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.

1,894 funders with a return from the last few years. Clear filters Browse all profiles by state

• Gerrish H Milliken Foundation

  Wilmington, DE · EIN 06-6037106 · latest return: tax year 2025

  Invitation Only
  Grants paid $582K Organizations funded 121 Typical grant $4,000 Preselected recipients only
  Human ServicesArts & CultureChildren & YouthEducation

• Amateur Radio Digital Communications

  San Diego, CA · EIN 45-3751971 · latest return: tax year 2025

  Invitation Only
  Grants paid $3.5M Organizations funded 110 Typical grant $10,662 Preselected recipients only
  EducationSTEMChildren & YouthArts & Culture

• Collette Foundation

  Pawtucket, RI · EIN 20-8256603 · latest return: tax year 2025

  Invitation Only
  Grants paid $285K Organizations funded 107 Typical grant $100 Preselected recipients only
  Food AssistanceAnimal WelfareChildren & YouthHuman Services

• Mrb Foundation Inc

  Lake Geneva, WI · EIN 36-3920061 · latest return: tax year 2025

  Invitation Only
  Grants paid $1.7M Organizations funded 96 Typical grant $6,000 Preselected recipients only
  EducationEnvironmentArts & CultureHealth

• L a W Foundation Inc

  Short Hills, NJ · EIN 22-3074635 · latest return: tax year 2024

  Invitation Only
  Grants paid $9.8M Organizations funded 94 Typical grant $25,000 Preselected recipients only
  EducationFaith-BasedHuman ServicesHealth

• Reinsch Pierce Family Foundation Inc

  Arlington, VA · EIN 56-2402165 · latest return: tax year 2024

  Gave $1.7M in 2024
  Organizations funded 94 Typical grant $1,000 Describes how to apply
  Arts & CultureEducationHealthAnimal Welfare

• Charles Koch Foundation

  Arlington, VA · EIN 48-0918408 · latest return: tax year 2024

  Gave $64.1M in 2024
  Organizations funded 93 Typical grant $250,000 Describes how to apply
  EducationCommunity DevelopmentSTEMYouth Sports

• Stupp Bros Bridge & Iron Co Foundation

  St Louis, MO · EIN 23-7412437 · latest return: tax year 2024

  Invitation Only
  Grants paid $576K Organizations funded 92 Typical grant $3,000 Preselected recipients only
  EducationHuman ServicesHealthAnimal Welfare

• The Lander Family Charitable Foundation

  Garden City, NY · EIN 04-3399527 · latest return: tax year 2025

  Invitation Only
  Grants paid $161K Organizations funded 91 Typical grant $1,250 Preselected recipients only
  Human ServicesEducationHealthChildren & Youth

• Wallace H Coulter Trust

  Sebastian, FL · EIN 65-6310670 · latest return: tax year 2024

  Invitation Only
  Grants paid $15.9M Organizations funded 90 Typical grant $101,500 Preselected recipients only
  Human ServicesEducationArts & CultureHealth

• Solot and Karp Family Foundation

  Wilmington, DE · EIN 23-7933630 · latest return: tax year 2025

  Invitation Only
  Grants paid $281K Organizations funded 90 Typical grant $1,000 Preselected recipients only
  EducationArts & CultureHealthEnvironment

• The Stainman Family Foundation Inc

  New York, NY · EIN 13-3980213 · latest return: tax year 2024

  Invitation Only
  Grants paid $2.5M Organizations funded 82 Typical grant $13,500 Preselected recipients only
  Arts & CultureHuman ServicesEnvironmentFood Assistance

• Tortuga Charitable Foundation

  Princeton, NJ · EIN 51-0245279 · latest return: tax year 2025

  Invitation Only
  Grants paid $8.5M Organizations funded 81 Typical grant $75,000 Preselected recipients only
  EnvironmentAnimal WelfareEducationHealth

• Catena Foundation

  Carbondale, CO · EIN 81-3783868 · latest return: tax year 2024

  Invitation Only
  Grants paid $27.2M Organizations funded 80 Typical grant $163,824 Preselected recipients only
  EnvironmentEducationHuman ServicesMental Health

• Gerald L Lennard Foundation Inc

  Wilmington, DE · EIN 13-3888381 · latest return: tax year 2024

  Invitation Only
  Grants paid $2.5M Organizations funded 80 Typical grant $10,000 Preselected recipients only
  EducationArts & CultureHealthFood Assistance

• The Paul and Phyllis Fireman Charitable Foundation

  Waltham, MA · EIN 22-2677986 · latest return: tax year 2024

  Invitation Only
  Grants paid $8.1M Organizations funded 77 Typical grant $15,000 Preselected recipients only
  Human ServicesEducationArts & CultureChildren & Youth

• National Recreation Foundation Incorporated

  Lake Forest, IL · EIN 13-6172514 · latest return: tax year 2025

  Invitation Only
  Grants paid $2.4M Organizations funded 75 Typical grant $20,000 Preselected recipients only
  Children & YouthEnvironmentEducationYouth Sports

• Lenfestey Family Foundation Inc

  Green Bay, WI · EIN 39-1748548 · latest return: tax year 2025

  Gave $217K in 2025
  Organizations funded 74 Typical grant $2,000 Describes how to apply
  Arts & CultureEducationEnvironmentCommunity Development

• Mighty Arrow Family Foundation

  Fort Collins, CO · EIN 46-1557560 · latest return: tax year 2024

  Invitation Only
  Grants paid $1.7M Organizations funded 71 Typical grant $25,000 Preselected recipients only
  EnvironmentCommunity DevelopmentEducationArts & Culture

• The Tkbw Private Foundation

  Holland, OH · EIN 34-1903674 · latest return: tax year 2024

  Gave $319K in 2024
  Organizations funded 71 Typical grant $5,000 Describes how to apply
  Human ServicesArts & CultureHealthAnimal Welfare