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Data / Foundation grants / The William & Phyllis Mack Family Foundation Inc

The William & Phyllis Mack Family Foundation Inc: 53 grants to organizations, $3.2 million (tax year ended December 2024)

The William & Phyllis Mack Family Foundation Inc, a private foundation in Fort Lee, NJ, paid 53 grants to organizations totaling $3,213,882 in its tax year ended December 2024, according to its Form 990-PF filed with the IRS on November 7, 2025. The largest was $820,000 to Guggenheim Museum in New York, NY for charity.

SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.

EIN
223512719
Based in
Fort Lee, NJ
Assets
$5,127,984
Grants paid
$3,213,882
Tax year ended
December 2024

Grants paid, tax year ended December 2024

From the Form 990-PF filed November 7, 2025, IRS object ID 202513119349101811. It reported $3,213,882 in grants paid; 53 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
Guggenheim MuseumNew York, NYCharity$820,000apps.irs.gov
Northwell Health FoundationNew Hyde Park, NYCharity$788,000apps.irs.gov
Uja Federation of New YorkNew York, NYCharity$300,000apps.irs.gov
Jewish Federation of Palm BeachWest Palm Beach, FLCharity$151,000apps.irs.gov
American Friends of the Israel MuseumNew York, NYCharityArts, culture and humanities$130,000apps.irs.gov
Park Avenue SynagogueNew York, NYCharity$109,848apps.irs.gov
Beit RuthJericho, NYCharity$100,000apps.irs.gov
Kravis Center for the Performing ArtsWest Palm Beach, FLCharity$100,000apps.irs.gov
The Jewish MuseumNew York, NYCharityArts, culture and humanities$95,000apps.irs.gov
92yNew York, NYCharity$66,667apps.irs.gov
Birthright Israel FoundationBoca Raton, FLCharity$50,000apps.irs.gov
Morselife Foundation IncWest Palm Beach, FLCharityHuman services$50,000apps.irs.gov
Target Als Foundation IncNew York, NYCharityEducation$50,000apps.irs.gov
The New Jewish HomeNew York, NYCharity$50,000apps.irs.gov
Yeshiva UniversityNew York, NYCharityEducation$50,000apps.irs.gov
The Society of the Four ArtsPalm Beach, FLCharityArts, culture and humanities$29,000apps.irs.gov
Norton Museum of ArtWest Palm Beach, FLCharityArts, culture and humanities$26,250apps.irs.gov
Bruce and Marsha Moskowitz FoundationWest Palm Beach, FLCharityPhilanthropy, voluntarism and grantmaking foundations$25,000apps.irs.gov
Connecticut Public BroadcastingHartford, CTCharityArts, culture and humanities$25,000apps.irs.gov
Gift of Life Marrow RegistryBoca Raton, FLCharityHealth care$25,000apps.irs.gov
Mecox Bay ConservancyWatermill, NYCharityEnvironment$25,000apps.irs.gov
The Wharton FundPhiladelphia, PACharity$25,000apps.irs.gov
Town of Palm Beach United WayPalm Beach, FLCharityPhilanthropy, voluntarism and grantmaking foundations$25,000apps.irs.gov
American Friends of the Hebrew UniversityNew York, NYCharityInternational, foreign affairs and national security$10,000apps.irs.gov
Israel Tennis & Education Centers FoundationNew York, NYCharity$10,000apps.irs.gov
Palm Beach SynagoguePalm Beach, FLCharity$10,000apps.irs.gov
The Milkken InstituteNew York, NYCharity$6,867apps.irs.gov
The Museum of Modern ArtNew York, NYCharityArts, culture and humanities$6,000apps.irs.gov
ActaWashington, DCCharity$5,000apps.irs.gov
Delivering GoodNew York, NYCharityHuman services$5,000apps.irs.gov
Federal Enforcement Homeland Security FDNNew York, NYCharity$5,000apps.irs.gov
Mount Sinai Health System Crystal PartyNew York, NYCharity$5,000apps.irs.gov
Palm Beach Civic AssociationPalm Beach, FLCharityCommunity improvement and capacity building$5,000apps.irs.gov
Solomon Institute IncPalm Beach, FLCharityPublic and societal benefit$5,000apps.irs.gov
AfmdaNew York, NYCharity$3,600apps.irs.gov
American Friends of the Israel Phil OrchNew York, NYCharity$3,000apps.irs.gov
Peconic Land TrustSouthhampton, NYCharityEnvironment$2,500apps.irs.gov
Planned ParenthoodHempstead, NYCharity$2,500apps.irs.gov
Promise Fund of FloridaPalm Beach, FLCharity$2,500apps.irs.gov
United States Holocaust Memorial MuseumWashington, DCCharity$2,500apps.irs.gov
The Michael J Fox FoundationNew York, NYCharity$1,250apps.irs.gov
Dolphins Challenge CancerMiami Gardens, FLCharity$1,000apps.irs.gov
Friends of the Israel Defense ForcesBrooklyn, NYCharity$1,000apps.irs.gov
New York Historical SocietyNew York, NYCharityArts, culture and humanities$1,000apps.irs.gov
HowTulsa, OKCharity$750apps.irs.gov
Breast Cancer Research FoundationNew York, NYCharityPublic safety, disaster preparedness and relief$550apps.irs.gov
Dana-Farber Cancer InstituteBoston, MACharityMedical research$500apps.irs.gov
JDCNew York, NYCharity$500apps.irs.gov
SBT Club Charitable FundSouthhampton, NYCharity$500apps.irs.gov
The Lustgarten FoundationWoodbury, NYCharity$500apps.irs.gov
The Resource FoundationNew York, NYCharity$500apps.irs.gov
United Way of Palm BeachWest Palm Beach, FLCharity$500apps.irs.gov
Big Brothers Big Sisters of Long IslandIslandia, NYCharity$100apps.irs.gov

Causes funded

From grants whose recipient has a cause.

States funded

Recipient stateGranted
New York$2,649,882
Florida$505,250
Connecticut$25,000
Pennsylvania$25,000
District of Columbia$7,500
Oklahoma$750
Massachusetts$500

Also on SpecStream

Updated November 7, 2025. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.