Christy And John Mack Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Christy And John Mack Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 13-3746731

Foundation Overview

Based in Purchase, NY, Christy And John Mack Foundation has awarded 78 grants totaling $40,433,000 to organizations in New York, North Carolina and 9 other states across the US. Individual grants range from $4,555 to $3,800,000, with a median award of $100,000.

Latest Tax Year
2024
Total Giving (all years)
$40,433,000
Total Assets
$15,536,503
Median Grant (all grants)
$100,000

Latest Form 990-PF Snapshot

Total Grants
8
Median Grant
$588,723
% Median Grant Growth
+102% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: March 2026

Foundation Intelligence

Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies

New Applicant Friendliness
Closed Network: N/A

0 of 8 recipients (0%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.

Geographic Focus
New York

49% of grants are awarded in New York, with additional funding distributed across 10 other locations. The foundation balances regional focus with broader geographic diversity. Within New York, funding concentrates in New York (84%), Brooklyn (16%).

Funding Trajectory
+10%

Stable funding levels with 10% change over 4 years indicate consistent grant-making capacity and predictable philanthropic resources. This stability suggests reliable ongoing funding opportunities.

Program Areas
Education

Highly focused on education with 100% of funding dedicated to this sector. This specialization indicates deep expertise and committed investment in the field.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into Christy And John Mack Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.

