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Form 990-PFTax year 2025EIN 04-6027800

Tamarack Foundation

A private foundation in Boston, MA. Its return for tax year 2025 lists 57 grants and $143,700 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

    $143,700

    Grants listed
    57
    Assets, end of year
    $1,236,532

  • Tax year 2024

    $147,070

    Grants listed
    61
    Assets, end of year
    $1,200,184

  • Tax year 2023

    $92,450

    Grants listed
    41
    Assets, end of year
    $802,348

  • Tax year 2022

    $89,850

    Grants listed
    36
    Assets, end of year
    $792,976

  • Tax year 2021

    $101,900

    Grants listed
    48
    Assets, end of year
    $790,782

  • Tax year 2020

    $103,000

    Grants listed
    45
    Assets, end of year
    $785,642

  • Tax year 2019

    $103,528

    Grants listed
    43
    Assets, end of year
    $782,326

  • Tax year 2018

    $98,800

    Grants listed
    49
    Assets, end of year
    $787,314

Grants paid in 2025

57 grants, largest first

As listed on the return.

  1. St John the Baptist ParishPeabody, MA

    Religious

    $20,000
  2. Chabad LubavitchSwampscott, MA

    Religious

    $18,000
  3. Boston Symphony OrchestraBoston, MA

    Social

    $17,000
  4. Fne InternationalWeymouth, MA

    Housing:education

    $10,000
  5. Girl's Inc LynnLynn, MA

    Educational

    $6,500
  6. Swampscott TidesSwampscott, MA

    Social

    $5,000
  7. WGBH Channel 2Boston, MA

    Educational

    $5,000
  8. McLean HospitalBelmont, MA

    Medical

    $4,000
  9. Waldorf School at Moraine FarmBeverly, MA

    Educational

    $3,000
  10. Unitarian Universalist Church of Greater LynnSwampscott, MA

    Religious

    $2,500
  11. Boston Chong de Cultural Ed TempleCambridge, MA

    Social

    $2,000
  12. Circle of ConcernValley Park, MO

    Health

    $2,000
  13. Danvers PantryDanvers, MA

    Social

    $2,000
  14. Lifebridge NorthshoreSalem, MA

    Social

    $2,000
  15. Massachusetts General HospitalBoston, MA

    Medical

    $2,000
  16. Operation Food SearchSaint Louis, MO

    Health

    $2,000
  17. Saint Louis ZooSaint Louis, MO

    Social

    $2,000
  18. Simmons CollegeBoston, MA

    Educational

    $2,000
  19. TanglewoodLenox, MA

    Social

    $2,000
  20. The Mid Atlantic PathworkCharlottesvle, VA

    Spiritual

    $2,000
  21. Waldorf School at Moraine FarmBeverly, MA

    Educational

    $2,000
  22. Humane Society of MissouriSaint Louis, MO

    Health

    $1,500
  23. Missouri Botanical GardensSt Louis, MO

    Social

    $1,500
  24. Boy's Town of JerusalemNew York, NY

    Educational

    $1,000
  25. Brighter World Advocacy CenterSteamboat Springs, CO

    Recreational

    $1,000
  26. CiderSouth Hero, VT

    Environmental

    $1,000
  27. Camp Fire ColumbiaPortland, OR

    Social

    $1,000
  28. Camp Fire ColumbiaPortland, OR

    Social

    $1,000
  29. Endicott ParkDanvers, MA

    Recreational

    $1,000
  30. Jackson LaboratoryBar Harbor, ME

    Medical

    $1,000
  31. Lift Up Routt CountySteamboat Springs, CO

    Social

    $1,000
  32. Mazama Mountaineering CenterPortland, OR

    Environmental

    $1,000
  33. MGH Health InstituteBoone, MA

    Health

    $1,000
  34. Mount Auburn CemeteryCambridge, MA

    Social

    $1,000
  35. New England Historic GenealogyBoston, MA

    Educational

    $1,000
  36. Newhall Fields CommunityPeabody, MA

    Social

    $1,000
  37. North Shore Medical CenterSalem, MA

    Medical

    $1,000
  38. Old Town Hot SpringsSteamboat Springs, CO

    Social

    $1,000
  39. Pingree SchoolS Hamilton, MA

    Educational

    $1,000
  40. Save the Harborsave the BayBoston, MA

    Environmental

    $1,000
  41. Steamboat ReadingSteamboat SPR, CO

    Educational

    $1,000
  42. Swampscott ConservancySwampscott, MA

    Environmental

    $1,000
  43. Uncornered IncDorchester, MA

    Educational

    $1,000
  44. UnicepNew York, NY

    Social

    $1,000
  45. WGBH RadioBoston, MA

    Educational

    $1,000
  46. Arnold ArboretumBoston, MA

    Recreational

    $500
  47. Berkshire United WayPittsfield, MA

    Social

    $500
  48. Clifton ImprovementMarblehead, MA

    Environmental

    $500
  49. Frontier Nursing ServicesWendover, KY

    Medical

    $500
  50. Life Scene Family & Childrens ServicesLynn, MA

    Medical

    $500
  51. McLean HospitalBelmont, MA

    Medical

    $500
  52. Quebec Labrador FoundationIpswich, MA

    Educational

    $500
  53. Swampscott ConservancySwampscott, MA

    Environmental

    $500
  54. Tower SchoolMarblehead, MA

    Educational

    $500
  55. Uncornered IncDorchester, MA

    Educational

    $500
  56. University of VermontBurlington, VT

    Educational

    $500
  57. Brookwood SchoolManchester, MA

    Educational

    $200

Where the money goes

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

  1. Arts and culture2 grants $22,00041% of the total
  2. International aid1 grant $10,00019% of the total
  3. Education5 grants $7,20014% of the total
  4. Human services4 grants $5,50010% of the total
  5. Environment3 grants $2,5005% of the total
  6. Food and agriculture1 grant $2,0004% of the total
  7. 4 other causes4 grants $4,0008% of the total

By State

Grants to organizations with a US address, latest year.

  1. Massachusetts38 grants $120,700
  2. Missouri5 grants $9,000
  3. Colorado4 grants $4,000
  4. Oregon3 grants $3,000
  5. New York2 grants $2,000
  6. Virginia1 grant $2,000
  7. Vermont2 grants $1,500
  8. Maine1 grant $1,000
  9. Kentucky1 grant $500

Officers, directors and trustees

2 people as filed

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

  • William H DarlingTRUSTEE Hours 1Pay $0
  • Henry P PhippenTRUSTEE Hours 2Pay $0

The return

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