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Private foundations Honolulu, HItax years 2023 to 2025

Private foundations in Honolulu, HI

425 private foundations based in Honolulu, HI filed a 990-PF in the last two years. In their latest returns they gave $105.2 million in 4,385 grants, and 117 say they 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.

Largest givers

By grants paid, latest return
  1. Hau'oli Mau Loa FoundationHonolulu, HI · tax year 2024 29 grants Preselected only $6,835,821 giving
  2. McInerny FoundationHonolulu, HI · tax year 2024 107 grants Preselected only $5,730,840 giving
  3. Atherton Family FoundationHonolulu, HI · tax year 2024 Grants listed in an attachment (not in the e-file) Accepts applications $5,560,194 giving
  4. The Clarence TC Ching FoundationHonolulu, HI · tax year 2024 63 grants Accepts applications $5,387,700 giving
  5. Kosasa FoundationHonolulu, HI · tax year 2024 84 grants Accepts applications $5,190,270 giving
  6. Glacs Endowment FundHonolulu, HI · tax year 2024 3 grants Preselected only $4,321,506 giving
  7. Maurice and Joanna Sullivan Family FoundationHonolulu, HI · tax year 2025 27 grants Preselected only $3,920,000 giving
  8. The Victoria S and Bradley L Geist FoundationHonolulu, HI · tax year 2025 Grants listed in an attachment (not in the e-file) Accepts applications $3,226,691 giving
  9. Hmsa FoundationHonolulu, HI · tax year 2024 19 grants Accepts applications $2,068,000 giving
  10. Gary O Galiher Foundation IncHonolulu, HI · tax year 2024 13 grants Preselected only $2,051,547 giving
  11. Frost Family FoundationHonolulu, HI · tax year 2024 17 grants Accepts applications $2,040,000 giving
  12. Lga Family FoundationHonolulu, HI · tax year 2025 21 grants Preselected only $2,021,000 giving
  13. Samuel N & Mary Castle FDNHonolulu, HI · tax year 2024 Grants listed in an attachment (not in the e-file) Accepts applications $1,936,030 giving
  14. First Hawaiian Bank FoundationHonolulu, HI · tax year 2024 69 grants Accepts applications $1,848,900 giving
  15. Hawaii Loa OhanaHonolulu, HI · tax year 2024 33 grants Preselected only $1,784,000 giving
  16. Abigail K K Kawananakoa FoundationHonolulu, HI · tax year 2024 25 grants Preselected only $1,670,496 giving
  17. The Strong FoundationHonolulu, HI · tax year 2024 16 grants Accepts applications $1,650,000 giving
  18. The Dods FoundationHonolulu, HI · tax year 2024 22 grants Preselected only $1,582,924 giving
  19. Mamoru & Aiko Takitani Foundation IncHonolulu, HI · tax year 2024 164 grants Preselected only $1,581,080 giving
  20. Tradewind Group FoundationHonolulu, HI · tax year 2025 146 grants Accepts applications $1,491,424 giving
  21. Cooke Foundation LimitedHonolulu, HI · tax year 2024 56 grants Accepts applications $1,401,350 giving
  22. Bank of Hawaii Charitable FDNHonolulu, HI · tax year 2024 40 grants Accepts applications $1,378,285 giving
  23. Hawaii Realtors Charitable FoundationHonolulu, HI · tax year 2024 568 grants Accepts applications $1,326,493 giving
  24. Hawaiian Electric Industries Charitable FoundationHonolulu, HI · tax year 2024 Grants listed in an attachment (not in the e-file) Accepts applications $1,255,443 giving
  25. AMA Olukai FoundationHonolulu, HI · tax year 2025 17 grants Accepts applications $1,208,462 giving

