Stephen Mack & Kelly Mack | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Stephen Mack & Kelly Mack. Data shown is extracted from Form 990-PF filings.

EIN: 20-3901963

Foundation Overview

Based in New York, NY, Stephen Mack & Kelly Mack has awarded 40 grants totaling $3,734,695 to organizations in Florida, New York and 5 other states across the US. Individual grants range from $1,000 to $412,000, with a median award of $83,333.5.

Latest Tax Year
2023
Total Giving (all years)
$3,734,695
Total Assets
$188,422
Median Grant (all grants)
$83,333.5

Latest Form 990-PF Snapshot

Total Grants
10
Median Grant
$40,000
% Median Grant Decline
-67% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: February 2026

Foundation Intelligence

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

New Applicant Friendliness
Growth-Minded: 70%

7 of 10 recipients (70%) were new grantees. Foundation actively seeks new partnerships to expand impact. Fresh approaches and innovative programs receive serious consideration.

Geographic Focus
New York

40% of grants are awarded in New York, with additional funding distributed across 6 other locations. The foundation balances regional focus with broader geographic diversity. Within New York, funding concentrates in New York (94%), Bronx (6%).

Funding Trajectory
+11%

Stable funding levels with 11% change over 2 years indicate consistent grant-making capacity and predictable philanthropic resources. This stability suggests reliable ongoing funding opportunities.

Program Areas
General Purposes

Highly focused on general purposes 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 Stephen Mack & Kelly Mack'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
Riverdale Country School $25,000 Bronx, NY, US Exempt Purpose 2023
Home Stretch Farm And Sanctuary $8,000 Saddle Brook, NJ, US Exempt Purpose 2023
92y $120,167 New York, NY, US Exempt Purpose 2023
Charities Aid Foundation America $30,000 Alexandria, MA, US Exempt Purpose 2023
Northside Center For Child Developemnt $2,500 New York, NY, US Exempt Purpose 2023
Monterey Peninsula Foundation $400,000 Monterey, CA, US Exempt Purpose 2023
Georgetown University $150,000 Washington, DC, US Exempt Purpose 2023
Nyu $50,000 New York, NY, US Exempt Purpose 2023
American Friends Of Or National Mission $100,000 New York, NY, US Exempt Purpose 2023
Team Impact $25,000 Quincy, MA, US Exempt Purpose 2023
Challenged Athletes Foundation $10,000 San Diego, CA, US Exempt Purpose 2022
Boston Childrens Hospital Trust $7,500 Boston, MA, US Exempt Purpose 2022
Team Impact $35,000 Quincy, MA, US Exempt Purpose 2022
92y $119,787 New York, NY, US Exempt Purpose 2022
Monterey Peninsula Foundation $195,000 Monterey, CA, US Exempt Purpose 2022
Musicians On Call $150,000 Nashville, TN, US Exempt Purpose 2022
Nyu Langone Health $150,000 New York, NY, US Exempt Purpose 2022
Challenged Athletes Foundation $10,000 San Diego, CA, US Exempt Purpose 2022
Boston Childrens Hospital Trust $7,500 Boston, MA, US Exempt Purpose 2022
Team Impact $35,000 Quincy, MA, US Exempt Purpose 2022
92y $119,787 New York, NY, US Exempt Purpose 2022
Monterey Peninsula Foundation $195,000 Monterey, CA, US Exempt Purpose 2022
Musicians On Call $150,000 Nashville, TN, US Exempt Purpose 2022
Nyu Langone Health $150,000 New York, NY, US Exempt Purpose 2022
Challenged Athletes Foundation $10,000 San Diego, CA, US Exempt Purpose 2022
Boston Childrens Hospital Trust $7,500 Boston, MA, US Exempt Purpose 2022
Team Impact $35,000 Quincy, MA, US Exempt Purpose 2022
92y $119,787 New York, NY, US Exempt Purpose 2022
Monterey Peninsula Foundation $195,000 Monterey, CA, US Exempt Purpose 2022
Musicians On Call $150,000 Nashville, TN, US Exempt Purpose 2022
Nyu Langone Health $150,000 New York, NY, US Exempt Purpose 2022
Tom Coughlin Jay Fund Foundation $12,500 Jacksonville Beach, FL, US Exempt Purpose 2021
Citimeals On Wheels $5,000 New York, NY, US Exempt Purpose 2021
92y $66,667 New York, NY, US Exempt Purpose 2021
Animal Medical Center $10,000 New York, NY, US Exempt Purpose 2021
Monterey Peninsula Foundation $100,000 Monterey, CA, US Exempt Purpose 2021
Musicians On Call $100,000 Nashville, TN, US Exempt Purpose 2021
Nyu Langone Health $115,000 New York, NY, US Exempt Purpose 2021
Stephen D Hassenfeld Children's Center $412,000 New York, NY, US Exempt Purpose 2021
Vista Del Mar Child And Family Services $1,000 Los Angeles, CA, US Exempt Purpose 2021

Foundations Similar to Stephen Mack & Kelly Mack

Discover 5 foundations with comparable assets ($184,747-$192,868), 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: 13-4128044 | 5 grants awarded
$188,887
(≈ Similar)
$100,000
median grant
New York, NY
Same state
100%
Excellent match

EIN: 11-3540759 | 2 grants awarded
$190,479
(≈ Similar)
$112,500
median grant
Flushing, NY
Same state
99%
Excellent match

EIN: 13-4035645 | 14 grants awarded
$184,991
(≈ Similar)
$89,214
median grant
Lawrence, NY
Same state
99%
Excellent match

EIN: 86-1226650 | 4 grants awarded
$184,747
(≈ Similar)
$47,300
median grant
Brooklyn, NY
Same state
99%
Excellent match

EIN: 84-4498198 | 86 grants awarded
$192,868
(≈ Similar)
$140,625
median grant
New York, NY
Same state
99%
Excellent match

Contact Information

Official contact details for Stephen Mack & Kelly Mack as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 20-3901963
Website N/A
Address CO MREG-60 COLUMBUS CIR 20 FL New York, NY 10023-0000

Key People (4)

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

President Stephen Mack
Vice President Kelly Mack
Vice President Kerry Kennedy
Vice President Richard 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 Stephen Mack & Kelly Mack 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 February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.