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Form 990-PFTax year 2024EIN 81-4732333

Ainslie Foundation

A private foundation in Dallas, TX. Its return for tax year 2024 lists 107 grants and $15.5 million paid in grants.

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

Tax year 2024 (period ending Dec 31, 2024), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

6 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2024

    $15,549,700

    Grants listed
    107
    Assets, end of year
    $456,141,302

  • Tax year 2023

    $14,999,000

    Grants listed
    85
    Assets, end of year
    $352,293,992

  • Tax year 2022

    $17,949,750

    Grants listed
    82
    Assets, end of year
    $283,097,764

  • Tax year 2021

    $13,907,000

    Grants listed
    88
    Assets, end of year
    $393,841,302

  • Tax year 2020

    $11,764,450

    Grants listed
    99
    Assets, end of year
    $350,305,543

  • Tax year 2019

    $9,724,550

    Grants listed
    85
    Assets, end of year
    $317,693,236

Grants paid in 2024

107 grants, largest first

As listed on the return.

  1. Robin Hood FoundationNew York, NY

    Social services

    $4,550,000
  2. Boys & Girls Clubs of Martin County IncHobe Sound, FL

    Community outreach

    $2,000,000
  3. Wildlife Conservation SocietyBronx, NY

    Environmental preservation & wildlife conservation

    $2,000,000
  4. Boys' Club of New YorkNew York, NY

    Community outreach

    $1,667,000
  5. Cold Spring Harbor LaboratoryCold Spring Harbor, NY

    Biomedical research

    $1,100,000
  6. Maverick Capital FoundationDallas, TX

    Philanthropy, voluntarism, and grantmaking

    $1,000,000
  7. Boys & Girls Clubs of Martin County IncHobe Sound, FL

    Community outreach

    $250,000
  8. Johns Hopkins UniversityBaltimore, MD

    Medical research - neutrophil grant

    $150,000
  9. Wildlife Conservation SocietyBronx, NY

    Environmental preservation & wildlife conservation

    $150,000
  10. Northwell Health (glen Cove Hospital)New Hyde Park, NY

    Medical center

    $125,000
  11. Universite LavalCanada

    Medical education grant

    $104,000
  12. Acumen Fund IncNew York, NY

    Promotion of business to create a global community of emerging leaders

    $100,000
  13. Boys' Club of New YorkNew York, NY

    Community outreach

    $100,000
  14. Boys' Club of New YorkNew York, NY

    Community outreach

    $100,000
  15. Environmental Defense FundNew York, NY

    Environmental preservation

    $100,000
  16. The Everglades FoundationPalmetto Bay, FL

    Environmental preservation

    $100,000
  17. New York-Presbyterian HospitalNew York, NY

    Medical center

    $100,000
  18. NpowerBrooklyn, NY

    Launching digital careers for military veterans and young adults from underserved communities

