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.

1,035 funders with a return from the last few years. Clear filters Browse all profiles by state

• Quadrivium

  New York, NY · EIN 46-1535719 · latest return: tax year 2024

  Invitation Only
  Grants paid $20.8M Organizations funded 22 Typical grant $500,000 Preselected recipients only
  EnvironmentSTEMAnimal WelfareEducation

• Nick Simons Foundation

  New York, NY · EIN 20-3101239 · latest return: tax year 2024

  Invitation Only
  Grants paid $15.6M Organizations funded 21 Typical grant $25,000 Preselected recipients only
  HealthEducationArts & CultureSTEM

• The Rao Foundation

  Flower Mound, TX · EIN 45-2665652 · latest return: tax year 2025

  Gave $2.2M in 2025
  Organizations funded 20 Typical grant $15,000 Describes how to apply
  EducationChildren & YouthHuman ServicesSTEM

• Bridgemill Foundation

  New Canaan, CT · EIN 13-3671059 · latest return: tax year 2024

  Invitation Only
  Grants paid $3.1M Organizations funded 19 Typical grant $50,764 Preselected recipients only
  EnvironmentEducationChildren & YouthSTEM

• Act for Nih Foundation Inc

  Washington, DC · EIN 82-1130166 · latest return: tax year 2024

  Invitation Only
  Grants paid $364K Organizations funded 19 Typical grant $18,000 Preselected recipients only
  HealthEducationSTEMArts & Culture

• The Dean Witter Foundation

  San Rafael, CA · EIN 94-6065150 · latest return: tax year 2024

  Gave $428K in 2024
  Organizations funded 18 Typical grant $25,000 Describes how to apply
  EnvironmentEducationAnimal WelfareHealth

• Stadler Family Charitable Foundation Inc

  Titusville, NJ · EIN 45-2470819 · latest return: tax year 2024

  Invitation Only
  Grants paid $7M Organizations funded 17 Typical grant $143,900 Preselected recipients only
  EnvironmentAnimal WelfareArts & CultureEducation

• The Cecil and Irene Hylton Foundation Inc

  Dale City, VA · EIN 52-1633658 · latest return: tax year 2024

  Gave $5.6M in 2024
  Organizations funded 17 Typical grant $54,809 Describes how to apply
  Arts & CultureChildren & YouthYouth SportsEducation

• Thornton Tomasetti Foundation

  New York, NY · EIN 26-0466368 · latest return: tax year 2024

  Gave $168K in 2024
  Organizations funded 16 Typical grant $9,000 Describes how to apply
  EducationSTEM

• Eugene and Carol Choi Family Foundation

  Irvine, CA · EIN 26-3833324 · latest return: tax year 2025

  Invitation Only
  Grants paid $275K Organizations funded 15 Typical grant $10,000 Preselected recipients only
  Arts & CultureEducationChildren & YouthCommunity Development

• Adams Family Foundation

  Wilmington, DE · EIN 45-4101683 · latest return: tax year 2025

  Invitation Only
  Grants paid $147K Organizations funded 15 Typical grant $3,000 Preselected recipients only
  EducationFaith-BasedSTEMHealth

• Robert J Besal Memorial Education Fund Inc

  Atlanta, GA · EIN 88-3608928 · latest return: tax year 2025

  Invitation Only
  Grants paid $110K Organizations funded 5 Typical grant $22,000 Preselected recipients only
  EducationSTEM

• Ima Foundation

  Wichita, KS · EIN 23-7432160 · latest return: tax year 2025

  Invitation Only
  Grants paid $831K Organizations funded 602 Typical grant $419 Preselected recipients only
  Human ServicesEducationHealthAnimal Welfare

• Westmeath Foundation

  Wilmington, DE · EIN 46-1350014 · latest return: tax year 2024

  Invitation Only
  Grants paid $3.7M Organizations funded 131 Typical grant $15,000 Preselected recipients only
  EducationChildren & YouthHuman ServicesHealth

• Castaways Foundation

  Chicago, IL · EIN 36-3738769 · latest return: tax year 2025

  Invitation Only
  Grants paid $180K Organizations funded 77 Typical grant $1,000 Preselected recipients only
  EducationHealthFood AssistanceHuman Services

• Johnson Foundation of the Rockies

  Wilmington, DE · EIN 47-4702259 · latest return: tax year 2024

  Invitation Only
  Grants paid $1.9M Organizations funded 109 Typical grant $15,000 Preselected recipients only
  EducationChildren & YouthHuman ServicesYouth Sports

• Richard R Reed Foundation

  Castle Rock, CO · EIN 47-3818599 · latest return: tax year 2025

  Gave $604K in 2025
  Organizations funded 71 Typical grant $10,000 Describes how to apply
  Animal WelfareChildren & YouthEducationHuman Services

• American Tower Corporation Foundation Inc

  Boston, MA · EIN 81-5266916 · latest return: tax year 2024

  Invitation Only
  Grants paid $1.7M Organizations funded 632 Typical grant $200 Preselected recipients only
  EducationHealthHuman ServicesAnimal Welfare

• The Phyllis M Coors Foundation

  Wilmington, DE · EIN 84-1502623 · latest return: tax year 2024

  Invitation Only
  Grants paid $562K Organizations funded 43 Typical grant $10,000 Preselected recipients only
  HealthHuman ServicesArts & CultureChildren & Youth

• The Myron Stratton Home

  Colorado Springs, CO · EIN 84-0404260 · latest return: tax year 2025

  Gave $974K in 2025
  Organizations funded 37 Typical grant $20,000 Describes how to apply
  Human ServicesChildren & YouthHousingEducation