Name Amount Location Purpose Year
Microsociety Inc $182,000 Philadelphia, PA, US General Purpose Or Educational 2024
Healthy Us Collaborative Inc $3,800,000 Washington, DC, US General Purpose Or Educational 2024
Nyc Police Foundation $4,555 New York, NY, US General Purpose Or Educational 2024
Nyc Police Foundation $995,445 New York, NY, US General Purpose Or Educationaldescription Of Contributed Property: 9,900 Shares Ms Stockbook Value Of Contribution Property: 9,900 Shares Ms Stock $99method Used To Determine The Book Value: Cost Basismethod Used To Determine Fair Market Value: Treasury Regulations Section 20.2031-2date Of The Gifts: July 8, 2024 2024
Microsociety Inc $182,000 Philadelphia, PA, US General Purpose Or Educational 2024
Healthy Us Collaborative Inc $3,800,000 Washington, DC, US General Purpose Or Educational 2024
Nyc Police Foundation $4,555 New York, NY, US General Purpose Or Educational 2024
Nyc Police Foundation $995,445 New York, NY, US General Purpose Or Educationaldescription Of Contributed Property: 9,900 Shares Ms Stockbook Value Of Contribution Property: 9,900 Shares Ms Stock $99method Used To Determine The Book Value: Cost Basismethod Used To Determine Fair Market Value: Treasury Regulations Section 20.2031-2date Of The Gifts: July 8, 2024 2024
Central Park Conservancy $25,000 New York, NY, US General Purpose Or Educational 2023
Microsociety Inc $282,000 Philadelphia, PA, US General Purpose Or Educational 2023
Healthy Us Collaborative Inc $1,030,000 Washington, DC, US General Purpose Or Educational 2023
Explorer's Club $25,000 New York, NY, US General Purpose Or Educational 2023
Giving Back Fund $1,000,000 Los Angeles, CA, US General Purpose Or Educational 2023
Fidelity Charitable Gift Fund $300,000 Covington, KY, US General Purpose Or Educational 2023
Ny Presbyterian Hospital $12,531 New York, NY, US General Purpose Or Educational 2023
Ny Presbyterian Hospital $987,469 New York, NY, US General Purpose Or Educationaldescription Of Contributed Property: (1) 35,190 Shares Palantir Technologies Inc Cl A (2) 9,000 Shares Ventyx Biosciences Incbook Value Of Contribution Property: (1) 35,190 Shares Palantir Technologies Inc Cl A $123,516.90 (2) 9,000 Shares Ventyx Biosciences Inc $ 3,240.00 Method Used To Determine The Book Value: Cost Basismethod Used To Determine Fair Market Value: Treasury Regulations Section 20.2031-2date Of The Gifts: August 3, 2023 2023
Central Park Conservancy $25,000 New York, NY, US General Purpose Or Educational 2023
Microsociety Inc $282,000 Philadelphia, PA, US General Purpose Or Educational 2023
Healthy Us Collaborative Inc $1,030,000 Washington, DC, US General Purpose Or Educational 2023
Explorer's Club $25,000 New York, NY, US General Purpose Or Educational 2023
Giving Back Fund $1,000,000 Los Angeles, CA, US General Purpose Or Educational 2023
Fidelity Charitable Gift Fund $300,000 Covington, KY, US General Purpose Or Educational 2023
Ny Presbyterian Hospital $12,531 New York, NY, US General Purpose Or Educational 2023
Ny Presbyterian Hospital $987,469 New York, NY, US General Purpose Or Educationaldescription Of Contributed Property: (1) 35,190 Shares Palantir Technologies Inc Cl A (2) 9,000 Shares Ventyx Biosciences Incbook Value Of Contribution Property: (1) 35,190 Shares Palantir Technologies Inc Cl A $123,516.90 (2) 9,000 Shares Ventyx Biosciences Inc $ 3,240.00 Method Used To Determine The Book Value: Cost Basismethod Used To Determine Fair Market Value: Treasury Regulations Section 20.2031-2date Of The Gifts: August 3, 2023 2023
Central Park Conservancy $25,000 New York, NY, US General Purpose Or Educational 2022
Fdny Foundation $100,000 Brooklyn, NY, US General Purpose Or Educational 2022
International Rescue Committee $1,025,000 Albert Lea, MN, US General Purpose Or Educational 2022
Microsociety Inc $182,000 Philadelphia, PA, US General Purpose Or Educational 2022
Healthy Us Collaborative Inc $2,530,000 Washington, DC, US General Purpose Or Educational 2022
Charles M Vallee Foundation $1,000,000 Sheldon, SC, US General Purpose Or Educational 2022
Explorer's Club $50,000 New York, NY, US General Purpose Or Educational 2022
Giving Back Fund $1,500,000 Los Angeles, CA, US General Purpose Or Educational 2022
Hip Hop Public Health $15,000 New York, NY, US General Purpose Or Educational 2022
Lincoln Center For The Arts $50,000 New York, NY, US General Purpose Or Educational 2022
Nyc Police Foundation $550,000 New York, NY, US General Purpose Or Educational 2022
Central Park Conservancy $25,000 New York, NY, US General Purpose Or Educational 2022
Fdny Foundation $100,000 Brooklyn, NY, US General Purpose Or Educational 2022
International Rescue Committee $1,025,000 Albert Lea, MN, US General Purpose Or Educational 2022
Microsociety Inc $182,000 Philadelphia, PA, US General Purpose Or Educational 2022
Healthy Us Collaborative Inc $2,530,000 Washington, DC, US General Purpose Or Educational 2022
Charles M Vallee Foundation $1,000,000 Sheldon, SC, US General Purpose Or Educational 2022
Explorer's Club $50,000 New York, NY, US General Purpose Or Educational 2022
Giving Back Fund $1,500,000 Los Angeles, CA, US General Purpose Or Educational 2022
Hip Hop Public Health $15,000 New York, NY, US General Purpose Or Educational 2022
Lincoln Center For The Arts $50,000 New York, NY, US General Purpose Or Educational 2022
Nyc Police Foundation $550,000 New York, NY, US General Purpose Or Educational 2022
Alfred E Smith Memorial Foundation $50,000 New York, NY, US General Purpose Or Educational 2021
Central Park Conservancy $25,000 New York, NY, US General Purpose Or Educational 2021
Coastal Plain Conservation Group $100,000 Hampstead, NC, US General Purpose Or Educational 2021
Encourage Kids Foundation $50,000 New York, NY, US General Purpose Or Educational 2021
Fdny Foundation $100,000 Brooklyn, NY, US General Purpose Or Educational 2021
Fidelity Charitable Gift Fund - Jacaranda Fund $100,000 Boston, MA, US General Purpose Or Educational 2021
Fidelity Charitable Gift Fund - Mack Schaefer Charitable Fund $100,000 Boston, MA, US General Purpose Or Educational 2021
Fidelity Charitable Gift Fund - Petra Fund $100,000 Boston, MA, US General Purpose Or Educational 2021
Healthcorps $25,000 New York, NY, US General Purpose Or Educational 2021
International Rescue Committee $1,500,000 Albert Lea, MN, US General Purpose Or Educational 2021
Marine Corps Scholarship Foundation $50,000 Alexandria, VA, US General Purpose Or Educational 2021
Microsociety Inc $244,000 Philadelphia, PA, US General Purpose Or Educational 2021
New York Cares $5,000 New York, NY, US General Purpose Or Educational 2021
North Carolina Botanical Garden $5,000 Chapel Hill, NC, US General Purpose Or Educational 2021
Ny Presbyterian Hospital $1,000,000 Brooklyn, NY, US General Purpose Or Educational 2021
The Healthy Us Collaborative Inc $1,030,000 Washington, DC, US General Purpose Or Educational 2021
Third Sector New England $75,000 Boston, MA, US General Purpose Or Educational 2021
Central Park Conservancy $25,000 New York, NY, US General Purpose Or Educational 2020
Duke University $10,000 Durham, NC, US General Purpose Or Educational 2020
Entertainment Industry Foundation $10,000 Los Angeles, CA, US General Purpose Or Educational 2020
Fdny Foundation $10,000 Brooklyn, NY, US General Purpose Or Educational 2020
Healthcorps $10,000 New York, NY, US General Purpose Or Educational 2020
The Healthy Us Collaborative Inc $2,030,000 Washington, DC, US General Purpose Or Educational 2020
Microsociety Inc $182,000 Philadelphia, PA, US General Purpose Or Educational 2020
North Carolina Coastal Land Trust $10,000 Wilmington, NC, US General Purpose Or Educational 2020
North Carolina Coastal Fisheries Reform Group $50,000 Wilmington, NC, US General Purpose Or Educational 2020
North Sound Foundation $100,000 Chicago, IL, US General Purpose Or Educational 2020
Nyc Police Foundation $10,000 New York, NY, US General Purpose Or Educational 2020
Sesame Workshop $25,000 New York, NY, US General Purpose Or Educational 2020
Third Sector New England $50,000 Boston, MA, US General Purpose Or Educational 2020
The Ny Academy Of Medicine $10,000 New York, NY, US General Purpose Or Educational 2020
Ny Presbyterian Hospital $2,000,000 Brooklyn, NY, US General Purpose Or Educational 2020

