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Cause AnimalsState Colorado231 funders

Foundations that fund animals in Colorado

231 private foundations based in Colorado with a return in the last two years gave $20 million to animals organizations in 529 grants. The median grant was $3,000, and 44 of these foundations accept applications.

Foundations with a return in the last two years, each by its latest return (tax years 2023 to 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Ranked by giving to animals

Top 50

Grants in each foundation’s latest return to organizations whose IRS category is animals.

  1. Ahimsa FoundationNiwot, CO · tax year 2024 1 grant Preselected only $12,530,000 to animals
  2. Hadley & Marion Stuart FoundationLongmont, CO · tax year 2024 3 grants Preselected only $1,100,000 to animals
  3. Gladys Bartz TrustFort Collins, CO · tax year 2024 1 grant Preselected only $812,000 to animals
  4. Animal Assistance FoundationLakewood, CO · tax year 2025 31 grants Preselected only $484,800 to animals
  5. Schlessman Foundation IncDenver, CO · tax year 2024 2 grants Preselected only $440,000 to animals
  6. Koelbel Family FoundationDenver, CO · tax year 2024 1 grant Preselected only $300,000 to animals
  7. Gates Family FoundationDenver, CO · tax year 2025 12 grants Accepts applications $281,014 to animals
  8. Schoelzel Family FoundationEnglewood, CO · tax year 2025 6 grants Preselected only $154,000 to animals
  9. McDaniel Family FoundationBoulder, CO · tax year 2025 1 grant Preselected only $150,000 to animals
  10. The Frederic C Hamilton Family FoundationCentennial, CO · tax year 2024 1 grant Preselected only $150,000 to animals
  11. Ayudar FoundationLakewood, CO · tax year 2025 2 grants Preselected only $150,000 to animals
  12. Caruthers Family FoundationDenver, CO · tax year 2024 4 grants Preselected only $135,000 to animals
  13. Brothers Brook FoundationDenver, CO · tax year 2025 3 grants Preselected only $131,000 to animals
  14. The Merlin FoundationBoulder, CO · tax year 2024 2 grants Preselected only $110,000 to animals
  15. Andrews Family FoundationAspen, CO · tax year 2025 2 grants Preselected only $90,000 to animals
  16. The Sally Judith McLellan Wildlife FoundationLittleton, CO · tax year 2025 2 grants Preselected only $90,000 to animals
  17. Mary Elizabeth Bates FoundationConifer, CO · tax year 2025 12 grants Accepts applications $85,750 to animals
  18. Singer Family FoundationDenver, CO · tax year 2024 4 grants Accepts applications $85,000 to animals
  19. Kaimas FoundationColorado Springs, CO · tax year 2024 2 grants Preselected only $84,000 to animals
  20. Harry L Willett Foundation C O Boyd RyanLittleton, CO · tax year 2024 2 grants Preselected only $80,000 to animals
  21. Kenneth and Myra Monfort Charitable Foundation IncFort Collins, CO · tax year 2024 5 grants Preselected only $80,000 to animals
  22. Virginia G Christensen Trust FBO the BoulderDenver, CO · tax year 2025 1 grant Preselected only $77,192 to animals
  23. William & Sandra Condon Family FoundationBoulder, CO · tax year 2025 2 grants Preselected only $73,794 to animals
  24. Richard Reed FoundationCastle Rock, CO · tax year 2025 11 grants Accepts applications $70,000 to animals
  25. Island FoundationEnglewood, CO · tax year 2025 1 grant Preselected only $69,399 to animals
  26. James J & Helen M McCaffery Charitable Foundation TrustColorado Springs, CO · tax year 2024 4 grants Preselected only $68,000 to animals
  27. Angus Held FoundationFraser, CO · tax year 2025 2 grants Preselected only $65,000 to animals
  28. The Telluray FoundationLittleton, CO · tax year 2024 1 grant Preselected only $64,000 to animals
  29. Bardsley FoundationDenver, CO · tax year 2025 1 grant Preselected only $55,000 to animals
  30. Aspen Business Center FoundationAspen, CO · tax year 2024 6 grants Preselected only $53,500 to animals
  31. Clough Family FoundationRifle, CO · tax year 2025 6 grants Accepts applications $51,000 to animals
  32. Ronald And Carol Moore Family FoundationDenver, CO · tax year 2024 1 grant Preselected only $50,000 to animals
  33. R David & Suzanne A Hoover Charitable TrustBoulder, CO · tax year 2024 1 grant Preselected only $50,000 to animals
  34. G E Johnson FoundationColorado Springs, CO · tax year 2024 1 grant Preselected only $50,000 to animals
  35. Engler-Coleman FoundationSilverthorne, CO · tax year 2024 1 grant Preselected only $50,000 to animals
  36. The Bob and Doris Johnston FoundationPueblo, CO · tax year 2025 1 grant Accepts applications $50,000 to animals
  37. Warburton Way FoundationDenver, CO · tax year 2024 1 grant Preselected only $50,000 to animals
  38. Natalie A Bentzen Charitable Trust Uad 0806Denver, CO · tax year 2025 4 grants Preselected only $48,248 to animals
  39. David & Sandra Millspaugh Foundation IncBoulder, CO · tax year 2024 3 grants Preselected only $41,000 to animals
  40. Mark and Maureen Miller Family FDDenver, CO · tax year 2025 1 grant Preselected only $40,000 to animals
  41. Ellen J Frommhold Charitable TrustGreenwood Village, CO · tax year 2025 2 grants Preselected only $38,520 to animals
  42. The Joseph Henry Edmondson FoundationColorado Springs, CO · tax year 2024 9 grants Accepts applications $38,000 to animals
  43. Noah's Ark FoundationCastle Rock, CO · tax year 2024 2 grants Preselected only $30,000 to animals
  44. Mighty Arrow Family FoundationFort Collins, CO · tax year 2024 1 grant Preselected only $30,000 to animals
  45. The Thies Foundation IncHighlands Ranch, CO · tax year 2024 2 grants Preselected only $29,000 to animals
  46. Kissinger Family Foundation IncBoulder, CO · tax year 2023 6 grants Preselected only $26,680 to animals
  47. Helen Murray Charitable TrustGreenwood Village, CO · tax year 2025 2 grants Preselected only $25,714 to animals
  48. The Titus FoundationDenver, CO · tax year 2024 1 grant Preselected only $25,000 to animals
  49. The Chenzyme Foundation IncTimnath, CO · tax year 2024 3 grants Preselected only $25,000 to animals
  50. Broe Family FoundationDenver, CO · tax year 2024 3 grants Preselected only $25,000 to animals

