The Mathenaeum Foundation | Foundation Profile

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

EIN: 26-3372190

Foundation Overview

Based in Wilmington, DE, The Mathenaeum Foundation has awarded 71 grants totaling $2,593,307 to organizations in New York, Massachusetts and 10 other states, plus international recipients. Individual grants range from $475 to $222,500, with a median award of $20,000.

Latest Tax Year
2024
Total Giving (all years)
$2,593,307
Total Assets
$10,161,899
Median Grant (all grants)
$20,000

Latest Form 990-PF Snapshot

Total Grants
12
Median Grant
$35,000
% Median Grant Growth
+75% (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
Balanced Approach: 42%

5 of 12 recipients (42%) were new grantees. Foundation maintains loyal partnerships while remaining open to qualified new applicants with strong proposals.

Geographic Focus
District of Columbia

Grants are geographically diversified with 20% in District of Columbia and funding distributed across 14 total locations. This foundation values broad geographic impact and diverse community partnerships. Within District of Columbia, funding concentrates in Washington (100%).

Funding Trajectory
+7015%

Strong 7015% growth in annual giving over 7 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.

Program Areas
General Purposes + 2 others

Diversified giving across multiple program areas with primary emphasis on general purposes (59%). 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 Mathenaeum 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
Every Org $72,000 San Francisco, CA, US The Prison Math Project 2024
Girls Angle Inc $15,000 Cambridge, MA, US General & Unrestricted 2024
Math Cultural Center Of Chicago $91,597 Chicago, IL, US General & Unrestricted 2024
Mathematical Association Of America Incorporated $15,000 Washington, DC, US Anonymous Support Of Project Next Fellows 2024
Seattle Universal Math Museum $10,000 Seattle, WA, US General & Unrestricted 2024
Seattle Universal Math Museum $30,000 Seattle, WA, US To Support The Development And Operation Of In-house Programs To Serve The Local Community 2024
Seattle Universal Math Museum $25,000 Seattle, WA, US Executive Director Employment Fund 2024
Society For Science And The Public $60,000 Washington, DC, US To Support Mathematics Coverage In Science News, Broadly Along The Lines Of The Society For Science Proposal To The Mathenaeum Foundation 2024
Society For Science And The Public $25,000 Washington, DC, US To Support Mathematics Coverage In Science News 2024
St Lawrence University $50,000 Canton, NY, US To Support The Illustration Apprenticeships Program Of Illustration As A Mathematical Research Technique Semester, With St. Lawrence University As Financial Administrator 2024
Stony Brook Foundation Inc $100,000 Stony Brook, NY, US This Grant Is Designated For Math For America, Restricted To Math For America's Cohort Project Program 2024
Stony Brook Foundation Inc $40,000 Stony Brook, NY, US This Grant Is Designated For Math For America For The General Support Of Math For America 2024
Center For Disaster Philanthropy Inc $75,000 Washington, DC, US Ukraine Humanitarian Crisis Recovery Fund 2023
Girls Angle Inc $15,000 Cambridge, MA, US General & Unrestricted 2023
Impactstory $50,000 Sanford, NC, US General & Unrestricted 2023
Mathematical Association Of America Incorporated $15,000 Washington, DC, US Anonymous Sponsorship Of Project Next Fellows 2023
Mathsworlduk $31,868 Leeds, Foreign, UK Expenditure Responsibility Grant 2023
National Association Of Mathematicians Incorporate $15,000 Atlanta, GA, US General & Unrestricted 2023
National Organization Of Gay And Lesbian Scientist $10,000 Pasadena, CA, US Spectra, The Association Of Lgbtq+ Mathematicians 2023
Old Westbury College Foundation Inc $2,500 Old Westbury, NY, US Institute For Creative Problem Solving 2023
President & Fellows Of Harvard College $43,000 Cambridge, MA, US Math Dept. Chair's Fund 2023
Prison Mathematics Project Inc $60,000 Phoenix, AZ, US Public And Participant Outreach And Communication And General Operating Support 2023
Ronald Mcdonald House Charities New York Metro Inc $98,731 New Hyde Park, NY, US General & Unrestricted 2023
Seattle Universal Math Museum $475 Mercer Island, WA, US General & Unrestricted 2023
Seattle Universal Math Museum $222,500 Mercer Island, WA, US Director's Compensation Fund, Studio Infinity Programs, And General Support 2023
Seattle Universal Math Museum $25,000 Mercer Island, WA, US Executive Director Employment Fund 2023
Talkstem $15,000 Dallas, TX, US General & Unrestricted 2023
University Of Southern California $50,000 Los Angeles, CA, US Usc Math For America Los Angeles 2023
Venice Heritage Foundation $15,000 Venice, CA, US General & Unrestricted 2023
Young Peoples Project Inc $10,000 Cambridge, MA, US General & Unrestricted 2023
Art Of Problem Solving Initiative Inc $6,561 New York, NY, US General & Unrestricted 2022
Fannie And John Hertz Foundation $6,250 Pleasanton, CA, US General & Unrestricted 2022
Girls Angle Inc $11,010 Cambridge, MA, US General & Unrestricted 2022
Mathematical Association Of America Incorporated $8,000 Washington, DC, US Project Next 2022
Mathsworlduk $61,839 Leeds, Foreign, UK Expenditure Responsibility Grant 2022
Prison Mathematics Project Inc $25,000 Phoenix, AZ, US Public And Participant Outreach And Communication 2022
Ross Mathematics Foundation $14,641 Columbus, OH, US Ross Endowment Fund 2022
Seattle Universal Math Museum $20,000 Mercer Island, WA, US General & Unrestricted 2022
Seattle Universal Math Museum $25,000 Mercer Island, WA, US The Recruitment And Hiring Of Summ's New Executive Director 2022
Society For Science And The Public $116,000 Washington, DC, US Expand And Enhance Mathematics Coverage In Science News For An Eighteen-month Period 2022
Society For Science And The Public $15,000 Washington, DC, US General & Unrestricted 2022
Art Of Problem Solving Initiative Inc $6,561 New York, NY, US General & Unrestricted 2022
Fannie And John Hertz Foundation $6,250 Pleasanton, CA, US General & Unrestricted 2022
Girls Angle Inc $11,010 Cambridge, MA, US General & Unrestricted 2022
Mathematical Association Of America Incorporated $8,000 Washington, DC, US Project Next 2022
Mathsworlduk $61,839 Leeds, Foreign, UK Expenditure Responsibility Grant 2022
Prison Mathematics Project Inc $25,000 Phoenix, AZ, US Public And Participant Outreach And Communication 2022
Ross Mathematics Foundation $14,641 Columbus, OH, US Ross Endowment Fund 2022
Seattle Universal Math Museum $20,000 Mercer Island, WA, US General & Unrestricted 2022
Seattle Universal Math Museum $25,000 Mercer Island, WA, US The Recruitment And Hiring Of Summ's New Executive Director 2022
Society For Science And The Public $116,000 Washington, DC, US Expand And Enhance Mathematics Coverage In Science News For An Eighteen-month Period 2022
Society For Science And The Public $15,000 Washington, DC, US General & Unrestricted 2022
Art Of Problem Solving Initiative Inc $6,561 New York, NY, US General & Unrestricted 2022
Fannie And John Hertz Foundation $6,250 Pleasanton, CA, US General & Unrestricted 2022
Girls Angle Inc $11,010 Cambridge, MA, US General & Unrestricted 2022
Mathematical Association Of America Incorporated $8,000 Washington, DC, US Project Next 2022
Mathsworlduk $61,839 Leeds, Foreign, UK Expenditure Responsibility Grant 2022
Prison Mathematics Project Inc $25,000 Phoenix, AZ, US Public And Participant Outreach And Communication 2022
Ross Mathematics Foundation $14,641 Columbus, OH, US Ross Endowment Fund 2022
Seattle Universal Math Museum $20,000 Mercer Island, WA, US General & Unrestricted 2022
Seattle Universal Math Museum $25,000 Mercer Island, WA, US The Recruitment And Hiring Of Summ's New Executive Director 2022
Society For Science And The Public $116,000 Washington, DC, US Expand And Enhance Mathematics Coverage In Science News For An Eighteen-month Period 2022
Society For Science And The Public $15,000 Washington, DC, US General & Unrestricted 2022
Art Of Problem Solving Initiative Inc $5,000 New York, NY, US The Bridge To Enter Advanced Mathematics Program 2021
Girls Angle Inc $10,000 Cambridge, MA, US General & Unrestricted 2021
Ross Mathematics Foundation $100,000 Columbus, OH, US Ross Endowment Fund 2021
The Oeis Foundation Inc $125,000 Highland Park, NJ, US The Grant Funds Shall Be Managed By The Grantee As An Endowment Fund 2021
Mathsworlduk $23,466 Leeds, N/A, UK Expenditure Responsibility Grant 2020
Mathsworlduk $79,967 Leeds, N/A, UK Expenditure Responsibility Grant 2018
West Contra Costa Public Education Fund $26,800 Pt Richmond, CA, US Golden Gate Stem Fair 2018
Girls Angle Inc $7,500 Cambridge, MA, US General & Unrestricted 2017

