The Mountz Family Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like The Mountz Family Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 46-1547058

Foundation Overview

Based in Wellesley, MA, The Mountz Family Foundation has awarded 103 grants totaling $2,799,343 to organizations in Massachusetts, California and 7 other states across the US. Individual grants range from $100 to $250,000, with a median award of $2,000.

Latest Tax Year
2023
Total Giving (all years)
$2,799,343
Total Assets
$1,697,590
Median Grant (all grants)
$2,000

Latest Form 990-PF Snapshot

Total Grants
8
Median Grant
$10,000
% Median Grant Growth
+54% (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
Relationship-Focused: 25%

2 of 8 recipients (25%) were new grantees. Foundation strongly favors organizations with proven track records. New partnerships develop slowly over time.

Geographic Focus
Massachusetts

83% of all grants are concentrated in Massachusetts, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within Massachusetts, funding concentrates in Boston (62%), Cambridge (12%), Needham (10%).

Funding Trajectory
-62%

Declining funding trend with 62% decrease over 7 years may indicate reduced grant opportunities or shifting foundation priorities. This trajectory suggests more competitive application environment.

Program Areas
General Purposes + Healthcare

Dual focus on general purposes (67%) and healthcare, indicating strategic concentration in complementary program areas.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into The Mountz Family 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
Boston Children's Hospital $161,000 Boston, MA, US General 2023
Brigham And Women's Hospital $3,000 Boston, MA, US General 2023
Carroll School $10,000 Lincoln, MA, US General 2023
Mit $20,000 Cambridge, MA, US General 2023
Nashoba Brooks School $30,000 Concord, MA, US General 2023
National Inventors Hall Of Fame $1,000 North Canton, OH, US General 2023
Pan Mass Challenge $1,000 Needham, MA, US General 2023
The Fenn School $10,000 Concord, MA, US General 2023
Boston Children's Hospital $163,500 Boston, MA, US General 2022
Brigham And Women's Hospital $3,000 Boston, MA, US General 2022
Harvard Business School $10,000 Boston, MA, US General 2022
Khan Academy $1,000 Mountain View, CA, US General 2022
Mit $10,000 Cambridge, MA, US General 2022
Nashoba Brooks School $26,800 Concord, MA, US General 2022
National Inventors Hall Of Fame $1,000 North Canton, OH, US General 2022
Pan Mass Challenge $1,000 Needham, MA, US General 2022
Boston Children's Hospital $163,500 Boston, MA, US General 2022
Brigham And Women's Hospital $3,000 Boston, MA, US General 2022
Harvard Business School $10,000 Boston, MA, US General 2022
Khan Academy $1,000 Mountain View, CA, US General 2022
Mit $10,000 Cambridge, MA, US General 2022
Nashoba Brooks School $26,800 Concord, MA, US General 2022
National Inventors Hall Of Fame $1,000 North Canton, OH, US General 2022
Pan Mass Challenge $1,000 Needham, MA, US General 2022
Boston Children's Hospital $163,500 Boston, MA, US General 2022
Brigham And Women's Hospital $3,000 Boston, MA, US General 2022
Harvard Business School $10,000 Boston, MA, US General 2022
Khan Academy $1,000 Mountain View, CA, US General 2022
Mit $10,000 Cambridge, MA, US General 2022
Nashoba Brooks School $26,800 Concord, MA, US General 2022
National Inventors Hall Of Fame $1,000 North Canton, OH, US General 2022
Pan Mass Challenge $1,000 Needham, MA, US General 2022
Boston Athletic Association $395 Boston, MA, US General 2021
Boston Children's Hospital $150 Boston, MA, US General 2021
Boston Children's Hospital $1,825 Boston, MA, US General 2021
Boston Children's Hospital $15,000 Boston, MA, US General 2021
Brigham And Women's Hospital $2,500 Boston, MA, US General 2021
Cottonwood Leadership Fund $10,000 Lawrence, KS, US General 2021
Mathcounts Foundation $1,000 Alexandria, VA, US General 2021
Mayo Clinic $2,000 Rochester, MN, US General 2021
Mit $100 Cambridge, MA, US General 2021
Nashoba Brooks School $5,000 Concord, MA, US General 2021
Nashoba Brooks School $20,000 Concord, MA, US General 2021
Pan Mass Challenge $1,025 Needham, MA, US General 2021
Pan Mass Challenge $1,025 Needham, MA, US General 2021
Boston Children's Hospital Trust $15,000 Boston, MA, US General 2020
Boston Children's Hospital Trust $100 Boston, MA, US General 2020
Brigham & Women's Hospital $2,000 Boston, MA, US General 2020
Cottonwood Foundation $1,680 White Bear Lake, MN, US General 2020
Hbs Fund For Leadership & Innovation $200,000 Boston, MA, US General 2020
Mayo Clinic $2,000 Scottsdale, AZ, US General 2020
Mit $10,000 Cambridge, MA, US General 2020
