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.

5,181 funders with a return from the last few years. Clear filters Browse all profiles by state

• Tern Foundation Inc

  Eastham, MA · EIN 26-3987455 · latest return: tax year 2025

  Invitation Only
  Grants paid $251K Organizations funded 43 Typical grant $1,057 Preselected recipients only
  EnvironmentArts & CultureCommunity DevelopmentAnimal Welfare

• Ruggles Family Foundation

  Garden City, NY · EIN 26-6381931 · latest return: tax year 2024

  Invitation Only
  Grants paid $2.4M Organizations funded 94 Typical grant $10,000 Preselected recipients only
  EducationHuman ServicesEnvironmentArts & Culture

• Harken Foundation

  Highland Park, IL · EIN 36-3712655 · latest return: tax year 2024

  Gave $250K in 2024
  Organizations funded 80 Typical grant $500 Describes how to apply
  EnvironmentArts & CultureEducationHuman Services

• Grey Rocks Foundation Inc

  Boston, MA · EIN 04-2944189 · latest return: tax year 2024

  Invitation Only
  Grants paid $2.9M Organizations funded 97 Typical grant $10,000 Preselected recipients only
  EducationEnvironmentAnimal WelfareArts & Culture

• Mazar Family Charitable Foundation Trust

  Boston, MA · EIN 04-3344681 · latest return: tax year 2024

  Invitation Only
  Grants paid $612K Organizations funded 68 Typical grant $4,500 Preselected recipients only
  EnvironmentAnimal WelfareEducationHuman Services

• The Gertler Clark Foundation Inc

  Weston, MA · EIN 13-6122092 · latest return: tax year 2024

  Invitation Only
  Grants paid $337K Organizations funded 45 Typical grant $1,000 Preselected recipients only
  EducationEnvironmentArts & CultureChildren & Youth

• Shipley Foundation Inc #0755496

  Boston, MA · EIN 23-7015570 · latest return: tax year 2024

  Invitation Only
  Grants paid $10M Organizations funded 83 Typical grant $50,000 Preselected recipients only
  EducationHuman ServicesEnvironmentAnimal Welfare

• North Pond Foundation

  Wilmington, DE · EIN 51-0362794 · latest return: tax year 2024

  Invitation Only
  Grants paid $565K Organizations funded 55 Typical grant $10,000 Preselected recipients only
  EducationEnvironmentArts & CultureCommunity Development

• Good Ventures Foundation

  Palo Alto, CA · EIN 46-1008520 · latest return: tax year 2024

  Invitation Only
  Grants paid $306.7M Organizations funded 393 Typical grant $330,157 Preselected recipients only
  EducationAnimal WelfareSTEMHealth

• Leon Lowenstein Foundation Inc

  Madison, CT · EIN 13-6015951 · latest return: tax year 2025

  Invitation Only
  Grants paid $8M Organizations funded 103 Typical grant $25,000 Preselected recipients only
  EducationArts & CultureHealthHuman Services

• William Randolph Hearst Foundation

  New York, NY · EIN 13-6019226 · latest return: tax year 2024

  Gave $34.9M in 2024
  Organizations funded 264 Typical grant $100,000 Describes how to apply
  EducationHealthArts & CultureChildren & Youth

• Elizabeth Ring Mather and William Gwinn Mather Fund

  Cleveland, OH · EIN 34-6519863 · latest return: tax year 2024

  Gave $1.1M in 2024
  Organizations funded 105 Typical grant $5,000 Describes how to apply
  Arts & CultureEducationEnvironmentHealth

• The Susan Thompson Buffett Foundation

  Omaha, NE · EIN 47-6032365 · latest return: tax year 2025

  Invitation Only
  Grants paid $1.5B Organizations funded 417 Typical grant $602,713 Preselected recipients only
  EducationHealthHuman ServicesEnvironment

• CSX Foundation Inc

  Jacksonville, FL · EIN 26-2248439 · latest return: tax year 2025

  Invitation Only
  Grants paid $13.7M Organizations funded 607 Typical grant $400 Preselected recipients only
  EducationAnimal WelfareHuman ServicesHealth

• Hess Foundation Inc

  Parsippany, NJ · EIN 22-1713046 · latest return: tax year 2023

  Invitation Only
  Grants paid $63.4M Organizations funded 141 Typical grant $50,000 Preselected recipients only
  Arts & CultureEducationEnvironmentHuman Services

• Ellen and Samuel Phelan Family Foundation Inc

  Red Hook, NY · EIN 80-0026536 · latest return: tax year 2025

  Invitation Only
  Grants paid $90K Organizations funded 58 Typical grant $560 Preselected recipients only
  Arts & CultureEnvironmentEducationHuman Services

• O'neill Family Charitable Trust

  New York, NY · EIN 45-6363482 · latest return: tax year 2024

  Invitation Only
  Grants paid $8.5M Organizations funded 149 Typical grant $20,000 Preselected recipients only
  EducationArts & CultureHealthHuman Services

• The Diane and Guilford Glazer Foundation

  Beverly Hills, CA · EIN 84-3205480 · latest return: tax year 2024

  Gave $27.2M in 2024
  Organizations funded 112 Typical grant $100,000 Describes how to apply
  EducationHealthEnvironmentArts & Culture

• Nora Roberts Foundation Inc

  Glenn Dale, MD · EIN 52-2189081 · latest return: tax year 2025

  Invitation Only
  Grants paid $7.5M Organizations funded 466 Typical grant $5,000 Preselected recipients only
  Arts & CultureEducationHuman ServicesHealth

• The Martin Foundation Inc

  Naples, FL · EIN 35-1070929 · latest return: tax year 2024

  Gave $2.3M in 2024
  Organizations funded 50 Typical grant $25,000 Describes how to apply
  EnvironmentHuman ServicesArts & CultureEducation