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Form 990-PFTax year 2025EIN 36-3715158

Half Moon Foundation

A private foundation in New Canaan, CT. Its return for tax year 2025 lists 41 grants and $315,500 paid in grants.

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

Tax year 2025 (period ending Dec 31, 2025), 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

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

  • Tax year 2025

    $315,500

    Grants listed
    41
    Assets, end of year
    $1,124,637

  • Tax year 2024

    $338,920

    Grants listed
    42
    Assets, end of year
    $960,655

  • Tax year 2023

    $269,000

    Grants listed
    40
    Assets, end of year
    $1,024,586

  • Tax year 2022

    $242,750

    Grants listed
    40
    Assets, end of year
    $946,865

  • Tax year 2021

    $315,600

    Grants listed
    41
    Assets, end of year
    $883,886

  • Tax year 2020

    $393,750

    Grants listed
    45
    Assets, end of year
    $744,691

  • Tax year 2019

    $362,600

    Grants listed
    38
    Assets, end of year
    $836,576

  • Tax year 2018

    $263,550

    Grants listed
    40
    Assets, end of year
    $960,458

Grants paid in 2025

41 grants, largest first

As listed on the return.

  1. New Canaan LibraryNew Canaan, CT

    Education

    $102,000
  2. Stepping Stones MuseumNorwalk, CT

    Arts/Humanities

    $36,000
  3. McLean HospitalBelmont, MA

    Medical

    $20,000
  4. Stamford Hospital FoundationStamford, CT

    Medical

    $20,000
  5. AmericaresSTAmFORD, CT

    Social welfare

    $15,000
  6. Williams CollegeWilliamstown, MA

    Education

    $15,000
  7. Nature ConservancyChicago, IL

    Charitable

    $10,000
  8. Congregational Church of New CanaanNew Canaan, CT

    Religious

    $10,000
  9. SquashBridgeBridgeport, CT

    Charitable

    $10,000
  10. New Canaan Mounted Troop IncNew Canaan, CT

    Education

    $7,000
  11. New Canaan Country SchoolNew Canaan, CT

    Education

    $6,000
  12. Friends of AcadiaBar Harbor, ME

    Charitable

    $6,000
  13. Brain Chemistry Labsjackson, WY

    Medical

    $5,000
  14. Lcyc CsefIslesford, ME

    Charitable

    $5,000
  15. National Louis UniversityWheeling, IL

    Education

    $5,000
  16. The First TeeChicago, IL

    Charitable

    $5,000
  17. Dana-Farber Caner InstituteBoston, MA

    Charitable

    $5,000
  18. National Forest FoundationMissoula, MT

    Charitable

    $5,000
  19. Millbrook SchoolMillbrook, NY

    Education

    $3,000
  20. New Canaan Nature CenterNew Canaan, CT

    Education

    $3,000
  21. New Canaan Land TrustNew Canaan, CT

    Charitable

    $3,000
  22. Foxcroft SchoolMiddleburg, VA

    Education

    $2,000
  23. Food Rescue USStamford, CT

    Charitable

    $2,000
  24. Horizons Student Enrichment ProgramNew Canaan, CT

    Education

    $1,500
  25. Atlantic Salmon FederationCalais, ME

    Arts/humanities

    $1,000
  26. Bob Woodruff FoundationNew York, NY

    Charitable

    $1,000
  27. Mt Desert Island HospitalBar Harbor, ME

    Medical

    $1,000
  28. Waveny Care CenterNew Canaan, CT

    Medical

    $1,000
  29. Waveny Park ConservancyNew Canaan, CT

    Charitable

    $1,000
  30. Islesford Volunteer Fire DepartmentIslesford, ME

    Charitable

    $1,000
  31. The Duncan Louis Stewart FoundationLake Geneva, WI

    Charitable

    $1,000
  32. Cable Natural History MuseumCable, WI

    Charitable

    $1,000
  33. The Ecology SchoolSaco, ME

    Education

    $1,000
  34. New Canaan Community FoundationNew Canaan, CT

    Charitable

    $1,000
  35. Voices Center for ResilienceNew Canaan, CT

    Charitable

    $1,000
  36. University of Chicago Business SchoolChicago, IL

    Education

    $500
  37. North Shore Country Day SchoolWinnetka, IL

    Education

    $500
  38. Milton AcademyMilton, MA

    Education

    $500
  39. Islesford NeighborhoodIslesford, ME

    Charitable

    $500
  40. Fairfield County's Community FoundationNorwalk, CT

    Charitable

    $500
  41. Islesford BoatworksIslesford, ME

    Charitable

    $500

Where the money goes

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

  1. Education8 grants $143,50084% of the total
  2. Sports and recreation2 grants $12,0007% of the total
  3. Environment3 grants $8,0005% of the total
  4. Philanthropy and grantmaking3 grants $2,5001% of the total
  5. Food and agriculture1 grant $2,0001% of the total
  6. Animals1 grant $1,000<1% of the total
  7. 3 other causes3 grants $2,5001% of the total

By State

Grants to organizations with a US address, latest year.

  1. Connecticut16 grants $213,000
  2. Massachusetts4 grants $40,500
  3. Illinois5 grants $21,000
  4. Maine8 grants $16,000
  5. California1 grant $7,000
  6. Montana1 grant $5,000
  7. Wyoming1 grant $5,000
  8. New York2 grants $4,000
  9. Virginia1 grant $2,000
  10. Wisconsin2 grants $2,000

Officers, directors and trustees

3 people as filed

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

  • Tracy L MerrillPRESIDENT/DIR. Hours 0.1Pay $0
  • Joseph W MerrillVICE-PRES/DIR. Hours 0.1Pay $0
  • Oliver MerrillSECRETARY/TREAS/DIR. Hours 0.1Pay $0

The return

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