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 20222024. 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

$4.4M
2022
$5.6M
2023
$3.2M
2024

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

View all 154 grants →

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Source: 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.