Open to applications

25 foundations

The return gives an application contact and does not check the preselected-only box.

  1. Gates Family FoundationDenver, CO · tax year 2025 12 grants Accepts applications $281,014 to animals
  2. Mary Elizabeth Bates FoundationConifer, CO · tax year 2025 12 grants Accepts applications $85,750 to animals
  3. Singer Family FoundationDenver, CO · tax year 2024 4 grants Accepts applications $85,000 to animals
  4. Richard Reed FoundationCastle Rock, CO · tax year 2025 11 grants Accepts applications $70,000 to animals
  5. Clough Family FoundationRifle, CO · tax year 2025 6 grants Accepts applications $51,000 to animals
  6. The Bob and Doris Johnston FoundationPueblo, CO · tax year 2025 1 grant Accepts applications $50,000 to animals
  7. The Joseph Henry Edmondson FoundationColorado Springs, CO · tax year 2024 9 grants Accepts applications $38,000 to animals
  8. Alice Jenkins FoundationLouisville, CO · tax year 2024 12 grants Accepts applications $20,565 to animals
  9. The Verdoorn FoundationGreenwood Village, CO · tax year 2025 1 grant Accepts applications $16,000 to animals
  10. Anschutz Family FoundationDenver, CO · tax year 2024 4 grants Accepts applications $15,500 to animals
  11. The Strandberg Family FoundationAvon, CO · tax year 2024 2 grants Accepts applications $15,000 to animals
  12. Maki FoundationCarbondale, CO · tax year 2025 3 grants Accepts applications $15,000 to animals
  13. Vollbracht Family FoundationLittleton, CO · tax year 2025 1 grant Accepts applications $15,000 to animals
  14. The Fullerton Family Charitable FundAspen, CO · tax year 2024 1 grant Accepts applications $14,000 to animals
  15. John R Oltman Charitable FoundationAvon, CO · tax year 2024 7 grants Accepts applications $13,400 to animals
  16. The Cartwright Foundation for the Care and Treatment of Sick or Injured AnimalsElizabeth, CO · tax year 2024 2 grants Accepts applications $12,094 to animals
  17. McIntosh Stephenson FoundationBasalt, CO · tax year 2024 4 grants Accepts applications $10,010 to animals
  18. Booboo FoundationPlacerville, CO · tax year 2024 5 grants Accepts applications $10,000 to animals
  19. The Fern and Samuel Primack Family FoundationAurora, CO · tax year 2025 1 grant Accepts applications $9,000 to animals
  20. Robert Hoag Rawlings FoundationPueblo, CO · tax year 2024 3 grants Accepts applications $8,500 to animals
  21. Libertygives FoundationEnglewood, CO · tax year 2025 7 grants Accepts applications $6,637 to animals
  22. Pueblo Day Nursery Children's FoundationPueblo, CO · tax year 2025 1 grant Accepts applications $6,500 to animals
  23. Outcalt FoundationAlamosa, CO · tax year 2024 1 grant Accepts applications $5,000 to animals
  24. Nextfifty Initiative D/B/A NEXT50Denver, CO · tax year 2025 1 grant Accepts applications $5,000 to animals
  25. Temple Hoyne Buell FoundationDenver, CO · tax year 2024 2 grants Accepts applications $3,500 to animals