The Carlos & Marguerite Mason Fdn | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like The Carlos & Marguerite Mason Fdn. Data shown is extracted from Form 990-PF filings.

EIN: 58-1996431

Foundation Overview

Based in Saint Louis, MO, The Carlos & Marguerite Mason Fdn has awarded 69 grants totaling $40,512,014 to organizations in Georgia and New York. Individual grants range from $25,000 to $2,300,000, with a median award of $425,000.

Latest Tax Year
2024
Total Giving (all years)
$40,512,014
Total Assets
$127,385,778
Median Grant (all grants)
$425,000

Latest Form 990-PF Snapshot

Total Grants
10
Median Grant
$375,000
% Median Grant Growth
+15% (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
Balanced Approach: 50%

5 of 10 recipients (50%) were new grantees. Foundation maintains loyal partnerships while remaining open to qualified new applicants with strong proposals.

Geographic Focus
Georgia

99% of all grants are concentrated in Georgia, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within Georgia, funding concentrates in Atlanta (53%), Chamblee (12%), Athens (10%).

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
Community Projects + 3 others

Diversified giving across multiple program areas with primary emphasis on community projects (46%). This broad approach suggests openness to various causes and innovative cross-sector solutions.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into The Carlos & Marguerite Mason Fdn'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
Childrens Healthcare Of Atlanta Inc $500,000 Atlanta, GA, US General Operating 2024
The Georgia Health Sciences Foundation $250,000 New York, NY, US General Operating 2024
Enduring Hearts Inc $100,000 Marietta, GA, US General Operating 2024
Emory University $400,000 Atlanta, GA, US General Operating 2024
Atlanta Ronald Mcdonald House Charities $500,000 Atlanta, GA, US Adopt A Family Program 2024
University Of Georgia Research Foundatio $650,000 Athens, GA, US General Support 2024
Angel Flight Soars Inc $150,000 Chamblee, GA, US General Support 2024
Childrens Healthcare Of Atlanta $350,000 Atlanta, GA, US Various Healthcare Programs 2024
Georgia Transplant Foundation Inc $2,050,000 Roswell, GA, US Financial Assistance 2024
Augusta University Foundation Inc $150,000 Augusta, GA, US General Operating 2024
Georgia Health Sciences Library $325,000 Atlanta, GA, US General Operating 2023
Atlanta Ronald Mcdonald House $30,000 Atlanta, GA, US Adopt A Family Program 2023
University Of Georgia Research Foundatio $650,000 Athens, GA, US General Support 2023
Angel Flight Soars Inc $123,000 Chamblee, GA, US General Support 2023
Children's Healthcare Of Atlanta $1,100,000 Atlanta, GA, US Various Healthcare Programs 2023
Georgia Transplant Foundation $2,300,000 Atlanta, GA, US Financial Assistance 2023
Augusta University Foundation Inc $72,000 Augusta, GA, US General Operating 2023
Georgia Health Sciences Library $325,000 Atlanta, GA, US General Operating 2023
Atlanta Ronald Mcdonald House $30,000 Atlanta, GA, US Adopt A Family Program 2023
University Of Georgia Research Foundatio $650,000 Athens, GA, US General Support 2023
Angel Flight Soars Inc $123,000 Chamblee, GA, US General Support 2023
Children's Healthcare Of Atlanta $1,100,000 Atlanta, GA, US Various Healthcare Programs 2023
Georgia Transplant Foundation $2,300,000 Atlanta, GA, US Financial Assistance 2023
Augusta University Foundation Inc $72,000 Augusta, GA, US General Operating 2023
Georgia Health Sciences $425,000 August, GA, US Kidney Transplant Programs 2022
Enduring Hearts Inc $120,000 Marietta, GA, US General Support 2022
Emory University $525,000 Atlanta, GA, US General Support 2022
Piedmont Healthcare Foundation Inc $800,000 Atlanta, GA, US General Support 2022
Atlanta Ronald Mcdonald House $30,000 Atlanta, GA, US Adopt A Family Program 2022
University Of Georgia Research Foundatio $800,000 Athens, GA, US General Support 2022
Angel Flight Soars Inc $100,000 Chamblee, GA, US General Support 2022
Children's Healthcare Of Atlanta $1,000,000 Atlanta, GA, US Various Healthcare Programs 2022
Georgia Transplant Foundation $1,900,000 Atlanta, GA, US Financial Assistance 2022
Georgia Health Sciences $425,000 August, GA, US Kidney Transplant Programs 2022
Enduring Hearts Inc $120,000 Marietta, GA, US General Support 2022
Emory University $525,000 Atlanta, GA, US General Support 2022
Piedmont Healthcare Foundation Inc $800,000 Atlanta, GA, US General Support 2022
Atlanta Ronald Mcdonald House $30,000 Atlanta, GA, US Adopt A Family Program 2022
University Of Georgia Research Foundatio $800,000 Athens, GA, US General Support 2022
Angel Flight Soars Inc $100,000 Chamblee, GA, US General Support 2022
Children's Healthcare Of Atlanta $1,000,000 Atlanta, GA, US Various Healthcare Programs 2022
Georgia Transplant Foundation $1,900,000 Atlanta, GA, US Financial Assistance 2022
Georgia Health Sciences $425,000 August, GA, US Kidney Transplant Programs 2022
Enduring Hearts Inc $120,000 Marietta, GA, US General Support 2022
Emory University $525,000 Atlanta, GA, US General Support 2022
Piedmont Healthcare Foundation Inc $800,000 Atlanta, GA, US General Support 2022
Atlanta Ronald Mcdonald House $30,000 Atlanta, GA, US Adopt A Family Program 2022
University Of Georgia Research Foundatio $800,000 Athens, GA, US General Support 2022
Angel Flight Soars Inc $100,000 Chamblee, GA, US General Support 2022
Children's Healthcare Of Atlanta $1,000,000 Atlanta, GA, US Various Healthcare Programs 2022
Georgia Transplant Foundation $1,900,000 Atlanta, GA, US Financial Assistance 2022
Georgia Health Sciences $525,000 August, GA, US Kidney Transplant Programs 2021
Enduring Hearts Inc $120,000 Marietta, GA, US General Operating 2021
Piedmont Healthcare Foundation Inc $800,000 Atlanta, GA, US General Support 2021
Atlanta Ronald Mcdonald House $50,000 Atlanta, GA, US Adopt A Family Program 2021
Children's Healthcare Of Atlanta $100,000 Atlanta, GA, US Various Healthcare Programs 2021
Georgia Transplant Foundation $2,000,000 Atlanta, GA, US Financial Assistance 2021
Emory University $790,000 Atlanta, GA, US Scholarship 2021
Angel Flight Soars Inc $75,000 Chamblee, GA, US General Operating 2021
The University Of Georgia $953,795 Athens, GA, US Scholarship 2020
Georgia Health Sciences $465,000 August, GA, US Kidney Transplant Programs 2020
Enduring Hearts Inc $50,000 Marietta, GA, US General Operating 2020
Atlanta Ronald Mcdonald House $25,000 Atlanta, GA, US Adopt A Family Program 2020
Children's Healthcare Of Atlanta $150,000 Atlanta, GA, US Various Healthcare Programs 2020
Georgia Transplant Foundation $2,000,000 Atlanta, GA, US Financial Assistance 2020
Emory University $780,000 Atlanta, GA, US Scholarship 2020
Augusta University $128,219 Augusta, GA, US Scholarship 2020
Jeffrey Campbell Evans Foundation Inc $25,000 Ball Ground, GA, US General Operating 2020
Angel Flight Soars Inc $75,000 Chamblee, GA, US General Operating 2020

