Muriel and Seymour Thickman Family Foundation
The Muriel and Seymour Thickman Family Foundation is a private foundation based in Billings, Montana. In 2025, it made grants to charitable organizations, with most grant dollars going to recipients in Wyoming and the remainder to recipients in New York.
Muriel and Seymour Thickman Family Foundation at a glance
In short: Muriel and Seymour Thickman Family Foundation gave $272K across 23 grants in 2025 (avg $12K), mostly in Wyoming. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $271,800
- +23.0% vs 2024
- Grants made (2025)
- 23
- +4.5% vs 2024
- Average grant
- $11,817
- +17.6% vs 2024
- Median grant
- $10,000
- Total assets
- $5,583,635
- -0.9% vs 2024
- Primary geography
- Wyoming (87% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to Muriel and Seymour Thickman Family Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: PO Box 30918, Billings, MT 59116
Phone: (888) 791-4075
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Muriel and Seymour Thickman Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Sheridan Memorial Hospital Foundation ($50K). Together the top 10 received $200K.
Grant Size Distribution
106 grants across all recorded years
The most common grant size was under $50K: 105 grants of 106 (99%).
Geographic Focus
Where this funder awards grants
In 2025, 87% of grant dollars went to recipients in Wyoming and 13% to recipients in New York.
Grant Distribution by State
Share of 2025 grant dollars across all 23 itemized grants.
Cities
How Muriel and Seymour Thickman Family Foundation gives
- 78% of 2025 grantees were also funded in 2024. Method
- Giving grew 159% from 2022 to 2025. Method
- In 2025 it paid out 90% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2025). 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 2019 to 2025, annual grant giving ranged from $20K (2019) to $272K (2025). In 2025 it made 23 grants totaling $272K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Sheridan Memorial Hospital Foundation Sheridan, WY | Program Support | $50,000 |
| Piatigorsky Foundation New York, NY | Program Support | $35,000 |
| WYO Theatre Sheridan, WY | Program Support | $25,000 |
| The Brinton Museum Big Horn, WY | Program Support | $15,000 |
| Sage Community Arts Sheridan, WY | Program Support | $15,000 |
| Center for Vital Community Sheridan, WY | Program Support | $15,000 |
| The Hub on Smith Street Sheridan, WY | Program Support | $15,000 |
| Sheridan College Foundation Sheridan, WY | Support Concert and Theatre | $10,000 |
| Sheridan County YMCA Sheridan, WY | Program Support | $10,000 |
| Wyoming PBS Riverton, WY | Program Support | $10,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $5,583,635 | $284,088 | $333,346 | $271,800 | 23 | $285,477 | $190,812 | $318,470 |
| 2024 | $5,634,116 | $3,736,392 | $266,810 | $221,000 | 22 | $231,438 | $295,169 | $227,577 |
| 2023 | $2,201,938 | $88,054 | $144,536 | $119,500 | 19 | $126,176 | $67,128 | $122,498 |
| 2022 | $2,258,367 | $-9,306 | $132,780 | $105,000 | 20 | $111,772 | $35,765 | $124,678 |
| 2021 | $2,403,475 | $380,736 | $154,300 | $112,200 | 22 | $119,421 | $249,148 | $138,086 |
| 2020 | $2,177,521 | $630,918 | $152,093 | $127,000 | 15 | — | $614,508 | $105,757 |
| 2019 | $1,699,054 | $124,137 | $42,806 | $20,000 | 1 | — | $88,159 | $109,292 |
Under IRS private-foundation payout rules, Muriel and Seymour Thickman Family Foundation reported a distributable amount of $318K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The foundation’s own mission is not stated. Its 2025 grants included support for arts and cultural organizations, a hospital foundation, a YMCA, public media organizations, a college foundation, and community organizations.
Among its grantees, Wyo Theatre describes its mission as inspiring, educating, and entertaining people of all ages through the performing arts. Sheridan Community Land Trust says it works to preserve open spaces, rivers and creeks, working ranches, wildlife habitat, and local history while expanding recreation opportunities. Antelope Butte Foundation says it provides affordable, accessible skiing, mountain recreation, and related training and education, especially for youth and beginners.
Grantmaking
In 2025, the foundation made 23 grants totaling $271,800. Grants ranged from $800 to $50,000, with a median of $10,000. The largest awards included $50,000 to Sheridan Memorial Hospital Foundation, $35,000 to Piatigorsky Foundation, and $25,000 to Wyo Theatre. The stated purpose for each was program support, except that the $10,000 grant to Sheridan College Foundation was to support concert and theatre.