Nashoba Regional School District $20,000 Bolton, MA, US General 2020
Pan-mass Challenge $1,000 Needham, MA, US General 2020
Boston Children's Hospital $100,000 Boston, MA, US General 2018
Boston Children's Hospital $2,650 Boston, MA, US General 2018
Brigham & Women's Hospital $1,000 Boston, MA, US General 2018
Dinner For Yawkey Way House - Roche Brothers $275 Boston, MA, US General 2018
Dinner For Yawkey Way House - Roche Brothers $275 Boston, MA, US General 2018
Dinner For Yawkey Way House - Roche Brothers $361 Boston, MA, US General 2018
Dinner For Yawkey Way House - Roche Brothers $297 Boston, MA, US General 2018
Dinner For Yawkey Way House - Roche Brothers $297 Boston, MA, US General 2018
Dinner For Yawkey Way House - Roche Brothers $297 Boston, MA, US General 2018
Dinner For Yawkey Way House - Roche Brothers $297 Boston, MA, US General 2018
Dinner For Yawkey Way House - Roche Brothers $217 Boston, MA, US General 2018
Dinner For Yawkey Way House - Roche Brothers $217 Boston, MA, US General 2018
Dinner For Yawkey Way House - Roche Brothers $217 Boston, MA, US General 2018
Dinner For Yawkey Way House - Roche Brothers $217 Boston, MA, US General 2018
Dinner For Yawkey Way House - Roche Brothers $217 Boston, MA, US General 2018
Family Reach Foundation $13,800 Parsippany, NJ, US General 2018
Hbs Fund For Leadership & Innovation $200,000 Boston, MA, US General 2018
Lexington Montessori School $3,200 Lexington, MA, US General 2018
Lexington Montessori School $25,000 Lexington, MA, US General 2018
Mayo Clinic $1,000 Scottsdale, AZ, US General 2018
Sandbox Innovation Fund $50,000 Cambridge, MA, US General 2018
Side-out Foundation $100 Fairfax, VA, US General 2018
Boston Children's Hospital $2,650 Boston, MA, US General 2017
Boston Children's Hospital $100,000 Boston, MA, US General 2017
Dinner For Yawkey Way House - Roche Brothers $214 Boston, MA, US General 2017
Dinner For Yawkey Way House - Roche Brothers $214 Boston, MA, US General 2017
Dinner For Yawkey Way House - Roche Brothers $217 Boston, MA, US General 2017
Dinner For Yawkey Way House - Roche Brothers $217 Boston, MA, US General 2017
Dinner For Yawkey Way House - Roche Brothers $214 Boston, MA, US General 2017
Dinner For Yawkey Way House - Roche Brothers $217 Boston, MA, US General 2017
Dinner For Yawkey Way House - Roche Brothers $217 Boston, MA, US General 2017
Dinner For Yawkey Way House - Roche Brothers $217 Boston, MA, US General 2017
Dinner For Yawkey Way House - Roche Brothers $217 Boston, MA, US General 2017
Dinner For Yawkey Way House - Roche Brothers $217 Boston, MA, US General 2017
Dinner For Yawkey Way House - Roche Brothers $217 Boston, MA, US General 2017
Harvard Business School $200,000 Boston, MA, US General 2017
Lexington Montessori School $4,000 Lexington, MA, US General 2017
Lms Fund To Preserve The Lms Woods $25,000 Lexington, MA, US General 2017
Massachusetts Institute Of Technology $200,000 Cambridge, MA, US General 2017
Massachusetts Institute Of Technology $50,000 Cambridge, MA, US General 2017
Pan Mass Challenge $1,000 Needham, MA, US General 2017
Boston Children's Hospital $100,000 Boston, MA, US Nursing Inquiry 2016
Dinner For Yawkey Way House - Roche Brothers $2,981 Boston, MA, US General 2016
Family Reach Foundation $12,500 Parsippany, NJ, US General 2016
Lexington Montessori School $50,000 Lexington, MA, US General 2016
Massachusetts Institute Of Technology $250,000 Cambridge, MA, US General 2016
Pan Mass Challenge $1,000 Needham, MA, US General 2016
Harvard Business School $200,000 Boston, MA, US General 2016
Junior Achievement Of Kansas City $1,200 Kansas City, MO, US General 2016

Foundations Similar to The Mountz Family Foundation

Discover 5 foundations with comparable assets ($17,482,000,476-$78,673,465,696), similar grant patterns, and geographic focus in MA 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

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EIN: 98-6038021
$54,230,100,300
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see full profile
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0%
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EIN: 13-1684331 | 25502 grants awarded
$17,482,000,476
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Contact Information

Official contact details for The Mountz Family Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 46-1547058
Website N/A
Address CO GW WADE 93 WORCESTER STREET Wellesley, MA 02481-0000

Key People (2)

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

Trustee Michael Mountz
Trustee Tiffany Mountz

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 The Mountz Family 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 February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.