The Stribling Foundation Inc
The Stribling Foundation Inc is a private foundation based in Winnetka, Illinois. Its 2026 filing reports 13 grants totaling $119,480 to charitable organizations, with most grant dollars going to recipients in Missouri.
The Stribling Foundation Inc at a glance
In short: The Stribling Foundation Inc gave $119K across 13 grants in 2026 (avg $9K), mostly in Missouri. 8% of 2026 grantees were new. Source: 2026 IRS Form 990-PF.
- Annual giving (2026)
- $119,480
- +14.5% vs 2025
- Grants made (2026)
- 13
- +0.0% vs 2025
- Average grant
- $9,191
- +14.5% vs 2025
- Median grant
- $5,000
- Total assets
- $1,979,166
- +1.7% vs 2025
- New grantees (estimate)
- 8% first-time grantees (1 of 12, 2026; small sample)
- Primary geography
- Missouri (92% of itemized 2026 grant dollars)
- Latest 990 filing
- Form 990-PF, 2026 View filing
Data from IRS Form 990-PF, 2026; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to The Stribling Foundation Inc
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 801 Bryant Ave, Winnetka, IL 60093
Phone: (312) 876-8821
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Stribling Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2026
The largest 2026 recipient was Missouri Military Academy ($29K across 2 grants). Together the top 10 received $109K.
Grant Size Distribution
63 grants across all recorded years
The most common grant size was under $50K: 63 grants of 63 (100%).
Geographic Focus
Where this funder awards grants
In filing year 2026, 92% of grant dollars went to recipients in Missouri and 8% to recipients in Kansas.
Grant Distribution by State
Share of 2026 grant dollars across all 13 itemized grants.
Cities
Is The Stribling Foundation Inc open to new grantees?
8%
first-time grantees, 2026
In 2026, 1 of 12 grantees (8%) were first-time recipients. With only 12 grantees, that is a small sample: one grantee more or less moves the share by about 8 points. First grants averaged $5K; repeat grants $10K. How we count
Medians: $5K first-time, $10K repeat.
- 92% of 2026 grantees were also funded in 2025. Method
- Giving grew 42% from 2023 to 2026. Method
- In 2026 it paid out 118% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2026). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2026, annual grant giving ranged from $17K (2021) to $119K (2026). In 2026 it made 13 grants totaling $119K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Missouri Military Academy Mexico, MO | Charitable Donation | $25,000 |
| Washington University St. Louis, MO | Joseph C Koster Memorial Fund | $20,000 |
| American Red Cross Mexico, MO | Charitable Donation | $10,000 |
| Boy Scouts of America Columbia, MO | Charitable Donation | $10,000 |
| United Way of Audrain County Mexico, MO | Charitable Donation | $10,000 |
| Wounded Warrior Project Topeka, KS | Charitable Donation | $10,000 |
| Habitat for Humanity Mexico, MO | Charitable Donation | $5,000 |
| Mexico Area Family YMCA Mexico, MO | Charitable Donation | $5,000 |
| Mexico Parks Foundation Mexico, MO | Charitable Donation | $5,000 |
| Presser Hall Performing Arts Center Mexico, MO | Charitable Donation | $5,000 |
Ready to take the next step with The Stribling Foundation Inc?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2026 | $1,979,166 | $194,273 | $137,791 | $119,480 | 13 | $119,480 | $175,962 | $101,126 |
| 2025 | $1,945,540 | $221,572 | $121,900 | $104,350 | 13 | $104,350 | $80,048 | $95,420 |
| 2024 | $1,845,868 | $95,840 | $109,889 | $94,223 | 13 | $94,223 | $54,648 | $97,332 |
| 2023 | $1,859,917 | $-6,758 | $101,645 | $84,100 | 10 | $84,100 | $20,417 | $99,025 |
| 2022 | $1,968,320 | $253,165 | $110,664 | $93,980 | 14 | $93,980 | $132,786 | $109,746 |
| 2021 | $1,825,819 | $100,361 | $33,534 | $16,864 | 3 | — | $66,585 | $71,155 |
| 2020 | $1,758,992 | $222,876 | $68,689 | $52,252 | 6 | — | $60,054 | $70,880 |
Under IRS private-foundation payout rules, The Stribling Foundation Inc reported a distributable amount of $101K for 2026 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2026 grants went to organizations including schools, youth-serving groups, community organizations, and charities. The grantees describe their own work in varied ways: Missouri Military Academy says it develops young men through academics, character and leadership training; the Boy Scouts of America says it prepares young people to make ethical and moral choices; and Handi-Shop says it provides meaningful, supportive employment for people with disabilities.