Foundations that accept applications

Largest first

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

  1. Atherton Family FoundationHonolulu, HI · tax year 2024 Grants listed in an attachment (not in the e-file) Accepts applications $5,560,194 giving
  2. The Clarence TC Ching FoundationHonolulu, HI · tax year 2024 63 grants Accepts applications $5,387,700 giving
  3. Kosasa FoundationHonolulu, HI · tax year 2024 84 grants Accepts applications $5,190,270 giving
  4. The Victoria S and Bradley L Geist FoundationHonolulu, HI · tax year 2025 Grants listed in an attachment (not in the e-file) Accepts applications $3,226,691 giving
  5. Hmsa FoundationHonolulu, HI · tax year 2024 19 grants Accepts applications $2,068,000 giving
  6. Frost Family FoundationHonolulu, HI · tax year 2024 17 grants Accepts applications $2,040,000 giving
  7. Samuel N & Mary Castle FDNHonolulu, HI · tax year 2024 Grants listed in an attachment (not in the e-file) Accepts applications $1,936,030 giving
  8. First Hawaiian Bank FoundationHonolulu, HI · tax year 2024 69 grants Accepts applications $1,848,900 giving
  9. The Strong FoundationHonolulu, HI · tax year 2024 16 grants Accepts applications $1,650,000 giving
  10. Tradewind Group FoundationHonolulu, HI · tax year 2025 146 grants Accepts applications $1,491,424 giving
  11. Cooke Foundation LimitedHonolulu, HI · tax year 2024 56 grants Accepts applications $1,401,350 giving
  12. Bank of Hawaii Charitable FDNHonolulu, HI · tax year 2024 40 grants Accepts applications $1,378,285 giving
  13. Hawaii Realtors Charitable FoundationHonolulu, HI · tax year 2024 568 grants Accepts applications $1,326,493 giving
  14. Hawaiian Electric Industries Charitable FoundationHonolulu, HI · tax year 2024 Grants listed in an attachment (not in the e-file) Accepts applications $1,255,443 giving
  15. AMA Olukai FoundationHonolulu, HI · tax year 2025 17 grants Accepts applications $1,208,462 giving
  16. Charles and Mitch Ota FoundationHonolulu, HI · tax year 2025 31 grants Accepts applications $1,059,628 giving
  17. Central Pacific Bank FoundationHonolulu, HI · tax year 2025 41 grants Accepts applications $816,461 giving
  18. Hans and Clara Zimmerman FoundationHonolulu, HI · tax year 2025 85 grants Accepts applications $777,983 giving
  19. The Cades FoundationHonolulu, HI · tax year 2024 61 grants Accepts applications $710,920 giving
  20. J Watumull FundHonolulu, HI · tax year 2024 275 grants Accepts applications $683,500 giving
  21. First Insurance Company of Hawaii Charitable FoundationHonolulu, HI · tax year 2025 88 grants Accepts applications $540,780 giving
  22. Loretta Luke Yajima Dream Big FoundationHonolulu, HI · tax year 2025 3 grants Accepts applications $512,000 giving
  23. Altres FoundationHonolulu, HI · tax year 2025 94 grants Accepts applications $510,084 giving
  24. Teresa Hughes TrustHonolulu, HI · tax year 2025 11 grants Accepts applications $415,000 giving
  25. Antone and Edene Vidinha TrustHonolulu, HI · tax year 2024 8 grants Accepts applications $381,541 giving

Giving by cause

Grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Education155 foundations $14,258,99526% of the total
  2. Philanthropy and grantmaking52 foundations $6,961,96613% of the total
  3. Arts and culture96 foundations $6,592,42712% of the total
  4. Health69 foundations $4,551,8488% of the total
  5. Human services70 foundations $3,825,2847% of the total
  6. Environment39 foundations $2,899,3295% of the total
  7. 19 other causes $14,885,28928% of the total

Most active small givers

Foundations with under $1 million in assets, by the number of grants they listed.

  1. Hawaii Realtors Charitable FoundationHonolulu, HI · tax year 2024 568 grants Accepts applications $1,326,493 giving
  2. Hemic FoundationHonolulu, HI · tax year 2024 46 grants Preselected only $149,453 giving
  3. T FoundationHonolulu, HI · tax year 2024 45 grants Accepts applications $139,351 giving
  4. Y Hata & Co Limited - Hawaii Restaurant Association Endowment FundHonolulu, HI · tax year 2024 38 grants Preselected only $9,500 giving
  5. Larry and Beatrice Ching FoundationHonolulu, HI · tax year 2024 34 grants Accepts applications $56,850 giving
  6. Research Institute for HawaiiusaHonolulu, HI · tax year 2024 28 grants Preselected only $36,331 giving
  7. Stanley & Elaine Mukai FoundationHonolulu, HI · tax year 2024 23 grants Accepts applications $43,910 giving
  8. Peter G Drewliner FoundationHonolulu, HI · tax year 2024 22 grants Preselected only $42,600 giving
  9. Macnaughton FoundationHonolulu, HI · tax year 2025 20 grants Preselected only $124,406 giving
  10. KSK FoundationHonolulu, HI · tax year 2024 20 grants Preselected only $123,017 giving
  11. Fontel FoundationHonolulu, HI · tax year 2024 19 grants Preselected only $59,000 giving
  12. Ida M Pope Memorial Scholarship FundHonolulu, HI · tax year 2024 19 grants Accepts applications $31,000 giving
  13. Imi Loa FoundationHonolulu, HI · tax year 2025 18 grants Accepts applications $36,000 giving
  14. RM Towill FoundationHonolulu, HI · tax year 2025 18 grants Accepts applications $23,500 giving
  15. The Michael B Wood FoundationHonolulu, HI · tax year 2024 18 grants Accepts applications $21,000 giving