Search private foundations
Every profile is built from the foundation's IRS Form 990-PF filings. Filter by where they give, what they fund and typical grant size.
554 funders with a return from the last few years. Clear filters Browse all profiles by state
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Gave $4.4M in 2024
Onion Foundation
Auburn, ME · EIN 47-1289795 · latest return: tax year 2024Arts & CultureEducationEnvironmentChildren & Youth -
Invitation Only
The Eberstadt-Kuffner Fund Inc
New York, NY · EIN 13-6225395 · latest return: tax year 2025EducationEnvironmentArts & CultureHuman Services -
Gave $325K in 2025
Special People in Need
Chicago, IL · EIN 58-1483651 · latest return: tax year 2025Human ServicesEducationDisability ServicesHealth -
Invitation Only
Cele H & William B Rubin Family Fund Inc
Wellesley Hills, MA · EIN 11-6026235 · latest return: tax year 2024EducationHealthEnvironmentFood Assistance -
Invitation Only
Jack and Penny Rohrbach Family Foundation Inc
Park City, UT · EIN 39-1778405 · latest return: tax year 2024Human ServicesEnvironmentYouth SportsArts & Culture -
Invitation Only
Mcpike Zima Charitable Foundation US
New York, NY · EIN 81-2617818 · latest return: tax year 2024EnvironmentEducationAnimal WelfareChildren & Youth -
Invitation Only
The Heising-Simons Foundation
Los Altos, CA · EIN 26-0799587 · latest return: tax year 2024EducationEnvironmentChildren & YouthSTEM -
Gave $30M in 2024
Lumina Foundation for Education Inc
Indianapolis, IN · EIN 35-1813228 · latest return: tax year 2024EducationArts & CultureHuman ServicesCommunity Development -
Gave $146.9M in 2024
Open Society Institute
New York, NY · EIN 13-7029285 · latest return: tax year 2024EducationArts & CultureHuman ServicesEnvironment -
Gave $56.8M in 2024
Hobson Lucas Family Foundation
San Rafael, CA · EIN 20-3940983 · latest return: tax year 2024Arts & CultureEducationHuman ServicesHealth -
Invitation Only
The Warburg Pincus Foundation
New York, NY · EIN 13-4148834 · latest return: tax year 2024EducationHealthHuman ServicesArts & Culture -
Invitation Only
Charina Foundation Inc Richard Menschel
New York, NY · EIN 13-3050294 · latest return: tax year 2024Arts & CultureEducationHuman ServicesEnvironment -
Gave $7.4M in 2024
The Jm Kaplan Fund Inc
New York, NY · EIN 13-6090286 · latest return: tax year 2024Arts & CultureEnvironmentEducationCommunity Development -
Gave $2.4M in 2024
Sierra Health Foundation
Sacramento, CA · EIN 68-0050036 · latest return: tax year 2024Human ServicesEducationHealthArts & Culture -
Gave $684K in 2024
J Watumull Fund
Honolulu, HI · EIN 51-0205431 · latest return: tax year 2024EducationHuman ServicesArts & CultureChildren & Youth -
Invitation Only
Casey Family Programs
Seattle, WA · EIN 91-0793881 · latest return: tax year 2024Children & YouthEducationHuman ServicesArts & Culture -
Invitation Only
The Emily Hall Tremaine Foundation Inc
Tolland, CT · EIN 22-2533743 · latest return: tax year 2024EducationArts & CultureEnvironmentHealth -
Invitation Only
RSC Foundation Inc
Boston, MA · EIN 20-8106954 · latest return: tax year 2024Human ServicesEducationAnimal WelfareHealth -
Invitation Only
The Andover Companies Charitable Foundation
Wilmington, DE · EIN 87-2664214 · latest return: tax year 2025Human ServicesHealthEducationAnimal Welfare -
Gave $58.2M in 2024
The Frist Foundation
Nashville, TN · EIN 62-1134070 · latest return: tax year 2024EducationHuman ServicesArts & CultureHealth