The Massachusetts State Capitol

Form 990-PFTax year 2024EIN 04-2944189

Grey Rocks Foundation Inc

A private foundation in Boston, MA. Its return for tax year 2024 lists 97 grants and $2.9 million paid in grants.

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

    $2,918,776

    Grants listed
    97
    Assets, end of year
    $65,574,100
  • Tax year 2023

    $1,676,967

    Grants listed
    92
    Assets, end of year
    $58,664,273
  • Tax year 2022

    $1,467,959

    Grants listed
    85
    Assets, end of year
    $48,013,091
  • Tax year 2020

    $2,007,643

    Grants listed
    66
    Assets, end of year
    $47,923,857
  • Tax year 2019

    $2,770,450

    Grants listed
    98
    Assets, end of year
    $39,314,786
  • Tax year 2017

    $2,089,721

    Grants listed
    46
    Assets, end of year
    $25,339,502

Grants paid in 2024

97 grants, largest first

As listed on the return.

  1. Holderness SchoolHolderness, NH

    Unrestricted donation

    $510,000
  2. United States Rowing AssociationWest Windsor, NJ

    Unrestricted donation

    $251,529
  3. Dartmouth CollegeHanover, NH

    Unrestricted donation

    $201,675
  4. White Mountain SchoolConcord, NH

    Unrestricted donation

    $175,000
  5. Phillips Exeter AcademyExeter, NH

    Unrestricted donation

    $172,500
  6. YMCA Camp BelknapMirror Lake, NH

    Unrestricted donation

    $130,000
  7. Clan MacLean AssociationRaleigh, NC

    Unrestricted donation

    $127,298
  8. US Ski and Snowboard FoundationPark City, UT

    Unrestricted donation

    $120,600
  9. Jackson NH Historical SocietyJackson, NH

    Unrestricted donation

    $110,000
  10. Stonington Community Rowing CenterStonington, CT

    Unrestricted donation

    $100,000
  11. Newfound Lake Region AssociationHebron, NH

    Unrestricted donation

    $62,932
  12. St Paul's SchoolConcord, NH

    Unrestricted donation

    $60,000
  13. Tuck School at DartmouthHanover, NH

    Unrestricted donation

    $55,000
  14. Charles River Watershed AssnWeston, MA

    Unrestricted donation

    $50,000
  15. Newton Wellesley HospitalNewton, MA

    Unrestricted donation

    $47,500
  16. Mill Reef FundDetroit, MI

    Unrestricted donation

    $30,000
  17. Museum of Fine Arts BostonBoston, MA

    Unrestricted donation

    $30,000
  18. Animal Rescue League of BostonDedham, MA

    Unrestricted donation

    $25,000
  19. Harvard UniversityCambridge, MA

    Unrestricted donation

    $25,000
  20. Kensington Social LibraryKensington, NH

    Unrestricted donation

    $25,000
  21. Sequana IncPasadena, CA

    Unrestricted donation

    $25,000
  22. Circle ProgramPlymouth, NH

    Unrestricted donation

    $22,000
  23. Turtle Ridge FoundationFranconia, NH

    Unrestricted donation

    $21,000
  24. Child VoiceNewmarket, NH

    Unrestricted donation

    $20,000
  25. Montana Land RelianceHelena, MT

    Unrestricted donation

    $20,000
  26. MspcaJamaica Plain, MA

    Unrestricted donation

    $20,000
  27. NH Humane SocietyLaconia, NH

    Unrestricted donation

    $20,000
  28. UCSF FoundationSan Francisco, CA

    Unrestricted donation

    $20,000
  29. Museum of the White MountainsPlymouth, NH

    Unrestricted donation

    $15,225
  30. Blue Ocean Society for Marine ConservationPortsmouth, NH

    Unrestricted donation

    $15,000
  31. Child Advocacy Center of Rockingham CountyPortsmouth, NH

    Unrestricted donation

    $15,000
  32. Dartmouth Hitchcock ClinicLebanon, NH

    Unrestricted donation

    $15,000
  33. Donors ChoosePhiladelphia, PA

    Unrestricted donation

    $15,000
  34. NH Womens FoundationConcord, NH

    Unrestricted donation

    $15,000
  35. RewildAustin, TX

    Unrestricted donation

    $15,000
  36. Southeast Land Trust of New HampshireEpping, NH

    Unrestricted donation

    $15,000
  37. Wheaton CollegeNorton, MA

    Unrestricted donation

    $15,000
  38. NH ScotConcord, NH

    Unrestricted donation

    $14,000
  39. Share WinterProvidence, RI

    Unrestricted donation

    $13,000
  40. Boston Children's Hospital TrustBoston, MA

    Unrestricted donation

    $12,500
  41. Mayhew ProgramBristol, NH

    Unrestricted donation

    $12,000
  42. Surfrider FoundationSan Clemente, CA

    Unrestricted donation

    $12,000
  43. NH Charitable FoundationConcord, NH

    Unrestricted donation

    $10,050
  44. Camp LochearnPost Mills, VT

    Unrestricted donation

    $10,000
  45. Camp TecumsehMoultonboro, NH

    Unrestricted donation

    $10,000
  46. MIT Glass LabCambridge, MA

    Unrestricted donation

    $10,000
  47. NH Historical SocietyConcord, MA

    Unrestricted donation

    $10,000
  48. NH Public RadioManchester, NH

    Unrestricted donation

    $10,000
  49. Pilchuck Glass SchoolSeattle, WA

    Unrestricted donation

    $10,000
  50. Plymouth State UniversityPlymouth, NH

    Unrestricted donation

