Funding search · EIN 223512719 · Fort Lee, NJ
The William & Phyllis Mack Family
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 154
- grants reported
- $13.2M
- total given
- 2022–2024
- filing years
- $5,306
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
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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.
- University of Pennsylvania2 grants · $4.0M
- Guggenheim Museum3 grants · $2.4M
- Northwell Health Foundation3 grants · $2.3M
- Uja Federation of New York3 grants · $706,000
- Park Avenue Synagogue3 grants · $463,829
- American Friends of the Israel Museum3 grants · $400,000
- United Jewish Appeal1 grant · $400,000
- Jewish Federation of Palm Beach3 grants · $353,000
- The Jewish Museum3 grants · $245,500
- 92y3 grants · $200,001
Giving over time
Grant history
The 100 largest of 154 grants.
- $2.0M
University of Pennsylvania · Philadelphia, PA · 2023
Charity
- $2.0M
University of Pennsylvania · Philadelphia, PA · 2022
Charity
- $920,000
Guggenheim Museum · New York, NY · 2023
Charity
- $820,000
Guggenheim Museum · New York, NY · 2024
Charity
- $788,000
Northwell Health Foundation · New Hyde Park, NY · 2024
Charity
- $783,000
Northwell Health Foundation · New Hyde Park, NY · 2023
Charity
- $700,250
Northwell Health Foundation · New Hyde Park, NY · 2022
Charity
- $670,000
Guggenheim Museum · New York, NY · 2022
Charity
- $400,000
Uja Federation of New York · New York, NY · 2023
Charity
- $400,000
United Jewish Appeal · Greenvale, NY · 2023
Charity
- $300,000
Uja Federation of New York · New York, NY · 2024
Charity
- $243,213
Park Avenue Synagogue · New York, NY · 2022
Charity
- $151,500
Jewish Federation of Palm Beach · West Palm Beach, FL · 2023
Charity
- $151,000
Jewish Federation of Palm Beach · West Palm Beach, FL · 2024
Charity
- $135,000
American Friends of the Israel Museum · New York, NY · 2023
Charity
- $135,000
American Friends of the Israel Museum · New York, NY · 2022
Charity
- $130,000
American Friends of the Israel Museum · New York, NY · 2024
Charity
- $110,768
Park Avenue Synagogue · New York, NY · 2023
Charity
- $109,848
Park Avenue Synagogue · New York, NY · 2024
Charity
- $100,500
Friends of the Israel Defense Forces · Brooklyn, NY · 2023
Charity
- $100,000
Beit Ruth · Jericho, NY · 2024
Charity
- $100,000
Kravis Center for the Performing Arts · West Palm Beach, FL · 2024
Charity
- $95,000
The Jewish Museum · New York, NY · 2024
Charity
- $82,500
The Jewish Museum · New York, NY · 2023
Charity
- $75,000
Town of Palm Beach United Way · Palm Beach, FL · 2022
Charitycharitycharity
- $70,000
Morselife Foundation · West Palm Beach, FL · 2023
Charity
- $68,000
The Jewish Museum · New York, NY · 2022
Charity
- $66,667
92y · New York, NY · 2024
Charity
- $66,667
92y · New York, NY · 2023
Charity
- $66,667
92y · New York, NY · 2022
Charity
- $50,500
Jewish Federation of Palm Beach · West Palm Beach, FL · 2022
Charity
- $50,000
Birthright Israel Foundation · Boca Raton, FL · 2024
Charity
- $50,000
Morselife Foundation · West Palm Beach, FL · 2024
Charity
- $50,000
Target Als Foundation · New York, NY · 2024
Charity
- $50,000
The New Jewish Home · New York, NY · 2024
Charity
- $50,000
Yeshiva University · New York, NY · 2024
Charity
- $50,000
The New Jewish Home · New York, NY · 2023
Charity
- $50,000
Yeshiva University · New York, NY · 2023
Charity
- $50,000
The New Jewish Home · New York, NY · 2022
Charity
- $50,000
Yeshiva University · New York, NY · 2022
Charity
- $30,000
United States Holocaust Memorial Museum · New York, NY · 2022
Charity
- $29,000
The Society of the Four Arts · Palm Beach, FL · 2024
Charity
- $26,250
Norton Museum of Art · West Palm Beach, FL · 2024
Charity
- $25,000
Bruce and Marsha Moskowitz Foundation · West Palm Beach, FL · 2024
Charity
- $25,000
Connecticut Public Broadcasting · Hartford, CT · 2024
