Funding search · EIN 046112346 · Worcester, MA
Siff Charitable Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 142
- grants reported
- $350,495
- total given
- 2022–2025
- filing years
- $500
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- New York University4 grants · $50,000
- Temple Emanuel Sinai4 grants · $39,550
- Jewish Federation of Central Ma3 grants · $38,000
- Next for Autism4 grants · $33,000
- Umass Chan Medical School Foundation2 grants · $27,600
- Brigham & Womens Hospital2 grants · $25,000
- Jewish Federation of Palm Beach Cty2 grants · $15,000
- Alpine Learning Center4 grants · $15,000
- Woodstock Film Festival1 grant · $15,000
- Tibetan Home of Hope4 grants · $10,000
Giving over time
Grant history
The 100 largest of 142 grants.
- $28,730
Temple Emanuel Sinai · Worcester, MA · 2022
General
- $26,600
Umass Chan Medical School Foundation · Shrewsbury, MA · 2025
General
- $18,000
Jewish Federation of Central Ma · Worcester, MA · 2022
General
- $15,000
New York University · New York, NY · 2025
General
- $15,000
Woodstock Film Festival · Woodstock, NY · 2025
General
- $15,000
Brigham & Womens Hospital · Boston, MA · 2024
General
- $15,000
New York University · New York, NY · 2024
General
- $12,000
Next for Autism · New York, NY · 2025
General
- $10,000
American Jewish Archives · New York, NY · 2024
General
- $10,000
Jewish Federation of Central Ma · Worcester, MA · 2024
General
- $10,000
Next for Autism · New York, NY · 2024
General
- $10,000
Brigham & Womens Hospital · Boston, MA · 2023
General
- $10,000
Jewish Federation of Central Ma · Worcester, MA · 2023
General
- $10,000
New York University · New York, NY · 2023
General
- $10,000
Next for Autism · New York, NY · 2023
General
- $10,000
New York University · New York, NY · 2022
General
- $8,000
Jewish Federation of Palm Beach Cty · West Palm Beach, FL · 2024
General
- $7,000
Jewish Federation of Palm Beach Cty · West Palm Beach, FL · 2023
General
- $5,000
Alpine Learning Center · Paramus, NJ · 2025
General
- $5,000
Umass Memorial Foundation · Shrewsbury, MA · 2025
General
- $5,000
Alpine Learning Center · Paramus, NJ · 2024
General
- $5,000
Children'S Aid Foundation of Canada · 2022
General
- $3,970
Temple Emanuel Sinai · Worcester, MA · 2023
General
- $3,450
Temple Emanuel Sinai · Worcester, MA · 2024
General
- $3,400
Temple Emanuel Sinai · Worcester, MA · 2025
General
- $2,500
Autism Project of Palm Beach County · Jupiter, FL · 2025
General
- $2,500
Tibetan Home of Hope · Valley Cottage, NY · 2025
General
- $2,500
Worcester Art Museum · Worcester, MA · 2025
General
- $2,500
Autism Project of Palm Beach County · Jupiter, FL · 2024
General
- $2,500
Tibetan Home of Hope · Valley Cottage, NY · 2024
General
- $2,500
Alpine Learning Center · Paramus, NJ · 2023
General
- $2,500
Autism Project of Palm Beach County · Jupiter, FL · 2023
General
- $2,500
Tibetan Home of Hope · Valley Cottage, NY · 2023
General
- $2,500
Alpine Learning Center · Paramus, NJ · 2022
General
- $2,500
Autism Project of Palm Beach County · Jupiter, FL · 2022
General
- $2,500
Tibetan Home of Hope · Valley Cottage, NY · 2022
General
- $2,320
Herizon · West Palm Beach, FL · 2022
General
- $2,200
En Guarde Arts · Brooklyn, NY · 2025
General
- $2,000
Watch Resources · Sonora, CA · 2025
General
- $1,600
Jewish Health Care Center · Worcester, MA · 2025
General
- $1,500
Breast Cancer Research Foundation · New York, NY · 2025
General
- $1,500
Dana Farber Cancer Institute · Boston, MA · 2024
General
- $1,500
Worcester Art Museum · Worcester, MA · 2024
General
- $1,500
World Against Toys Causing Harm · Boston, MA · 2024
