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Private foundations Old Greenwich, CTtax years 2024 to 2025

Private foundations in Old Greenwich, CT

31 private foundations based in Old Greenwich, CT filed a 990-PF in the last two years. In their latest returns they gave $22.1 million in 518 grants, and 5 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. Worldquant FoundationOld Greenwich, CT · tax year 2024 7 grants Accepts applications $6,148,801 giving
  2. Blitzer Family FoundationOld Greenwich, CT · tax year 2024 27 grants Preselected only $5,165,000 giving
  3. Karin Bain and John Kukral FoundationOld Greenwich, CT · tax year 2025 54 grants Preselected only $5,144,566 giving
  4. Ifs Family Foundation IncOld Greenwich, CT · tax year 2025 8 grants Accepts applications $1,240,382 giving
  5. The Pamela Howard Family Foundation IncOld Greenwich, CT · tax year 2025 95 grants Preselected only $831,200 giving
  6. Penn Oberlander Family Foundation IncOld Greenwich, CT · tax year 2025 29 grants Preselected only $607,385 giving
  7. The Laverack Family FoundationOld Greenwich, CT · tax year 2024 38 grants Preselected only $605,288 giving
  8. Driscoll Family FoundationOld Greenwich, CT · tax year 2025 10 grants Preselected only $479,400 giving
  9. Tikkun Olam Steinberg Foundation IncOld Greenwich, CT · tax year 2025 21 grants Preselected only $358,200 giving
  10. Zia Charitable FoundationOld Greenwich, CT · tax year 2025 60 grants Preselected only $357,957 giving
  11. Robert & Dale Rosen Charitable Foundation TR U/A 8/05/92Old Greenwich, CT · tax year 2024 21 grants Preselected only $192,026 giving
  12. The MHG Foundation IncOld Greenwich, CT · tax year 2024 25 grants Preselected only $187,900 giving
  13. Spidacares IncOld Greenwich, CT · tax year 2024 5 grants Accepts applications $156,900 giving
  14. PACS1 Syndrome Research FoundationOld Greenwich, CT · tax year 2024 2 grants Preselected only $135,667 giving
  15. Vick Foundation IncOld Greenwich, CT · tax year 2024 15 grants Accepts applications $93,500 giving
  16. The Gibbons FoundationOld Greenwich, CT · tax year 2025 27 grants Preselected only $79,685 giving
  17. The Ravengate FoundationOld Greenwich, CT · tax year 2024 6 grants Preselected only $79,500 giving
  18. The Asher Family Foundation IncOld Greenwich, CT · tax year 2025 5 grants Preselected only $66,700 giving
  19. Autism Education AllianceOld Greenwich, CT · tax year 2024 1 grant Preselected only $50,000 giving
  20. JJJ Family FoundationOld Greenwich, CT · tax year 2025 21 grants Preselected only $39,587 giving
  21. The Bryan C Cary Statutory Trust FoundatOld Greenwich, CT · tax year 2024 3 grants Preselected only $25,964 giving
  22. The Ruth Angeline Whitley Memorial Foundation IncOld Greenwich, CT · tax year 2025 7 grants Preselected only $25,000 giving
  23. The Mike and Charlotte Delaney FoundationOld Greenwich, CT · tax year 2025 8 grants Preselected only $18,000 giving
  24. Haimes Family FoundationOld Greenwich, CT · tax year 2024 22 grants Preselected only $17,400 giving
  25. E J Schmeltz Scholarship FundOld Greenwich, CT · tax year 2024 1 grant Preselected only $6,000 giving

Foundations that accept applications

Largest first

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

  1. Worldquant FoundationOld Greenwich, CT · tax year 2024 7 grants Accepts applications $6,148,801 giving
  2. Ifs Family Foundation IncOld Greenwich, CT · tax year 2025 8 grants Accepts applications $1,240,382 giving
  3. Spidacares IncOld Greenwich, CT · tax year 2024 5 grants Accepts applications $156,900 giving
  4. Vick Foundation IncOld Greenwich, CT · tax year 2024 15 grants Accepts applications $93,500 giving
  5. Costa Doro FoundationOld Greenwich, CT · tax year 2024 0 grants Accepts applications $0 giving

Giving by cause

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

  1. Education18 foundations $9,666,97062% of the total
  2. Sports and recreation5 foundations $993,6306% of the total
  3. Social science2 foundations $899,4006% of the total
  4. Arts and culture10 foundations $783,0005% of the total
  5. International aid10 foundations $744,5845% of the total
  6. Health13 foundations $679,1084% of the total
  7. 17 other causes $1,884,83312% of the total

Most active small givers

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

  1. The Gibbons FoundationOld Greenwich, CT · tax year 2025 27 grants Preselected only $79,685 giving
  2. Haimes Family FoundationOld Greenwich, CT · tax year 2024 22 grants Preselected only $17,400 giving
  3. Robert & Dale Rosen Charitable Foundation TR U/A 8/05/92Old Greenwich, CT · tax year 2024 21 grants Preselected only $192,026 giving
  4. JJJ Family FoundationOld Greenwich, CT · tax year 2025 21 grants Preselected only $39,587 giving
  5. The Mike and Charlotte Delaney FoundationOld Greenwich, CT · tax year 2025 8 grants Preselected only $18,000 giving
  6. The Ruth Angeline Whitley Memorial Foundation IncOld Greenwich, CT · tax year 2025 7 grants Preselected only $25,000 giving
  7. Spidacares IncOld Greenwich, CT · tax year 2024 5 grants Accepts applications $156,900 giving
  8. The Asher Family Foundation IncOld Greenwich, CT · tax year 2025 5 grants Preselected only $66,700 giving
  9. The Bryan C Cary Statutory Trust FoundatOld Greenwich, CT · tax year 2024 3 grants Preselected only $25,964 giving
  10. PACS1 Syndrome Research FoundationOld Greenwich, CT · tax year 2024 2 grants Preselected only $135,667 giving
  11. E J Schmeltz Scholarship FundOld Greenwich, CT · tax year 2024 1 grant Preselected only $6,000 giving