH
    $750K (2025)
84. George Fam Found U-Deed Tr Michael a George & Amy K George 02212014

    Park City, UT
    $740K (2025)
85. The Samuel S Johnson Foundation

    Salem, OR
    $730K (2025)
86. United Engineering Foundation Inc

    Philadelphia, PA
    $710K (2024)
87. Cornelius Family Foundation Inc

    Zionsville, IN
    $700K (2024)
88. Mariel Foundation

    Traverse City, MI
    $700K (2025)
89. Brutten Family Foundation

    Solana Beach, CA
    $690K (2024)
90. Paul Lauzier Charitable Foundation

    Ephrata, WA
    $670K (2024)
91. Zoo Learning Fund

    Kansas City, MO
    $660K (2024)
92. Mcgraw Foundation

    Dundee, IL
    $620K (2025)
93. Camarena Adelante Foundation

    Wichita, KS
    $620K (2024)
94. Charles a Sullivan Charitable Foundation

    Kansas City, MO
    $620K (2025)
95. Utica National Foundation Inc

    Utica, NY
    $610K (2024)
96. Kresa Family Foundation

    New York, NY
    $610K (2024)
97. Gagnon Foundation Inc

    Belleair Beach, FL
    $600K (2024)
98. Carole a and Norman Barham Family Foundation

    Albany, NY
    $600K (2025)
99. Edward Cotton Rawls Jr Foundation

    Newtown, CT
    $600K (2025)
100. John R and Zelda Z Grubb Charitable Foundation

     Urbandale, IA
     $570K (2024)

Showing the top 100 by giving. Search all 607 with a free account.