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.

3,700 funders with a return from the last few years. Clear filters Browse all profiles by state

• Thomas a Fox Charitable Trust

  Madison, WI · EIN 39-6608889 · latest return: tax year 2025

  Gave $80K in 2025
  Organizations funded 12 Typical grant $4,975 Describes how to apply
  EnvironmentAnimal WelfareEducation

• Thomas O Brown Foundation

  Warrenville, IL · EIN 22-3894171 · latest return: tax year 2025

  Invitation Only
  Grants paid $261K Organizations funded 11 Typical grant $25,000 Preselected recipients only
  EnvironmentAnimal Welfare

• Polk Bros Foundation Inc

  Chicago, IL · EIN 36-6108293 · latest return: tax year 2024

  Gave $19.3M in 2024
  Organizations funded 568 Typical grant $25,000 Describes how to apply
  Arts & CultureEducationHuman ServicesHealth

• Andrew Family Foundation

  Orland Park, IL · EIN 36-3926511 · latest return: tax year 2024

  Gave $847K in 2024
  Organizations funded 160 Typical grant $1,500 Describes how to apply
  EducationHuman ServicesArts & CultureChildren & Youth

• Madigan Family Foundation

  Chicago, IL · EIN 36-4155300 · latest return: tax year 2025

  Invitation Only
  Grants paid $1.5M Organizations funded 85 Typical grant $5,000 Preselected recipients only
  EducationEnvironmentArts & CultureChildren & Youth

• Josephine P & John J Louis Foundation Inc

  Lake Geneva, WI · EIN 36-3837993 · latest return: tax year 2024

  Invitation Only
  Grants paid $434K Organizations funded 44 Typical grant $2,000 Preselected recipients only
  EducationEnvironmentHealthArts & Culture

• 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

• 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

• Eleven Eleven Foundation

  Highland Park, IL · EIN 46-1463656 · latest return: tax year 2024

  Invitation Only
  Grants paid $27.6M Organizations funded 54 Typical grant $50,000 Preselected recipients only
  EnvironmentEducationArts & CultureCommunity Development

• Matthew Zell Family Foundation

  Chicago, IL · EIN 83-2650859 · latest return: tax year 2024

  Invitation Only
  Grants paid $1.7M Organizations funded 22 Typical grant $10,000 Preselected recipients only
  Arts & CultureFaith-BasedEnvironmentEducation

• King Spruce Company

  Boston, MA · EIN 01-6009168 · latest return: tax year 2024

  Invitation Only
  Grants paid $287K Organizations funded 74 Typical grant $1,000 Preselected recipients only
  Arts & CultureEnvironmentEducationChildren & Youth

• K2N2 Family Foundation

  Wilmington, DE · EIN 46-1375396 · latest return: tax year 2025

  Invitation Only
  Grants paid $70K Organizations funded 37 Typical grant $250 Preselected recipients only
  EnvironmentEducationAnimal WelfareFood Assistance

• Goldring Family Foundation

  Metairie, LA · EIN 72-6022666 · latest return: tax year 2024

  Gave $7M in 2024
  Organizations funded 305 Typical grant $7,000 Describes how to apply
  EducationHealthArts & CultureHuman Services

• Al & Peggy Dematteis Family Foundation

  Manhasset, NY · EIN 11-3052224 · latest return: tax year 2025

  Gave $177K in 2025
  Organizations funded 283 Typical grant $400 Describes how to apply
  Human ServicesHealthEducationChildren & Youth

• Quest Foundation

  Danville, CA · EIN 20-1844715 · latest return: tax year 2024

  Invitation Only
  Grants paid $7.5M Organizations funded 173 Typical grant $35,000 Preselected recipients only
  EducationChildren & YouthHuman ServicesArts & Culture

• 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

• 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 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

• 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

• Virginia G Piper Charitable Trust

  Phoenix, AZ · EIN 86-6247076 · latest return: tax year 2024

  Gave $24.5M in 2024
  Organizations funded 483 Typical grant $7,500 Describes how to apply
  EducationArts & CultureHuman ServicesHealth