The New York State Capitol
Foundation Lookup

Private foundations Rye Brook, NYtax years 2023 to 2025

Private foundations in Rye Brook, NY

24 private foundations based in Rye Brook, NY filed a 990-PF in the last two years. In their latest returns they gave $27.7 million in 580 grants, and 4 say they accept applications.

See which foundations fund work like yours Matching by cause, place and grant size

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. The G Harold & Leila Y Mathers Charitable FoundationRye Brook, NY · tax year 2024 103 grants Accepts applications $17,273,778 giving
  2. The Heffernan Family FoundationRye Brook, NY · tax year 2025 29 grants Preselected only $2,874,888 giving
  3. Elizabeth M Pfriem FoundationRye Brook, NY · tax year 2024 33 grants Preselected only $2,532,753 giving
  4. Doris & Stanley Tananbaum FoundationRye Brook, NY · tax year 2025 71 grants Preselected only $2,350,000 giving
  5. The Landegger Charitable Foundation IncRye Brook, NY · tax year 2024 84 grants Preselected only $622,300 giving
  6. The Rosenfeld Heart Foundation IncRye Brook, NY · tax year 2024 6 grants Preselected only $555,000 giving
  7. Harold L Wyman Foundation IncRye Brook, NY · tax year 2024 117 grants Preselected only $316,990 giving
  8. The Coleman FoundationRye Brook, NY · tax year 2024 18 grants Preselected only $261,692 giving
  9. George F Landegger Charitable Foundation IncRye Brook, NY · tax year 2023 7 grants Preselected only $216,800 giving
  10. Norman M Morris Foundation IncRye Brook, NY · tax year 2025 16 grants Accepts applications $196,000 giving
  11. The Steiner Family FoundationRye Brook, NY · tax year 2025 39 grants Preselected only $153,050 giving
  12. Helen & Anthony J Scala FoundationRye Brook, NY · tax year 2025 4 grants Preselected only $137,028 giving
  13. Michael Suesserman Family FoundationRye Brook, NY · tax year 2025 1 grant Preselected only $100,000 giving
  14. Suzanne Cohn Simon Family Foundation IncRye Brook, NY · tax year 2024 14 grants Preselected only $84,350 giving
  15. Gottlieb Family Foundation IncRye Brook, NY · tax year 2025 17 grants Accepts applications $30,568 giving
  16. Schultze FoundationRye Brook, NY · tax year 2024 8 grants Preselected only $18,000 giving
  17. The Frank Soifer Foundation IncRye Brook, NY · tax year 2025 11 grants Preselected only $10,860 giving
  18. Jacob Wallerstein Foundation IncRye Brook, NY · tax year 2025 1 grant Preselected only $10,000 giving
  19. Michael I Jacobs MD Charitable FounRye Brook, NY · tax year 2025 1 grant Accepts applications $1,713 giving

Foundations that accept applications

Largest first

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

  1. The G Harold & Leila Y Mathers Charitable FoundationRye Brook, NY · tax year 2024 103 grants Accepts applications $17,273,778 giving
  2. Norman M Morris Foundation IncRye Brook, NY · tax year 2025 16 grants Accepts applications $196,000 giving
  3. Gottlieb Family Foundation IncRye Brook, NY · tax year 2025 17 grants Accepts applications $30,568 giving
  4. Michael I Jacobs MD Charitable FounRye Brook, NY · tax year 2025 1 grant Accepts applications $1,713 giving

Giving by cause

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

  1. Education11 foundations $6,230,66945% of the total
  2. Medical research3 foundations $2,755,66320% of the total
  3. Health9 foundations $1,511,58011% of the total
  4. Human services6 foundations $703,7005% of the total
  5. Science and technology1 foundation $481,1933% of the total
  6. Philanthropy and grantmaking6 foundations $427,5003% of the total
  7. 16 other causes $1,759,49413% of the total

Most active small givers

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

  1. The Steiner Family FoundationRye Brook, NY · tax year 2025 39 grants Preselected only $153,050 giving
  2. Gottlieb Family Foundation IncRye Brook, NY · tax year 2025 17 grants Accepts applications $30,568 giving
  3. Suzanne Cohn Simon Family Foundation IncRye Brook, NY · tax year 2024 14 grants Preselected only $84,350 giving
  4. The Frank Soifer Foundation IncRye Brook, NY · tax year 2025 11 grants Preselected only $10,860 giving
  5. Schultze FoundationRye Brook, NY · tax year 2024 8 grants Preselected only $18,000 giving
  6. Helen & Anthony J Scala FoundationRye Brook, NY · tax year 2025 4 grants Preselected only $137,028 giving
  7. Michael Suesserman Family FoundationRye Brook, NY · tax year 2025 1 grant Preselected only $100,000 giving
  8. Jacob Wallerstein Foundation IncRye Brook, NY · tax year 2025 1 grant Preselected only $10,000 giving
  9. Michael I Jacobs MD Charitable FounRye Brook, NY · tax year 2025 1 grant Accepts applications $1,713 giving