The Massachusetts State Capitol

Form 990-PFTax year 2025EIN 04-6112346

Siff Charitable Foundation

A private foundation in Worcester, MA. Its return for tax year 2025 lists 33 grants and $102,390 paid in grants.

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

    $102,390

    Grants listed
    33
    Assets, end of year
    $82,885
  • Tax year 2024

    $96,342

    Grants listed
    36
    Assets, end of year
    $54,007
  • Tax year 2023

    $68,430

    Grants listed
    35
    Assets, end of year
    $28,675
  • Tax year 2022

    $83,333

    Grants listed
    38
    Assets, end of year
    $40,288
  • Tax year 2021

    $74,142

    Grants listed
    33
    Assets, end of year
    $71,977
  • Tax year 2020

    $73,669

    Grants listed
    42
    Assets, end of year
    $18,363
  • Tax year 2019

    $86,328

    Grants listed
    43
    Assets, end of year
    $100,306
  • Tax year 2018

    $89,057

    Grants listed
    50
    Assets, end of year
    $31,173

Grants paid in 2025

33 grants, largest first

As listed on the return.

  1. UMASS Chan Medical School FoundationWorcester, MA

    General

    $26,600
  2. New York UniversityNew York, NY

    General

    $15,000
  3. Woodstock Film FestivalWoodstock, NY

    General

    $15,000
  4. Next for AutismNew York, NY

    General

    $12,000
  5. Alpine Learning CenterParamus, NJ

    General

    $5,000
  6. UMASS Memorial FoundationWorcester, MA

    General

    $5,000
  7. Temple Emanuel SinaiWorcester, MA

    General

    $3,400
  8. Autism Project of Palm Beach CountyJupiter, FL

    General

    $2,500
  9. Tibetan Home of HopeVly Cottage, NY

    General

    $2,500
  10. Worcester Art MuseumWorcester, MA

    General

    $2,500
  11. En Guarde ArtsBrooklyn, NY

    General

    $2,200
  12. Watch Resources IncSonora, CA

    General

    $2,000
  13. Jewish Health Care CenterWorcester, MA

    General

    $1,600
  14. Breast Cancer Research FoundationNew York, NY

    General

    $1,500
  15. EcotariumWorcester, MA

    General

    $1,000
  16. Florida Atlantic UniversityJupiter, FL

    General

    $1,000
  17. NAMI Palm Beach CountyWest Palm BCH, FL

    General

    $500
  18. National Jewish HealthDenver, CO

    General

    $500
  19. Shuva CenterNew York, NY

    General

    $500
  20. Worcester District Medical SocietyWorcester, MA

    General

    $500
  21. YWCA of Central MaWorcester, MA

    General

    $200
  22. William James CollegeNewton, MA

    General

    $180
  23. Temple Emanuel Men's ClubNew York, NY

    General

    $180
  24. Nourish NantucketNantucket, MA

    General

    $180
  25. Alzheimer's AssociationWorcester, MA

    General

    $100
  26. Dana Farber Cancer InstituteBoston, MA

    General

    $100
  27. Gulf Stream Council of Boy Scouts of America IncPalm Beach Gardens, FL

    General

    $100
  28. Mental Health of AmericaAlexandria, VA

    General

    $100
  29. Saint Ann's ChurchShrewsbury, MA

    General

    $100
  30. American Cancer SocietyBoston, MA

    General

    $100
  31. Central SynagogueNew York, NY

    General

    $100
  32. Worcester Chamber Music SocietyWorcester, MA

    General

    $100
  33. Jacob's PillowBecket, MA

    General

    $50

Where the money goes

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

  1. Philanthropy and grantmaking2 grants $31,60036% of the total
  2. Arts and culture4 grants $18,60021% of the total
  3. Education2 grants $15,18017% of the total
  4. Health3 grants $13,00015% of the total
  5. Human services2 grants $4,5005% of the total
  6. International aid1 grant $2,5003% of the total
  7. 4 other causes4 grants $2,2803% of the total

By State

Grants to organizations with a US address, latest year.

  1. New York9 grants $48,980
  2. Massachusetts16 grants $41,710
  3. New Jersey1 grant $5,000
  4. Florida4 grants $4,100
  5. California1 grant $2,000
  6. Colorado1 grant $500
  7. Virginia1 grant $100

Officers, directors and trustees

3 people as filed

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

  • Shirley S SiffTRUSTEE Hours 1Pay $0
  • Lawrence SiffTRUSTEE Hours 1Pay $0
  • Karen Siff-ExkornTRUSTEE Hours 1Pay $0

The return

More foundations

Similar foundations

Same main cause (philanthropy and grantmaking), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. Woosox Foundation IncWorcester, MA 77 grants Preselected only $123,149 giving
  2. TC Richmond Charitable FoundationWorcester, MA 1 grant Preselected only $81,000 giving
  3. Arno & Roberta E Wagner Scholarship FundWorcester, MA 1 grant Accepts applications $26,000 giving
  4. Clipper Ship Foundation IncMilton Village, MA 1 grant Accepts applications $100,000 giving
  5. The Rowe Family Charitable TrustNewton, MA 15 grants Preselected only $106,000 giving