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Form 990-PFTax year 2025EIN 68-0575207

The Simsmaes Foundation Inc

A private foundation in Boston, MA. Its return for tax year 2025 lists 35 grants and $1.7 million 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

    $1,667,960

    Grants listed
    35
    Assets, end of year
    $34,115,613

  • Tax year 2024

    $1,425,181

    Grants listed
    40
    Assets, end of year
    $33,680,436

  • Tax year 2023

    $1,414,500

    Grants listed
    41
    Assets, end of year
    $33,094,834

  • Tax year 2022

    $1,552,396

    Grants listed
    42
    Assets, end of year
    $23,660,960

  • Tax year 2021

    $1,191,492

    Grants listed
    44
    Assets, end of year
    $34,692,063

  • Tax year 2020

    $908,420

    Grants listed
    45
    Assets, end of year
    $28,631,450

  • Tax year 2019

    $883,936

    Grants listed
    46
    Assets, end of year
    $21,447,770

  • Tax year 2018

    $722,596

    Grants listed
    45
    Assets, end of year
    $16,689,754

Grants paid in 2025

35 grants, largest first

As listed on the return.

  1. Massachusetts Institute of TechnologyCambridge, MA

    General purposes

    $1,049,960
  2. Donor Advised Charitable Giving Inc (formerly Schwab Charitable Fund)San Francisco, CA

    General purposes

    $555,000
  3. Trustees of Tufts College (DBA Tufts University)Somerville, MA

    General purposes

    $10,000
  4. 350 OrgCambridge, MA

    General purposes

    $3,000
  5. Dana Farber Cancer InstituteBoston, MA

    General purposes

    $3,000
  6. American Red CrossWashington, DC

    General purposes

    $2,000
  7. College of the AtlanticBar Harbor, ME

    General purposes

    $2,000
  8. Medecins Sans Frontieres USA Inc (DBA Doctors Without Borders USA)New York, NY

    General purposes

    $2,000
  9. Institute of Contemporary ArtbostonBoston, MA

    General purposes

    $2,000
  10. La ColaborativaChelsea, MA

    General purposes

    $2,000
  11. Maine Coast Heritage TrustTopsham, ME

    General purposes

    $2,000
  12. National Resources Defense Council IncNew York, NY

    General purposes

    $2,000
  13. Pathfinder InternationalWashington, DC

    General purposes

    $2,000
  14. Planned Parenthood League of MassachusettsBoston, MA

    General purposes

    $2,000
  15. Rosies PlaceBoston, MA

    General purposes

    $2,000
  16. Sail Power and Steam MuseumRockland, ME

    General purposes

    $2,000
  17. Sierra Club FoundationOakland, CA

    General purposes

    $2,000
  18. Station MaineRockland, ME

    General purposes

    $2,000
  19. The Nature ConservancyArlington, VA

    General purposes

    $2,000
  20. Trustees of Boston University (wbur)Boston, MA

    General purposes

    $2,000
  21. Trustees of ReservationsBeverly, MA

    General purposes

    $2,000
  22. World Resources InstituteWashington, DC

    General purposes

    $2,000
  23. American Civil Liberties Union Foundation IncNew York, NY

    General purposes

    $1,000
  24. Animal Rescue LeagueBoston, MA

    General purposes

    $1,000
  25. Berklee College of MusicBoston, MA

    General purposes

    $1,000
  26. Community Art CenterCambridge, MA

    General purposes

    $1,000
  27. Food for Free Committee IncSomervillle, MA

    General purposes

    $1,000
  28. Health Story CollaborativeCambridge, MA

    General purposes

    $1,000
  29. Maine Island Trail AssociationPortland, ME

    General purposes

    $1,000
  30. Massachusetts Audubon Society IncLincoln, MA

    General purposes

    $1,000
  31. Partners in HealthBoston, MA

    General purposes

    $1,000
  32. Pine Street InnBoston, MA

    General purposes

    $1,000
  33. Shady Hill SchoolCambridge, MA

    General purposes

    $1,000
  34. Somervillecambridge Elder Services IncSomerville, MA

    General purposes

    $1,000
  35. Union of Concerned ScientistsCambridge, MA

    General purposes

    $1,000

Where the money goes

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

  1. Education4 grants $1,053,96097% of the total
  2. Human services5 grants $7,000<1% of the total
  3. Environment4 grants $6,000<1% of the total
  4. International aid3 grants $5,000<1% of the total
  5. Health2 grants $3,000<1% of the total
  6. Medical research1 grant $3,000<1% of the total
  7. 3 other causes3 grants $4,000<1% of the total

By State

Grants to organizations with a US address, latest year.

  1. Massachusetts23 grants $1,092,960
  2. California2 grants $557,000
  3. Maine5 grants $9,000
  4. New York3 grants $5,000
  5. District of Columbia2 grants $4,000

Officers, directors and trustees

3 people as filed

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

  • Karl SimsPRESIDENT/CLERK/DIRECTOR Hours 0.5Pay $0
  • Patricia MaesTREASURER/DIRECTOR Hours 0.5Pay $0
  • M Molly KimASSISTANT CLERK Hours 0.5Pay $0

The return

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