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.
1,110 funders with a return from the last few years. Clear filters Browse all profiles by state
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Gave $1.9M in 2024
Analog Devices Foundation
Boston, MA · EIN 84-4029107 · latest return: tax year 2024EducationHuman ServicesArts & CultureFaith-Based -
Invitation Only
Sempra Energy Foundation
San Diego, CA · EIN 26-1325469 · latest return: tax year 2024EducationHuman ServicesHealthAnimal Welfare -
Invitation Only
Wellspring Philanthropic Fund Inc
New York, NY · EIN 22-3692921 · latest return: tax year 2023EducationCommunity DevelopmentEnvironmentChildren & Youth -
Invitation Only
Crankstart Foundation
San Jose, CA · EIN 94-3377099 · latest return: tax year 2024EducationArts & CultureHuman ServicesChildren & Youth -
Invitation Only
The Rockefeller Foundation
New York, NY · EIN 13-1659629 · latest return: tax year 2024EnvironmentEducationHealthCommunity Development -
Invitation Only
The Michael Sullivan Family Foundation
Naples, FL · EIN 88-2509903 · latest return: tax year 2025EducationSTEM -
Gave $60.4M in 2024
Rockefeller Brothers Fund Inc
New York, NY · EIN 13-1760106 · latest return: tax year 2024EnvironmentArts & CultureEducationCommunity Development -
Invitation Only
128 Collective Foundation
Palo Alto, CA · EIN 83-2899018 · latest return: tax year 2024EnvironmentEducationSTEMCommunity Development -
Gave $12.1M in 2024
The Cynthia & George Mitchell Foundation
The Woodlands, TX · EIN 74-2170127 · latest return: tax year 2024EnvironmentEducationArts & CultureChildren & Youth -
Invitation Only
Dalio Foundation Inc
Westport, CT · EIN 43-1965846 · latest return: tax year 2024EducationChildren & YouthArts & CultureEnvironment -
Gave $251.2M in 2024
The Duke Endowment
Charlotte, NC · EIN 56-0529965 · latest return: tax year 2024EducationHealthChildren & YouthMental Health -
Gave $2.7M in 2025
The Fluor Foundation
Irving, TX · EIN 51-0196032 · latest return: tax year 2025EducationChildren & YouthSTEMEnvironment -
Invitation Only
Novo Foundation
Hurley, NY · EIN 47-0824753 · latest return: tax year 2024EducationArts & CultureHuman ServicesEnvironment -
Invitation Only
Musk Foundation
Austin, TX · EIN 85-2133087 · latest return: tax year 2024EducationHealthSTEMHuman Services -
Invitation Only
Belcan Foundation
Blue Ash, OH · EIN 93-2806962 · latest return: tax year 2025STEMEducationHealth -
Gave $31.3M in 2024
The Commonwealth Fund
New York, NY · EIN 13-1635260 · latest return: tax year 2024HealthEducationArts & CultureHuman Services -
Gave $17.7M in 2024
William T Grant Foundation Inc
New York, NY · EIN 13-1624021 · latest return: tax year 2024EducationChildren & YouthHealthMental Health -
Invitation Only
Alumbra Innovations Foundation
Bentonville, AR · EIN 83-2841232 · latest return: tax year 2024EducationEnvironmentChildren & YouthCommunity Development -
Invitation Only
A C Israel Foundation Inc
New York, NY · EIN 51-6021414 · latest return: tax year 2024EducationArts & CultureHealthAnimal Welfare -
Gave $4M in 2025
Zimmer Biomet Foundation Inc
Warsaw, IN · EIN 83-2382526 · latest return: tax year 2025EducationHealthSTEMArts & Culture