    $100,000
  19. American Academy of AchievementWashington, DC

    Education

    $50,000
  20. American Academy of AchievementWashington, DC

    Education

    $50,000
  21. CDP North AmericaNew York, NY

    Environmental preservation

    $50,000
  22. CeresBoston, MA

    Accelerating the transition to a cleaner, more just, and sustainable economy

    $50,000
  23. Colby CollegeWaterville, ME

    Education

    $50,000
  24. Community Foundation for NantucketNantucket, MA

    Community and economic development for the nantucket area

    $50,000
  25. Episcopal High SchoolAlexandria, VA

    Education

    $50,000
  26. Harlem Children's ZoneNew York, NY

    Social services

    $50,000
  27. Hospital for Special SurgeryNew York, NY

    Biomedical research

    $50,000
  28. Massachusetts General HospitalBoston, MA

    Medical center

    $50,000
  29. Memorial Sloan Kettering Cancer CenterNew York, NY

    Cancer research

    $50,000
  30. The Nature ConservancyArlington, VA

    Land and water conservation

    $50,000
  31. North Shore Land AllianceOyster Bay, NY

    Environmental preservation

    $50,000
  32. United Recovery FundPortland, ME

    Provide support for people affected by substance use disorder and incarceration

    $50,000
  33. World Wildlife Fund IncWashington, DC

    Natural resource and wildlife conservation and protection

    $50,000
  34. Virginia Episcopal SchoolLynchburg, VA

    Education

    $30,000
  35. The American Repertory TheaterCambridge, MA

    Arts

    $25,000
  36. B Robert Williamson Jr FoundationNew York, NY

    Education

    $25,000
  37. The Banner Lake ClubHobe Sound, FL

    Community outreach

    $25,000
  38. Bowdoin CollegeBrunswick, ME

    Education

    $25,000
  39. Glen Cove Boys and Girls Club at Lincoln HouseGlen Cove, NY

    Community outreach

    $25,000
  40. Grenville Baker Boys & Girls ClubLocust Valley, NY

    Community outreach

    $25,000
  41. Nantucket Boys & Girls ClubNantucket, MA

    Community outreach

    $25,000
  42. Cia Officers Memorial FoundationHerndon, VA

    Assist survivors and dependents of cia officers

    $25,000
  43. Cleveland Clinic Martin HealthStuart, FL

    Patient healthcare, research, and education of healthcare providers

    $25,000
  44. Colby CollegeWaterville, ME

    Education

    $25,000
  45. College TrackOakland, CA

    Education

    $25,000
  46. Council for Economic EducationNew York, NY

    Support economic literacy and financial education

    $25,000
  47. Episcopal CharitiesNew York, NY

    Community outreach

    $25,000
  48. Fdny FoundationBrooklyn, NY

    First responder support

    $25,000
  49. Jupiter Medical Center FoundationJupiter, FL

    Medical center

    $25,000
  50. Nantucket Historical AssociationNantucket, MA

    Arts

    $25,000
  51. NYU Langone Health (faces)New York, NY

    Epilepsy research, patient care, and supplementary programs

    $25,000
  52. Partnership to End AddictionNew York, NY

    Providing personalized support and resources for families impacted by addiction

    $25,000
  53. Resolv Proving GroundSanford, NC

    Provide education, training, and facilities to veterans

    $25,000
  54. ShatterproofNorwalk, CT

    Provide support and treatment for people impacted by addiction and substance abuse

    $25,000
  55. Success AcademyNew York, NY

    Education

    $25,000
  56. Teach for AmericaNew York, NY

    Education

    $25,000
  57. The Cassandra Award FoundationNew York, NY

    Create awareness for credible warnings

    $25,000
  58. Navy Seal FoundationVirginia Beach, VA

    Support for naval special warfare's warriors, veterans, and families

    $23,600
  59. Academy Center of the ArtsLynchburg, VA

    Performing arts school

    $10,000
  60. AMC Schwarzman Animal Medical CenterNew York, NY

    Veterinary medicine, research, and education

    $10,000
  61. Bone Marrow & Cancer FoundationNew York, NY

    Provide necessary resources to cancer patients and bone marrow/stem cell transplant patients and their families

    $10,000
  62. Cold Spring Harbor LaboratoryCold Spring Harbor, NY

    Biomedical research

    $10,000
  63. Common Sense MediaSan Francisco, CA

    Provide unbiased information, trusted advice, and innovative tools to help harness the power of media and technology

    $10,000
  64. Green Vale SchoolGlen Head, NY

    Education

    $10,000
  65. Hobe Sound Community Chest IncHobe Sound, FL

    Social services

    $10,000
  66. James B Lee Jr Scholarship Fund in Honor of Joseph A McBrideSouthampton, NY

    Education

    $10,000
  67. Jefferson Scholars FoundationCharlottesville, VA

    Education

    $10,000
  68. Jupiter Island Medical ClinicHobe Sound, FL

    Medical center

    $10,000
  69. Lynchburg Beacon of HopeLynchburg, VA

    Social services

    $10,000
  70. Lynchburg City Schools Education FoundationLynchburg, VA

    Education

    $10,000
  71. The Museum of Modern ArtNew York, NY

    Arts

    $10,000
  72. Nantucket Cottage Hospital FoundationNantucket, MA

    Medical center

    $10,000
  73. Nantucket Preservation TrustNantucket, MA

    Environmental preservation

    $10,000
  74. Old Westbury GardensOld Westbury, NY

    Environmental preservation

    $10,000
  75. One Horse Hollow Scholarship and Relief Fund IncLocust Valley, NY

    Disaster relief and financial support for education

    $10,000
  76. Penny's Flight FoundationGlen Cove, NY

    NF medical research

    $10,000
  77. Planned Parenthood of Greater New YorkNew York, NY

    Social services

    $10,000
  78. Preservation Long IslandCold SPG HBR, NY

    Environmental preservation

    $10,000
  79. Sustainable Nantucket (DBA Nantucket Sustainable Development Corporation)Nantucket, MA