Charity
- $25,000
Gift of Life Marrow Registry · Boca Raton, FL · 2024
Charity
- $25,000
Mecox Bay Conservancy · Watermill, NY · 2024
Charity
- $25,000
The Wharton Fund · Philadelphia, PA · 2024
Charity
- $25,000
Town of Palm Beach United Way · Palm Beach, FL · 2024
Charity
- $25,000
Bruce and Marsha Moskowitz Foundation · West Palm Beach, FL · 2023
Charity
- $25,000
Kravis Center for the Performing Arts · West Palm Beach, FL · 2023
Charity
- $25,000
Prostate Cancer Foundation · Santa Monica, CA · 2023
Charity
- $25,000
The Society of the Four Arts · Palm Beach, FL · 2023
Charity
- $25,000
The Wharton Fund · Philadelphia, PA · 2023
Charity
- $25,000
Town of Palm Beach United Way · Palm Beach, FL · 2023
Charity
- $25,000
United Way of Palm Beach · West Palm Beach, FL · 2023
Charity
- $25,000
Birthright Israel Foundation · Boca Raton, FL · 2022
Charity
- $25,000
Brooklyn Tech Alumni Foundation · Brooklyn, NY · 2022
Charity
- $25,000
Bruce and Marsha Moskowitz Foundation · West Palm Beach, FL · 2022
Charity
- $25,000
The Warton Fund · Philadelphia, PA · 2022
Charity
- $21,000
Morselife Foundation · West Palm Beach, FL · 2022
Charity
- $20,000
Birthright Israel Foundation · Boca Raton, FL · 2023
Charity
- $18,000
Orphan Disease Pathway Project · New York, NY · 2022
Charity
- $12,500
Lincoln Center for Performing Arts · New York, NY · 2023
Charity
- $12,500
New York Restoration Project · New York, NY · 2022
Charity
- $12,000
The Leo Baeck Institute · New York, NY · 2022
Charity
- $11,000
Palm Beach Synagogue · Palm Beach, FL · 2023
Charity
- $10,000
American Friends of the Hebrew University · New York, NY · 2024
Charity
- $10,000
Israel Tennis & Education Centers Foundation · New York, NY · 2024
Charity
- $10,000
Palm Beach Synagogue · Palm Beach, FL · 2024
Charity
- $10,000
Israel Tennis & Education Centers Foundation · New York, NY · 2023
Charity
- $10,000
The Society of the Four Arts · Palm Beach, FL · 2022
Charity
- $7,500
Israel Tennis & Education Centers Foundation · New York, NY · 2022
Charity
- $6,867
The Milkken Institute · New York, NY · 2024
Charity
- $6,000
The Museum of Modern Art · New York, NY · 2024
Charity
- $6,000
Uja Federation of New York · New York, NY · 2022
Charity
- $5,611
The Milkken Institute · New York, NY · 2023
Charity
- $5,000
Acta · Washington, DC · 2024
Charity
- $5,000
Delivering Good · New York, NY · 2024
Charity
- $5,000
Federal Enforcement Homeland Security Fdn · New York, NY · 2024
Charity
- $5,000
Mount Sinai Health System Crystal Party · New York, NY · 2024
Charity
- $5,000
Palm Beach Civic Association · Palm Beach, FL · 2024
Charity
- $5,000
Solomon Institute · Palm Beach, FL · 2024
Charity
- $5,000
Adl Nynj · New York, NY · 2023
Charity
- $5,000
Albert Einstein College of Medicine · Bronx, NY · 2023
Charity
- $5,000
Alzheimer'S Drug Discovery Foundation · New York, NY · 2023
Charity
- $5,000
Katz Women'S Hospital · Queens, NY · 2023
Charity
- $5,000
Palm Beach Civic Association · Palm Beach, FL · 2023
Charity
- $5,000
Palm Beach Country Club Foundation · Palm Beach, FL · 2023
Charity
- $5,000
Brigham & Women'S Hospital · Palm Beach, NY · 2022
Charity
- $5,000
Gift of Life Marrow · Boca Raton, FL · 2022
Charity
- $5,000
La Salle Academy · New York, NY · 2022
Charity
- $5,000
Lupus Research Alliance · New York, NY · 2022
Charity
- $5,000
Prep for Prep · New York, NY · 2022
Charity
- $3,600
Afmda · New York, NY · 2024
Charity
- $3,500
Palm Beach Country Club Foundation · Palm Beach, FL · 2022
Charity
- $3,000
American Friends of the Israel Phil Orch · New York, NY · 2024
Charity
- $3,000
Alzheimer'S Drug Discovery Foundation · New York, NY · 2022
Charity
- $2,750
Peconic Land Trust · Southhampton, NY · 2023
Charity
- $2,750
Peconic Land Trust · Southhampton, NY · 2022
Charity
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.

