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.
1,525 funders with a return from the last few years. Clear filters Browse all profiles by state
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Gave $90.3M in 2024
Doris Duke Charitable Foundation Inc
New York, NY · EIN 82-3691183 · latest return: tax year 2024Arts & CultureEducationEnvironmentHealth -
Invitation Only
Good Ventures Foundation
Palo Alto, CA · EIN 46-1008520 · latest return: tax year 2024EducationAnimal WelfareHealthSTEM -
Invitation Only
Amateur Radio Digital Communications
San Diego, CA · EIN 45-3751971 · latest return: tax year 2025EducationSTEMChildren & YouthArts & Culture -
Invitation Only
American Electric Power Foundation
Wilmington, DE · EIN 20-3886453 · latest return: tax year 2025EducationHuman ServicesFood AssistanceChildren & Youth -
Invitation Only
John D and Catherine T Macarthur Foundation
Chicago, IL · EIN 23-7093598 · latest return: tax year 2024Arts & CultureEducationEnvironmentCommunity Development -
Gave $1.9M in 2024
Patrick P Lee Foundation Inc
Williamsville, NY · EIN 45-3845576 · latest return: tax year 2024EducationSTEMHealthMental Health -
Invitation Only
The Lemelson Foundation
Portland, OR · EIN 88-0391959 · latest return: tax year 2024EducationSTEMEnvironmentArts & Culture -
Gave $13.3M in 2024
The Grable Foundation
Pittsburgh, PA · EIN 25-1309888 · latest return: tax year 2024EducationChildren & YouthArts & CultureHuman Services -
Gave $4.6M in 2025
The Steinman Foundation
Lancaster, PA · EIN 23-6266377 · latest return: tax year 2025EducationSTEMCommunity DevelopmentArts & Culture -
Invitation Only
The Leona M and Harry B Helmsley Charitable Trust
New York, NY · EIN 13-7184401 · latest return: tax year 2024HealthEducationSTEMChildren & Youth -
Invitation Only
Chan Zuckerberg Initiative Foundation
Palo Alto, CA · EIN 45-5002209 · latest return: tax year 2024EducationSTEMHealthCommunity Development -
Invitation Only
Tiny Blue Dot Inc
West Hollywood, CA · EIN 46-4924931 · latest return: tax year 2024STEMEducationHealthMental Health -
Invitation Only
The Pfizer Foundation Inc
New York, NY · EIN 13-6083839 · latest return: tax year 2024EducationHuman ServicesAnimal WelfareHealth -
Gave $2.8M in 2025
Boston Scientific Foundation Inc
Marlborough, MA · EIN 04-3556844 · latest return: tax year 2025EducationHealthSTEMChildren & Youth -
Invitation Only
APS Foundation Inc
Phoenix, AZ · EIN 95-3735903 · latest return: tax year 2025STEMEducationCommunity DevelopmentChildren & Youth -
Invitation Only
Angeles T Arredondo Foundation
Stamford, CT · EIN 13-3100869 · latest return: tax year 2025EducationSTEMChildren & YouthYouth Sports -
Invitation Only
The Patrick J Mcgovern Foundation Inc
Boston, MA · EIN 22-3021586 · latest return: tax year 2024EducationHealthEnvironmentSTEM -
Invitation Only
Samueli Foundation
Corona Del Mar, CA · EIN 33-0758237 · latest return: tax year 2024EducationArts & CultureHealthHuman Services -
Gave $22.6M in 2024
Texas Instruments Foundation
Dallas, TX · EIN 75-6038519 · latest return: tax year 2024EducationHuman ServicesArts & CultureHealth -
Gave $8M in 2024
Research Corporation dba Research Corporation for Science Advancement
Tucson, AZ · EIN 13-1963407 · latest return: tax year 2024EducationSTEMAnimal WelfareHealth