Habitat for Humanity describes its work as helping people achieve homeownership and preserve or repair homes. Mexico Area Family YMCA describes itself as a charitable community service organization dedicated to building strong children, families and communities.
Grantmaking
In filing year 2026, the foundation reported 13 grants totaling $119,480. Grants ranged from $4,480 to $25,000, with a median of $5,000.
Among the largest reported grants were $25,000 to Missouri Military Academy for a charitable donation; $20,000 to Washington University for the Joseph C. Koster Memorial Fund; and $10,000 each to the American Red Cross, Boy Scouts of America, United Way of Audrain County, and Wounded Warrior Project. Other reported grants included $5,000 each to Habitat for Humanity, Mexico Area Family YMCA, Mexico Parks Foundation, Presser Hall Performing Arts Center, The Food Bank of Central and Northwest Missouri, and Handi-Shop Inc.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2026 filing lists Ann Koster Antoniou as director, R Stribling Koster as president/secretary/treasurer, and Winifred Runge Stribling as director.
The Stribling Foundation Inc is led by R. Stribling Koster, President, Secretary & Treasurer since 2026 (on filings since 2020); none of the 3 officers listed in 2026 report compensation.
Officers on the 2026 filing
R. Stribling Koster
President, Secretary & Treasurer
President & Secretary → President, Secretary & Treasurer, 2026
On filings since 2020
No compensation reported
Ann Koster Antoniou
Director
On filings since 2020
No compensation reported
Winifred Runge Stribling
Director
On filings since 2020
No compensation reported
Data from IRS Form 990 filings, 2020–2026. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about The Stribling Foundation Inc
How much does The Stribling Foundation Inc give each year?
The Stribling Foundation Inc gave $119K across 13 grants in 2026, according to its 2026 IRS Form 990-PF. In 2025 it gave $104K across 13 grants.
What is The Stribling Foundation Inc's typical grant size?
The Stribling Foundation Inc's median grant in 2026 was $5,000, and its average grant was $9,191, across 13 grants on its 2026 IRS Form 990-PF. Organizations receiving their first grant from The Stribling Foundation Inc that year got $5K on average.
Where does The Stribling Foundation Inc give grants?
The Stribling Foundation Inc gives mostly in Missouri: 92% of the grant dollars itemized on its 2026 IRS Form 990-PF went to recipients there. The next largest state was Kansas (8%). The most frequent recipient cities were Mexico, MO (9 grants) and Columbia, MO (2 grants).
Does The Stribling Foundation Inc give general operating support?
Not in 2026: none of the 13 grants with a stated purpose on The Stribling Foundation Inc's 2026 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable Donation" (11 grants).
Who are The Stribling Foundation Inc's largest grantees?
The Stribling Foundation Inc's largest 2026 grantees include Missouri Military Academy ($29,480 across 2 grants), Washington University ($20,000) and American Red Cross ($10,000), according to its 2026 IRS Form 990-PF. Together they received 50% of its itemized 2026 grant dollars.
How large is The Stribling Foundation Inc?
The Stribling Foundation Inc reported $2.0M in total assets on its 2026 IRS Form 990-PF. It paid out $119K in qualifying distributions that year, against a required minimum of $101K (roughly 5% of its investment assets).
What does The Stribling Foundation Inc fund?
No mission statement for the foundation is provided. Its 2026 grants went to organizations including schools, youth-serving groups, community organizations, and charities. See mission & focus areas ↑
How do I apply for a grant from The Stribling Foundation Inc?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Stribling Foundation Inc's EIN?
The Stribling Foundation Inc's EIN (Employer Identification Number) is 43-1847629. IRS Form 990 filing data is available on this page for 2020–2026.
Does The Stribling Foundation Inc accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS August 20, 2020)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS July 6, 2021)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS August 9, 2022)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS June 15, 2023)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS July 25, 2024)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS September 2, 2025)
- Added Form 990-PF for fiscal year 2026 (received by the IRS July 30, 2026)
- IRS filings on file for fiscal years 2020–2025
Explore Open Grants
Browse active grant opportunities in The Stribling Foundation Inc's focus areas in our free grants database
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Cite this profile
Grantable. (2026). The Stribling Foundation Inc funder profile. GrantGraph. Retrieved October 10, 2026, from https://grantable.co/funders/the-stribling-foundation-inc-morg_fe7da227135f4879a2bb212e39569bdc
BibTeX
@misc{grantable_431847629_2026,
author = {{Grantable}},
title = {{The Stribling Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-stribling-foundation-inc-morg_fe7da227135f4879a2bb212e39569bdc},
note = {Accessed 2026-10-10. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from The Stribling Foundation Inc's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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