The Illinois State Capitol

Form 990-PFTax year 2025EIN 43-1847629

The Stribling Foundation Inc

A private foundation in Winnetka, IL. Its return for tax year 2025 lists 13 grants and $119,480 paid in grants.

Tax year 2025 (period ending Mar 31, 2026), 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

8 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $119,480

    Grants listed
    13
    Assets, end of year
    $1,979,166
  • Tax year 2024

    $104,350

    Grants listed
    13
    Assets, end of year
    $1,945,540
  • Tax year 2023

    $94,223

    Grants listed
    13
    Assets, end of year
    $1,845,868
  • Tax year 2022

    $84,100

    Grants listed
    10
    Assets, end of year
    $1,859,917
  • Tax year 2021

    $93,980

    Grants listed
    14
    Assets, end of year
    $1,968,320
  • Tax year 2020

    $16,864

    Grants listed
    3
    Assets, end of year
    $1,825,819
  • Tax year 2019

    $52,252

    Grants listed
    6
    Assets, end of year
    $1,758,992
  • Tax year 2018

    $19,343

    Grants listed
    6
    Assets, end of year
    $1,604,805

Grants paid in 2025

13 grants, largest first

As listed on the return.

  1. Missouri Military AcademyMexico, MO

    Charitable donation

    $25,000
  2. Washington UniversitySt Louis, MO

    Joseph c koster memorial fund

    $20,000
  3. American Red CrossMexico, MO

    Charitable donation

    $10,000
  4. Boy Scouts of AmericaColumbia, MO

    Charitable donation

    $10,000
  5. United Way of Audrain CountyMexico, MO

    Charitable donation

    $10,000
  6. Wounded Warrior ProjectJacksonville, FL

    Charitable donation

    $10,000
  7. Habitat for HumanityMexico, MO

    Charitable donation

    $5,000
  8. Mexico Area Family YMCAMexico, MO

    Charitable donation

    $5,000
  9. Mexico Parks FoundationMexico, MO

    Charitable donation

    $5,000
  10. Presser Hall Performing Arts CenterMexico, MO

    Charitable donation

    $5,000
  11. The Food Bank of Central and NWColumbia, MO

    Charitable donation

    $5,000
  12. Handi-Shop IncMexico, MO

    Charitable donation

    $5,000
  13. Missouri Military AcademyMexico, MO

    Mexico community scholarship

    $4,480

Where the money goes

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

  1. Education3 grants $49,48062% of the total
  2. Human services2 grants $15,00019% of the total
  3. Youth development1 grant $10,00013% of the total
  4. Sports and recreation1 grant $5,0006% of the total

By State

Grants to organizations with a US address, latest year.

  1. Missouri12 grants $109,480
  2. Kansas1 grant $10,000

Officers, directors and trustees

3 people as filed

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

  • Ann Koster AntoniouDIRECTOR Hours 0Pay $0
  • R Stribling KosterPRESIDENT/SEC/TREAS Hours 0Pay $0
  • Winifred Runge StriblingDIRECTOR Hours 0Pay $0

The return

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