Foundations Similar to The Carlos & Marguerite Mason Fdn

Discover 5 foundations with comparable assets ($64,598,603-$159,119,481), similar grant patterns, and geographic focus in MO 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: 83-3505324 | 39 grants awarded
$96,023,826
(↓ Smaller)
$300,000
median grant
Columbia, MO
Same state
90%
Excellent match

EIN: 43-1369856 | 103 grants awarded
$95,860,575
(↓ Smaller)
$300,000
median grant
Lebanon, MO
Same state
90%
Excellent match

EIN: 58-6255314 | 27 grants awarded
$159,119,481
(↑ Larger)
$801,902
median grant
Saint Louis, MO
Same state
90%
Excellent match

EIN: 22-6395303 | 80 grants awarded
$64,598,603
(↓ Smaller)
$300,000
median grant
Saint Louis, MO
Same state
77%
Good match

EIN: 36-4296414 | 243 grants awarded
$126,711,954
(≈ Similar)
$250,000
median grant
Chicago, IL
72%
Good match

Contact Information

Official contact details for The Carlos & Marguerite Mason Fdn as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 58-1996431
Website N/A
Address 6325 S RAINBOW BLVD STE 300 Las Vegas, NV 89118-0000

Key People (1)

Board members, trustees, and key staff who oversee The Carlos & Marguerite Mason Fdn's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Trustee Wells Fargo Bank N A

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 Carlos & Marguerite Mason Fdn 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.