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.
719 funders with a return from the last few years. Clear filters Browse all profiles by state
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Gave $4.5M in 2025
Allegis Group Foundation Inc
Hanover, MD · EIN 31-1608900 · latest return: tax year 2025HealthEducationHuman ServicesAnimal Welfare -
Invitation Only
The Prentice Foundation Inc
Wilmington, DE · EIN 06-1386173 · latest return: tax year 2024EnvironmentAnimal WelfareEducationHealth -
Invitation Only
The Kendeda Fund
Wilmington, DE · EIN 20-6881642 · latest return: tax year 2023EnvironmentArts & CultureEducationCommunity Development -
Invitation Only
National Recreation Foundation Incorporated
Lake Forest, IL · EIN 13-6172514 · latest return: tax year 2025Children & YouthEnvironmentEducationYouth Sports -
Invitation Only
ISEC Charitable Foundation aka ISEC Foundation
Wilmington, DE · EIN 20-5632234 · latest return: tax year 2025HealthHuman ServicesAnimal WelfareMental Health -
Invitation Only
The Peterffy Foundation Inc
Fort Lauderdale, FL · EIN 47-2351448 · latest return: tax year 2025EnvironmentEducationHuman ServicesAnimal Welfare -
Invitation Only
Barr Foundation
Boston, MA · EIN 04-6579815 · latest return: tax year 2024EducationEnvironmentArts & CultureCommunity Development -
Gave $146.9M in 2024
Open Society Institute
New York, NY · EIN 13-7029285 · latest return: tax year 2024EducationArts & CultureHuman ServicesEnvironment -
Gave $786K in 2025
Usg Foundation Inc
Chicago, IL · EIN 36-2984045 · latest return: tax year 2025Community DevelopmentHuman ServicesHealthEducation -
Invitation Only
Stellar Solutions Foundation
Los Altos, CA · EIN 77-0485705 · latest return: tax year 2024EducationAnimal WelfareHealthHuman Services -
Gave $14.5M in 2024
Dentaquest Partnership for Oral Health Advancement Inc
Boston, MA · EIN 04-3265080 · latest return: tax year 2024HealthEducationChildren & YouthDisability Services -
Invitation Only
Mulago Foundation
New York, NY · EIN 94-6182697 · latest return: tax year 2024EducationHealthEnvironmentChildren & Youth -
Gave $5.7M in 2025
Chs Foundation
Inver Grove Heights, MN · EIN 41-6025858 · latest return: tax year 2025EducationChildren & YouthHealthArts & Culture -
Invitation Only
Visa Foundation
San Francisco, CA · EIN 81-4503596 · latest return: tax year 2024EducationChildren & YouthHuman ServicesMental Health -
Invitation Only
Manton Foundation
New York, NY · EIN 13-3636372 · latest return: tax year 2024EnvironmentArts & CultureEducationHealth -
Invitation Only
The Service Family Foundation
Vancouver, WA · EIN 87-2935844 · latest return: tax year 2024EducationHealthArts & CultureChildren & Youth -
Invitation Only
The James Irvine Foundation
San Francisco, CA · EIN 94-1236937 · latest return: tax year 2024EducationHuman ServicesArts & CultureCommunity Development -
Invitation Only
The Susan Thompson Buffett Foundation
Omaha, NE · EIN 47-6032365 · latest return: tax year 2025EducationHealthHuman ServicesEnvironment -
Gave $14.4M in 2024
E Rhodes and Leona B Carpenter Foundation
Radnor, PA · EIN 51-0155772 · latest return: tax year 2024Arts & CultureEducationFaith-BasedChildren & Youth -
Invitation Only
The William H Donner Foundation Inc
Tarrytown, NY · EIN 23-1611346 · latest return: tax year 2024Arts & CultureEducationHuman ServicesHealth