Other 2025 grants included $15,000 each to The Brinton Museum, Sage Community Arts, Center for Vital Community, and The Hub on Smith Street; and $10,000 each to Sheridan County YMCA, Wyoming PBS, Wyoming Public Media, and Sheridan Civic Theatre Guild. The University of Wyoming Foundation received $10,000. Sheridan County Library Foundation and Sheridan Community Land Trust each received $5,000; Antelope Butte Foundation received $3,000; and Wyoming Community Foundation received $2,000.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists First Interstate Bank, Michelle Sullivan, and Stuart Healy as trustees, and Barbara Walter and Richard Urbatchka as advisory board members.
Muriel and Seymour Thickman Family Foundation's 2025 filing lists 5 officers; 1 of 5 officers listed in 2025 is compensated.
Officers on the 2025 filing
First Interstate Bank
Trustee
On filings since 2019
2 hrs/week
$19K (2019) → $49K (2025)
Michelle Sullivan
Trustee
On filings since 2023
No compensation reported
Stuart Healy
Trustee
On filings since 2023
No compensation reported
Barbara Walter
Advisory Board Member
On filings since 2023
No compensation reported
Richard Urbatchka
Advisory Board Member
On filings since 2023
No compensation reported
Former officers (9)
- Former: David Thickman (2019–2022) — Board Member
- Former: Erika Miller (2019–2022) — Board Member
- Former: Igor Polesitsky (2019–2022) — Advisory Member
- Former: Jaleb White (2019–2022) — Advisory Member
- Former: Jeffrey Thickman (2019–2022) — Board Member
- Former: Lisa McIntyre (2019–2022) — Advisory Member
- Former: Margaret Thickman (2019–2022) — Secretary
- Former: Matthew Miller (2019–2022) — Advisory Member
- Former: Seymour Thickman (2019–2022) — President
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $49K, to First Interstate Bank (Trustee).
Frequently asked questions about Muriel and Seymour Thickman Family Foundation
How much does Muriel and Seymour Thickman Family Foundation give each year?
Muriel and Seymour Thickman Family Foundation gave $272K across 23 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $221K across 22 grants.
What is Muriel and Seymour Thickman Family Foundation's typical grant size?
Muriel and Seymour Thickman Family Foundation's median grant in 2025 was $10,000, and its average grant was $11,817, across 23 grants on its 2025 IRS Form 990-PF.
Where does Muriel and Seymour Thickman Family Foundation give grants?
Muriel and Seymour Thickman Family Foundation gives mostly in Wyoming: 87% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was New York (13%). The most frequent recipient cities were Sheridan, WY (16 grants) and Laramie, WY (3 grants).
Does Muriel and Seymour Thickman Family Foundation give general operating support?
Not in 2025: none of the 23 grants with a stated purpose on Muriel and Seymour Thickman Family Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Program Support" (22 grants).
Who are Muriel and Seymour Thickman Family Foundation's largest grantees?
Muriel and Seymour Thickman Family Foundation's largest 2025 grantees include Sheridan Memorial Hospital Foundation ($50,000), Piatigorsky Foundation ($35,000) and WYO Theatre ($25,000), according to its 2025 IRS Form 990-PF. Together they received 40% of its itemized 2025 grant dollars.
How large is Muriel and Seymour Thickman Family Foundation?
Muriel and Seymour Thickman Family Foundation reported $5.6M in total assets on its 2025 IRS Form 990-PF. It paid out $285K in qualifying distributions that year, against a required minimum of $318K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does Muriel and Seymour Thickman Family Foundation fund?
The foundation’s own mission is not stated. Its 2025 grants included support for arts and cultural organizations, a hospital foundation, a YMCA, public media organizations, a college foundation, and community organizations. See mission & focus areas ↑
How do I apply for a grant from Muriel and Seymour Thickman Family Foundation?
The foundation 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 Muriel and Seymour Thickman Family Foundation's EIN?
Muriel and Seymour Thickman Family Foundation's EIN (Employer Identification Number) is 83-0290571. IRS Form 990 filing data is available on this page for 2019–2025.
Does Muriel and Seymour Thickman Family Foundation 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
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 7, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
- Added Form 990-PF for fiscal year 2019 (received by the IRS May 15, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 4, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS April 27, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 10, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 6, 2024)
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Cite this profile
Grantable. (2026). Muriel and Seymour Thickman Family Foundation funder profile. GrantGraph. Retrieved October 22, 2026, from https://grantable.co/funders/muriel-and-seymour-thickman-family-foundation-morg_d9ea35ebc9b74968b0a5422456511564
BibTeX
@misc{grantable_830290571_2026,
author = {{Grantable}},
title = {{Muriel and Seymour Thickman Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/muriel-and-seymour-thickman-family-foundation-morg_d9ea35ebc9b74968b0a5422456511564},
note = {Accessed 2026-10-22. 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 Muriel and Seymour Thickman Family Foundation'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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