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Form 990-PFTax year 2024EIN 26-3372190

The Mathenaeum Foundation

A private foundation in Wilmington, DE. Its return for tax year 2024 lists 12 grants and $533,597 paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2024 (period ending Dec 31, 2024), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

7 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2024

    $533,597

    Grants listed
    12
    Assets, end of year
    $10,019,132

  • Tax year 2023

    $754,074

    Grants listed
    18
    Assets, end of year
    $9,926,875

  • Tax year 2022

    $309,301

    Grants listed
    11
    Assets, end of year
    $9,677,793

  • Tax year 2021

    $240,000

    Grants listed
    4
    Assets, end of year
    $9,899,644

  • Tax year 2020

    $23,466

    Grants listed
    1
    Assets, end of year
    $10,044,847

  • Tax year 2019

    $158,987

    Grants listed
    3
    Assets, end of year
    $9,777,431

  • Tax year 2018

    $106,767

    Grants listed
    2
    Assets, end of year
    $9,643,361

Grants paid in 2024

12 grants, largest first

As listed on the return.

  1. Stony Brook Foundation IncStony Brook, NY

    This grant is designated for Math for America, restricted to Math for America's Cohort Project program

    $100,000
  2. Math Cultural Center of ChicagoChicago, IL

    General & Unrestricted

    $91,597
  3. Every OrgSan Francisco, CA

    The Prison Math Project

    $72,000
  4. Society for Science and the PublicWashington, DC

    to support mathematics coverage in Science News, broadly along the lines of the Society for Science proposal to the Mathenaeum Foundation

    $60,000
  5. St Lawrence UniversityCanton, NY

    to support the Illustration Apprenticeships program of Illustration as a Mathematical Research Technique semester, with St. Lawrence University as Financial Administrator

    $50,000
  6. Stony Brook Foundation IncStony Brook, NY

    This grant is designated for Math for America for the general support of Math for America

    $40,000
  7. Seattle Universal Math MuseumSeattle, WA

    to support the development and operation of in-house programs to serve the local community

    $30,000
  8. Seattle Universal Math MuseumSeattle, WA

    Executive Director Employment Fund

    $25,000
  9. Society for Science and the PublicWashington, DC

    to support mathematics coverage in Science News

    $25,000
  10. Girls Angle IncCambridge, MA

    General & Unrestricted

    $15,000
  11. Mathematical Association of America IncorporatedWashington, DC

    anonymous support of Project NExT fellows

    $15,000
  12. Seattle Universal Math MuseumSeattle, WA

    General & Unrestricted

    $10,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Education4 grants $205,00040% of the total
  2. Arts and culture4 grants $156,59730% of the total
  3. Science and technology2 grants $85,00016% of the total
  4. Philanthropy and grantmaking1 grant $72,00014% of the total

By State

Grants to organizations with a US address, latest year.

  1. New York3 grants $190,000
  2. District of Columbia3 grants $100,000
  3. Illinois1 grant $91,597
  4. California1 grant $72,000
  5. Washington3 grants $65,000
  6. Massachusetts1 grant $15,000

Officers, directors and trustees

1 person as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Glen T WhitneyPres, Dir, Sec Hours 1Pay $0

The return

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