Data / Foundation grants / The Mathenaeum Foundation
The Mathenaeum Foundation: 12 grants to organizations, $533,597 (tax year ended December 2024)
The Mathenaeum Foundation, a private foundation in Wilmington, DE, paid 12 grants to organizations totaling $533,597 in its tax year ended December 2024, according to its Form 990-PF filed with the IRS on November 14, 2025. The largest was $100,000 to Stony Brook Foundation Inc in Stony Brook, NY for this grant is designated for math for america, restricted to math for america's cohort project program.
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- EIN
- 263372190
- Based in
- Wilmington, DE
- Assets
- $10,161,899
- Grants paid
- $533,597
- Tax year ended
- December 2024
Grants paid, tax year ended December 2024
From the Form 990-PF filed November 14, 2025, IRS object ID 202503189349102805. It reported $533,597 in grants paid; 12 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Stony Brook Foundation Inc | Stony Brook, NY | This grant is designated for Math for America, restricted to Math for America's Cohort Project program | Education | $100,000 | apps.irs.gov |
| Math Cultural Center of Chicago | Chicago, IL | General & Unrestricted | Arts, culture and humanities | $91,597 | apps.irs.gov |
| Every Org | San Francisco, CA | The Prison Math Project | Philanthropy, voluntarism and grantmaking foundations | $72,000 | apps.irs.gov |
| Society for Science and the Public | Washington, DC | to support mathematics coverage in Science News, broadly along the lines of the Society for Science proposal to the Mathenaeum Foundation | Science and technology | $60,000 | apps.irs.gov |
| St Lawrence University | Canton, NY | to support the Illustration Apprenticeships program of Illustration as a Mathematical Research Technique semester, with St. Lawrence University as Financial Administrator | Education | $50,000 | apps.irs.gov |
| Stony Brook Foundation Inc | Stony Brook, NY | This grant is designated for Math for America for the general support of Math for America | Education | $40,000 | apps.irs.gov |
| Seattle Universal Math Museum | Seattle, WA | to support the development and operation of in-house programs to serve the local community | Arts, culture and humanities | $30,000 | apps.irs.gov |
| Seattle Universal Math Museum | Seattle, WA | Executive Director Employment Fund | Arts, culture and humanities | $25,000 | apps.irs.gov |
| Society for Science and the Public | Washington, DC | to support mathematics coverage in Science News | Science and technology | $25,000 | apps.irs.gov |
| Girls Angle Inc | Cambridge, MA | General & Unrestricted | Education | $15,000 | apps.irs.gov |
| Mathematical Association of America Incorporated | Washington, DC | anonymous support of Project NExT fellows | $15,000 | apps.irs.gov | |
| Seattle Universal Math Museum | Seattle, WA | General & Unrestricted | Arts, culture and humanities | $10,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Education | $205,000 |
| Arts, culture and humanities | $156,597 |
| Science and technology | $85,000 |
| Philanthropy, voluntarism and grantmaking foundations | $72,000 |
States funded
| Recipient state | Granted |
|---|---|
| New York | $190,000 |
| District of Columbia | $100,000 |
| Illinois | $91,597 |
| California | $72,000 |
| Washington | $65,000 |
| Massachusetts | $15,000 |
Also on SpecStream
- Who funds education in New York
- Who funds arts, culture and humanities in Illinois
- Who funds science and technology in District of Columbia
- Who funds philanthropy, voluntarism and grantmaking foundations in California
- Who funds arts, culture and humanities in Washington
- Who funds education in Massachusetts
Updated November 14, 2025. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.