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Private foundations Atherton, CAtax years 2024 to 2025

Private foundations in Atherton, CA

34 private foundations based in Atherton, CA filed a 990-PF in the last two years. In their latest returns they gave $7.4 million in 274 grants, and 2 say they accept applications.

Foundations with a return in the last two years, each by its latest return (tax years 2024 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. Hutton Family FoundationAtherton, CA · tax year 2025 83 grants Preselected only $1,599,310 giving
  2. Hoag Family FoundationAtherton, CA · tax year 2024 32 grants Preselected only $1,364,588 giving
  3. Six Tree FoundationAtherton, CA · tax year 2025 16 grants Preselected only $1,066,500 giving
  4. Making Their Mark Foundation A Charitable TrustAtherton, CA · tax year 2024 7 grants Preselected only $630,135 giving
  5. Stephen and Margaret Gill Family FoundationAtherton, CA · tax year 2024 11 grants Preselected only $321,000 giving
  6. Huang Pacific FoundationAtherton, CA · tax year 2024 10 grants Preselected only $318,000 giving
  7. The Goel FoundationAtherton, CA · tax year 2024 1 grant Accepts applications $280,000 giving
  8. The Palm Tree FoundationAtherton, CA · tax year 2025 15 grants Preselected only $266,844 giving
  9. Hui FoundationAtherton, CA · tax year 2024 3 grants Preselected only $256,000 giving
  10. The Arnold and Barbara Silverman Family FoundationAtherton, CA · tax year 2024 6 grants Preselected only $223,500 giving
  11. Bartz Marr Family FoundationAtherton, CA · tax year 2025 2 grants Preselected only $205,000 giving
  12. The Zeng FoundationAtherton, CA · tax year 2024 1 grant Preselected only $200,000 giving
  13. Burgdorf Family FoundationAtherton, CA · tax year 2024 20 grants Preselected only $142,000 giving
  14. The Sweazey FoundationAtherton, CA · tax year 2025 10 grants Preselected only $125,000 giving
  15. John and Elizabeth Kerrigan Charitable FoundationAtherton, CA · tax year 2024 22 grants Preselected only $108,424 giving
  16. Robert F Ford Charitable FoundationAtherton, CA · tax year 2024 Grants listed in an attachment (not in the e-file) Preselected only $80,000 giving
  17. Kitchen Table FoundationAtherton, CA · tax year 2024 3 grants Preselected only $75,000 giving
  18. Nachtsheim Family FoundationAtherton, CA · tax year 2024 10 grants Preselected only $31,144 giving
  19. The David and Heidi Welch FoundationAtherton, CA · tax year 2025 6 grants Preselected only $24,000 giving
  20. Worthing Family FoundationAtherton, CA · tax year 2024 3 grants Preselected only $23,000 giving
  21. The Touma Family FoundationAtherton, CA · tax year 2025 7 grants Preselected only $21,429 giving
  22. Harry Anderson and Mary Margaret Anderson Charitable FoundationAtherton, CA · tax year 2024 1 grant Accepts applications $15,000 giving
  23. Shailesh & Kalpa Mehta Charitable FoundationAtherton, CA · tax year 2025 1 grant Preselected only $7,351 giving
  24. Peng & Zhou FoundationAtherton, CA · tax year 2024 1 grant Preselected only $7,000 giving
  25. Chu Family Foundation IncAtherton, CA · tax year 2024 1 grant Preselected only $4,000 giving

Foundations that accept applications

Largest first

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

  1. The Goel FoundationAtherton, CA · tax year 2024 1 grant Accepts applications $280,000 giving
  2. Harry Anderson and Mary Margaret Anderson Charitable FoundationAtherton, CA · tax year 2024 1 grant Accepts applications $15,000 giving

Giving by cause

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

  1. Education15 foundations $935,61125% of the total
  2. Arts and culture10 foundations $551,22515% of the total
  3. International aid6 foundations $446,73412% of the total
  4. Food and agriculture3 foundations $355,00010% of the total
  5. Philanthropy and grantmaking7 foundations $302,5008% of the total
  6. Health8 foundations $298,8388% of the total
  7. 17 other causes $830,55022% of the total

Most active small givers

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

  1. Nachtsheim Family FoundationAtherton, CA · tax year 2024 10 grants Preselected only $31,144 giving
  2. Making Their Mark Foundation A Charitable TrustAtherton, CA · tax year 2024 7 grants Preselected only $630,135 giving
  3. The Touma Family FoundationAtherton, CA · tax year 2025 7 grants Preselected only $21,429 giving
  4. The David and Heidi Welch FoundationAtherton, CA · tax year 2025 6 grants Preselected only $24,000 giving
  5. Hui FoundationAtherton, CA · tax year 2024 3 grants Preselected only $256,000 giving
  6. Kitchen Table FoundationAtherton, CA · tax year 2024 3 grants Preselected only $75,000 giving
  7. Worthing Family FoundationAtherton, CA · tax year 2024 3 grants Preselected only $23,000 giving
  8. Aequus FoundationAtherton, CA · tax year 2024 2 grants Preselected only $100 giving
  9. Harry Anderson and Mary Margaret Anderson Charitable FoundationAtherton, CA · tax year 2024 1 grant Accepts applications $15,000 giving
  10. Peng & Zhou FoundationAtherton, CA · tax year 2024 1 grant Preselected only $7,000 giving
  11. Chu Family Foundation IncAtherton, CA · tax year 2024 1 grant Preselected only $4,000 giving