General
- $1,500
Worcester Art Museum · Worcester, MA · 2023
General
- $1,500
World Against Toys Causing Harm · Boston, MA · 2023
General
- $1,500
Dana Farber Cancer Institute · Boston, MA · 2022
General
- $1,500
Worcester Art Museum · Worcester, MA · 2022
General
- $1,500
World Against Toys Causing Harm · Boston, MA · 2022
General
- $1,280
Jewish Health Care Center · Worcester, MA · 2024
General
- $1,200
Ecotarium · Worcester, MA · 2024
General
- $1,000
Ecotarium · Worcester, MA · 2025
General
- $1,000
Florida Atlantic University · Jupiter, FL · 2025
General
- $1,000
Breast Cancer Research Foundation · New York, NY · 2024
General
- $1,000
Fau Foundation Lls - Jupiter · Jupiter, FL · 2024
General
- $1,000
Saint Ann'S Church · Shrewsbury, MA · 2024
General
- $1,000
Umass Chan Medical School Foundation · Shrewsbury, MA · 2024
General
- $1,000
Unlimbited Foundation at the Paley Institute · Jupiter, FL · 2024
General
- $1,000
Fau Foundation Lls - Jupiter · Jupiter, FL · 2023
General
- $1,000
Soviet Jewry Movement Archives Project · New York, NY · 2023
General
- $1,000
Umass Memorial Foundation · Shrewsbury, MA · 2023
General
- $1,000
Ecotarium · Worcester, MA · 2022
General
- $1,000
Jewish Health Care Center · Worcester, MA · 2022
General
- $1,000
Next for Autism · New York, NY · 2022
General
- $750
Breast Cancer Research Foundation · New York, NY · 2023
General
- $650
Brandeis University · Waltham, MA · 2022
General
- $540
William James College · Newton, MA · 2022
General
- $500
Nami Palm Beach County · West Palm Beach, FL · 2025
General
- $500
National Jewish Health · Denver, CO · 2025
General
- $500
Shuva Center · New York, NY · 2025
General
- $500
Worcester District Medical Society · Worcester, MA · 2025
General
- $500
Nami Palm Beach County · West Palm Beach, FL · 2024
General
- $500
Herizon · West Palm Beach, FL · 2023
General
- $500
Nami Palm Beach County · West Palm Beach, FL · 2023
General
- $500
Nami Palm Beach County · West Palm Beach, FL · 2022
General
- $400
Umass Memorial Foundation · Shrewsbury, MA · 2024
General
- $400
Physicians for Reprod Choice & Health · New York, NY · 2022
General
- $360
National Jewish Health · Denver, CO · 2024
General
- $250
Mental Health of America · Alexandria, VA · 2024
General
- $200
Ywca of Central Ma · Worcester, MA · 2025
General
- $200
Alzheimer'S Drug Discovery Foundation · New York, NY · 2024
General
- $200
Brandeis University · Waltham, MA · 2024
General
- $200
Jcc of Long Beach Island · Spray Beach, NJ · 2023
General
- $200
Umass Medical Center · Worcester, MA · 2023
General
- $200
Jcc of Long Beach Island · Spray Beach, NJ · 2022
General
- $200
Umass Medical Center · Worcester, MA · 2022
General
- $180
Nourish Nantucket · Nantucket, MA · 2025
General
- $180
Temple Emanuel Men'S Club · New York, NY · 2025
General
- $180
William James College · Newton, MA · 2025
General
- $180
University of Michigan Hillel · Ann Arbor, MI · 2024
General
- $180
Nami Ma · Boston, MA · 2023
General
- $180
William James College · Newton, MA · 2023
General
- $180
Temple Emanuel of Palm Beach · Palm Beach, FL · 2022
General
- $150
Alzheimer'S Association · Worcester, MA · 2023
General
- $150
Pamoja Care · Worcester, MA · 2023
General
- $145
Norton Museum of Art · West Palm Beach, FL · 2022
General
- $100
Alzheimer'S Association · Worcester, MA · 2025
General
- $100
American Cancer Society · Boston, MA · 2025
General
- $100
Central Synagogue · New York, NY · 2025
General
- $100
Dana Farber Cancer Institute · Boston, MA · 2025
General
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