Foundations Similar to Christy And John Mack Foundation

Discover 5 foundations with comparable assets ($15,241,837-$15,658,892), similar grant patterns, and geographic focus in NY that may also align with your organization's funding needs and grant seeking strategy.

Foundation Name Total Assets Typical Grant Size Service Area Similarity Match

EIN: 47-4640011 | 7 grants awarded
$15,523,657
(≈ Similar)
$65,000
median grant
New York, NY
Same state
100%
Excellent match

EIN: 13-6084636 | 35 grants awarded
$15,633,863
(≈ Similar)
$178,100
median grant
Rye, NY
Same state
100%
Excellent match

EIN: 13-3904882 | 105 grants awarded
$15,658,892
(≈ Similar)
$50,000
median grant
New York, NY
Same state
100%
Excellent match

EIN: 13-4127228 | 64 grants awarded
$15,346,660
(≈ Similar)
$50,000
median grant
Chappaqua, NY
Same state
99%
Excellent match

EIN: 37-2060655 | 8 grants awarded
$15,241,837
(≈ Similar)
$96,750
median grant
New York, NY
Same state
99%
Excellent match

Contact Information

Official contact details for Christy And John Mack Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 13-3746731
Website N/A
Address 6 CLUB ROAD Rye, NY 10580-0000

Key People (2)

Board members, trustees, and key staff who oversee Christy And John Mack Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Director John J Mack
President Christy K Mack

Forms 990-PF

IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.

Form 990-PF Research Tips
  • Review Part XV for detailed grant recipient information and funding purposes
  • Check Part I for total assets, annual giving amounts, and payout requirements
  • Examine Part VIII for key personnel compensation and board structure
  • Look for trends across multiple years to understand giving patterns

About This Foundation Profile

This comprehensive foundation profile for Christy And John Mack Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.

Data Sources & Accuracy

All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.

Research Applications

Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.

Data Currency: Last updated March 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.