Unknown foundations

607 grantmaking foundations focused on unknown, ranked by recent giving reported to the IRS (about $420M combined).

Top foundations by giving (page 2)

26. Zeta Tau Alpha Foundation Inc

    Carmel, IN
    $3.3M (2025)
27. B Thomas Golisano Foundation

    Victor, NY
    $3M (2025)
28. Fls Foundation Inc

    Monsey, NY
    $2.9M (2024)
29. John & Denise Graves Foundation

    Minneapolis, MN
    $2.8M (2024)
30. Isabel Allende Foundation

    Sausalito, CA
    $2.7M (2025)
31. Starhill Associates Inc

    Palo Alto, CA
    $2.7M (2025)
32. Anderson Valley Foundation

    Hastings, NE
    $2.6M (2025)
33. The@jane K Lowe Charitable Foundation

    Huntsville, AL
    $2.4M (2025)
34. Sarah K Decoizart Perpetual Charitable Tr Art 10

    Chicago, IL
    $2.3M (2026)
35. Forster-Connolly Foundation

    Washington, DC
    $2.3M (2025)
36. Abundant Life Foundation

    Henderson, NV
    $2.2M (2025)
37. Zero Foodprint

    San Francisco, CA
    $2.2M (2024)
38. G Kenneth and Ann Baum Philanthropic Fund

    Kansas City, MO
    $2.1M (2024)
39. Marion & Norman Tanzman Charitable Foundation

    Woodbridge, NJ
    $2M (2024)
40. Reams Foundation Inc

    Charleston, SC
    $2M (2025)
41. Kershaw Foundation

    Dallas, TX
    $2M (2024)
42. Wendy P Mccaw Foundation

    Wilmington, DE
    $2M (2024)
43. Zero to Five Montana

    Helena, MT
    $2M (2025)
44. Oates Family Foundation

    Wilmington, DE
    $1.9M (2025)
45. Meredith Corporation Foundation

    Des Moines, IA
    $1.8M (2025)
46. Lorber Family Foundation

    Westwood, MA
    $1.8M (2024)
47. Bli Metzurim Jbb Family Foundation Inc

    Monroe, NY
    $1.8M (2024)
48. Larry L Prince Family Foundation Inc

    Atlanta, GA
    $1.6M (2024)
49. New York Crohns Foundation

    New Hyde Park, NY
    $1.5M (2025)
50. Brach Fam Charitable Tr Ua 02041997

    Bethesda, MD
    $1.5M (2024)

Showing the top 100 by giving. Search all 607 with a free account.