    Agriculture, food, nutrition

    $10,000
  80. Teton Youth & Family ServicesJackson, WY

    Social services

    $10,000
  81. The University of North Carolina at Chapel HillChapel Hill, NC

    Education

    $10,000
  82. The University of North Carolina at Chapel HillChapel Hill, NC

    Education

    $10,000
  83. Trust for Public LandLos Angeles, CA

    Environmental preservation

    $10,000
  84. Virginia Athletics FoundationCharlottesvle, VA

    Education

    $10,000
  85. The University of VirginiaCharlottesvle, VA

    Education

    $10,000
  86. West Palm Golf Community Trust IncWest Palm BCH, FL

    Develop and operate a world class public recreational golf facility in the west palm beach community

    $10,000
  87. Baptist Health FoundationCoral Gables, FL

    Cancer research

    $7,100
  88. 1000 Friends of FloridaTallahassee, FL

    Environmental preservation

    $5,000
  89. The Banner Lake ClubHobe Sound, FL

    Community outreach

    $5,000
  90. Central Park ConservancyNew York, NY

    Environmental preservation

    $5,000
  91. Charlotte BalletCharlotte, NC

    Arts

    $5,000
  92. Cystic Fibrosis FoundationRaleigh, NC

    Cystic fibrosis research and treatment

    $5,000
  93. Evans Scholars FoundationGlenview, IL

    Education

    $5,000
  94. Housing NantucketNantucket, MA

    Create affordable housing solutions

    $5,000
  95. Jackson Hole Land TrustJackson, WY

    Land resources conservation

    $5,000
  96. Jupiter Island Garden ClubHobe Sound, FL

    Environmental preservation

    $5,000
  97. Mdi Search and RescueBar Harbor, ME

    Search and rescue operations

    $5,000
  98. Nantucket Conservation FoundationNantucket, MA

    Environmental preservation

    $5,000
  99. Nantucket Land & Water CouncilNantucket, MA

    Environmental preservation

    $5,000
  100. Nantucket Yacht Club FoundationNantucket, MA

    Social services

    $5,000
  101. Piping Rock Scholarship FundLocust Valley, NY

    Education

    $5,000
  102. Planned Parenthood of South East and North FloridaWest Palm Beach, FL

    Social services

    $5,000
  103. Society for Leukocyte BiologySilver Spring, MD

    Biomedical research

    $5,000
  104. Swim Across AmericaCharlotte, NC

    Cancer research

    $5,000
  105. Harlem LacrosseNew York, NY

    Academic intervention, leadership training, and lacrosse instruction

    $1,000
  106. Long Island Caddie Scholarship FundElmsford, NY

    Education

    $1,000
  107. North Country Garden Club of Long IslandLocust Valley, NY

    Environmental preservation

    $1,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Philanthropy and grantmaking9 grants $5,680,00051% of the total
  2. Animals2 grants $2,150,00019% of the total
  3. Youth development7 grants $1,947,00017% of the total
  4. Environment11 grants $425,0004% of the total
  5. Education12 grants $251,0002% of the total
  6. Health4 grants $170,0002% of the total
  7. 13 other causes23 grants $593,6005% of the total

By State

Grants to organizations with a US address, latest year.

  1. New York44 grants $10,840,000
  2. Florida14 grants $2,482,100
  3. Texas1 grant $1,000,000
  4. Massachusetts13 grants $275,000
  5. Virginia11 grants $238,600
  6. Maryland2 grants $155,000
  7. Maine5 grants $155,000
  8. District of Columbia3 grants $150,000
  9. North Carolina6 grants $60,000
  10. California3 grants $45,000

Officers, directors and trustees

4 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Lee S Ainslie IIIPRESIDENT & CO-CHAIR Hours 0.1Pay $0
  • Elizabeth M AinslieCO-CHAIR Hours 0.1Pay $0
  • Alex RafalSECRETARY Hours 0.1Pay $0
  • W Keith HenningtonTREASURER Hours 0.1Pay $0

The return

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