    $10,000
  51. Stanford MedicineStanford, CA

    Unrestricted donation

    $10,000
  52. UC Berkeley FoundationBerkeley, CA

    Unrestricted donation

    $10,000
  53. Fenn SchoolConcord, MA

    Unrestricted donation

    $7,500
  54. Doctors Outreach IncSan Francisco, CA

    Unrestricted donation

    $7,000
  55. Lake Region Conservation TrustCenter Harbor, NH

    Unrestricted donation

    $7,000
  56. Teach for AmericaNew York, NY

    Unrestricted donation

    $6,500
  57. Inner City Scholarship FundBoston, MA

    Unrestricted donation

    $6,000
  58. Slim Baker FoundationBristol, NH

    Unrestricted donation

    $6,000
  59. Steppingstone FoundationBoston, MA

    Unrestricted donation

    $6,000
  60. Arts Industry Alliance TeamExeter, NH

    Unrestricted donation

    $5,000
  61. Kimball Union AcademyMeriden, NH

    Unrestricted donation

    $5,000
  62. Museum of GlassTacoma, WA

    Unrestricted donation

    $5,000
  63. University of MichiganAnn Arbor, MI

    Unrestricted donation

    $5,000
  64. Winter 4 KidsVernon, NJ

    Unrestricted donation

    $5,000
  65. NH Audubon SocietyConcord, NH

    Unrestricted donation

    $4,000
  66. Walnut Hill School for the ArtsNatick, MA

    Unrestricted donation

    $3,817
  67. Currier GalleryManchester, NH

    Unrestricted donation

    $3,500
  68. Society for Protection of NH ForestsConcord, NH

    Unrestricted donation

    $3,500
  69. Friends of Harvard RowingBoston, MA

    Unrestricted donation

    $3,000
  70. Loon Preservation CommitteeMoultonboro, NH

    Unrestricted donation

    $3,000
  71. Lumind Research Down Syndrome FoundationBurlington, MA

    Unrestricted donation

    $3,000
  72. Stray Pets in NeedNatick, MA

    Unrestricted donation

    $3,000
  73. Alice Furguson FoundationAccokeek, MD

    Unrestricted donation

    $2,500
  74. Appalachian Mountain ClubCharlestown, MA

    Unrestricted donation

    $2,500
  75. City YearBoston, MA

    Unrestricted donation

    $2,500
  76. Fessenden SchoolWest Newton, MA

    Unrestricted donation

    $2,500
  77. Gonzaga UniversitySpokane, WA

    Unrestricted donation

    $2,500
  78. Middlesex SchoolConcord, MA

    Unrestricted donation

    $2,500
  79. Squashbusters IncRoxbury Crossing, MA

    Unrestricted donation

    $2,500
  80. Valencia College FoundationOrlando, FL

    Unrestricted donation

    $2,500
  81. Vanderbilt UniversityNashville, TN

    Unrestricted donation

    $2,500
  82. Community ServingsJamaica Plain, MA

    Unrestricted donation

    $2,000
  83. Cradles to CrayonsNewton, MA

    Unrestricted donation

    $2,000
  84. Human Relations ServiceWellesley, MA

    Unrestricted donation

    $2,000
  85. Mothers Milk Bank NortheastNewton U F, MA

    Unrestricted donation

    $2,000
  86. Mount Washington Valley Adaptive SportsNorth Conway, NH

    Unrestricted donation

    $2,000
  87. Museum of ScienceBoston, MA

    Unrestricted donation

    $2,000
  88. Trout UnlimitedArlington, VA

    Unrestricted donation

    $2,000
  89. Community RowingBrighton, MA

    Unrestricted donation

    $1,500
  90. New England Wildlife CenterS Weymouth, MA

    Unrestricted donation

    $1,500
  91. Weston Historical SocietyWeston, CT

    Unrestricted donation

    $1,100
  92. Hebron Historical SocietyHebron, NH

    Unrestricted donation

    $1,000
  93. New England Ski MuseumFranconia, NH

    Unrestricted donation

    $1,000
  94. Polo Historical SocietyPolo, IL

    Unrestricted donation

    $1,000
  95. Tappley ThompsonBristol, NH

    Unrestricted donation

    $1,000
  96. Natick Community Organic Farm IncNatick, MA

    Unrestricted donation

    $500
  97. Town of HebronHebron, NH

    Unrestricted donation

    $50

Where the money goes

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

  1. Education13 grants $500,49254% of the total
  2. Environment5 grants $100,43211% of the total
  3. Sports and recreation1 grant $100,00011% of the total
  4. Arts and culture7 grants $74,0008% of the total
  5. Animals5 grants $58,5006% of the total
  6. Philanthropy and grantmaking2 grants $40,0004% of the total
  7. 5 other causes9 grants $54,0006% of the total

By State

Grants to organizations with a US address, latest year.

  1. New Hampshire39 grants $1,783,432
  2. Massachusetts31 grants $309,817
  3. New Jersey2 grants $256,529
  4. North Carolina1 grant $127,298
  5. Utah1 grant $120,600
  6. Connecticut2 grants $101,100
  7. California6 grants $84,000
  8. Michigan2 grants $35,000
  9. Montana1 grant $20,000
  10. Washington3 grants $17,500

Officers, directors and trustees

3 people as filed

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

  • P Andrews McLanePRESIDENT Hours 0Pay $0
  • Linda McLaneTREASURER Hours 0Pay $0
  • David H HopfenbergCLERK Hours 0Pay $0

The return

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