Foundations Similar to The Mathenaeum Foundation

Discover 5 foundations with comparable assets ($9,812,645-$10,456,690), similar grant patterns, and geographic focus in DE 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: 46-1637982 | 81 grants awarded
$10,152,268
(≈ Similar)
$10,000
median grant
Wilmington, DE
Same state
100%
Excellent match

EIN: 87-2690479 | 169 grants awarded
$10,134,906
(≈ Similar)
$10,000
median grant
Wilmington, DE
Same state
100%
Excellent match

EIN: 87-2754682 | 36 grants awarded
$10,115,448
(≈ Similar)
$15,000
median grant
Wilmington, DE
Same state
100%
Excellent match

EIN: 87-0885857 | 23 grants awarded
$10,456,690
(≈ Similar)
$25,000
median grant
Wilmington, DE
Same state
99%
Excellent match

EIN: 82-3069246 | 14 grants awarded
$9,812,645
(≈ Similar)
$27,500
median grant
Wilmington, DE
Same state
98%
Excellent match

Contact Information

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

EIN 26-3372190
Website N/A
Address FOUNDATION SOURCE 501 SILVERSIDE RD Wilmington, DE 19809-0000

Key People (1)

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

Pres, Dir, Sec Glen T Whitney

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 Mathenaeum 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.