The Brinton Museum Endowment Fund

Public charity · Grantmaker Big Horn, WY EIN: 35-7105253

Provide support for the brinton museum.

The Brinton Museum Endowment Fund at a glance

In short: The Brinton Museum Endowment Fund gave $685K across 1 grant in 2025 (avg $685K), mostly in Wyoming. Source: 2025 IRS Form 990.

Annual giving (2025)
$685,000
+3.0% vs 2024
Grants made (2025)
1
+0.0% vs 2024
Average grant
$685,000
+3.0% vs 2024
Median grant
$685,000
Total assets
$26,548,180
+6.3% vs 2024
Primary geography
Wyoming (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990, 2025 View filing

Data from IRS Form 990, 2025; updated September 2026.

Who The Brinton Museum Endowment Fund funds

How this funder distributes its grants

Top Recipients

Top recipient in 2025

The New Museum at the Bradford Brinton Ranch: $685KThe New Museum at the BradfordBrinton Ranch$685K

The largest 2025 recipient was The New Museum at the Bradford Brinton Ranch ($685K).

Grant Size Distribution

5 grants across all recorded years

<$50K$50–100K$100–250K$250–500K5$500K–1M$1–5M$5M+

The most common grant size was in the $500K–1M range: 5 grants of 5 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of the 2025 grant dollars on its one itemized grant.

States

Cities

Big Horn

How The Brinton Museum Endowment Fund gives

  • Giving held roughly steady from 2022 to 2025 (+4%). Method

From the foundation's IRS Form 990 filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K$800K0 grants2019 0 grants2020 1 grant2021 1 grant2022 1 grant2023 1 grant2024 1 grant2025

From 2021 to 2025, annual grant giving ranged from $626K (2021) to $685K (2025). In 2025 it made 1 grant totaling $685K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
The New Museum at the Bradford Brinton Ranch Big Horn, WYGeneral Support$685,000
Your AI grants department

Ready to take the next step with The Brinton Museum Endowment Fund?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsNet Investment Income
2025$26,548,180$2,438,610$815,522$685,0001$2,359,354
2024$24,968,252$1,255,715$787,270$665,0001$1,107,246
2023$23,584,029$5,554,276$769,459$665,0001$1,270,298
2022$17,084,807$1,051,868$761,397$656,4381$1,047,968
2021$20,866,737$1,190,377$750,310$625,9481$1,187,927
2020$19,495,517$2,578,866$693,129——$2,578,866
2019$17,609,780$806,706$724,461——$806,706

About The Brinton Museum Endowment Fund

Based on IRS filings

The Brinton Museum Endowment Fund is a public charity focused on Arts, Culture & Humanities, based in Big Horn, WY. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $26.5M in total assets. In 2025, it awarded 1 grant totaling $685K. Net investment income was $2.4M.

Leadership & Key People

Officers and directors from IRS filings

The Brinton Museum Endowment Fund is led by Kendra Heimbuck - Co-Trustee, Executive Director on every filing since 2023; none of the 5 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Kendra Heimbuck - Co-Trustee

    Executive Director

    On filings since 2023

    1 hr/week

    No compensation reported

  • David Hubert

    Co-Trustee

    On filings since 2019

    1 hr/week

    No compensation reported

  • Nichol Macmanus

    Co-Trustee

    On filings since 2019

    0.5 hrs/week

    No compensation reported

  • Jacomien Mars

    Co-Trustee

    Director → Co-Trustee, 2021

    On filings since 2020

    0.5 hrs/week

    No compensation reported

  • Sam J. Scott

    Co-Trustee

    On filings since 2021

    0.5 hrs/week

    No compensation reported

Former officers (4)
  • Former: Kenneth L. Schuster (2019–2022) — Co-Trustee
  • Former: Kendra Heimbuck- Co-Trustee As (2022) — Of Dec ' & Chief Op. Officer
  • Former: Kendra Heimbuck (2021) — Chief Operating Officer
  • Former: Samuel Scott (2020) — Director

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.

Frequently asked questions about The Brinton Museum Endowment Fund

How much does The Brinton Museum Endowment Fund give each year?

The Brinton Museum Endowment Fund gave $685K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $665K across 1 grant.

How large is The Brinton Museum Endowment Fund?

The Brinton Museum Endowment Fund reported $26.5M in total assets on its 2025 IRS Form 990. Its revenue that year was $2.4M.

What is The Brinton Museum Endowment Fund?

The Brinton Museum Endowment Fund is a public charity focused on Arts, Culture & Humanities, based in Big Horn, WY. It holds $26.5M in total assets as of 2025.

Where does The Brinton Museum Endowment Fund operate?

The Brinton Museum Endowment Fund has awarded grants in Wyoming.

What is The Brinton Museum Endowment Fund's EIN?

The Brinton Museum Endowment Fund's EIN (Employer Identification Number) is 35-7105253. IRS Form 990 filing data is available on this page for 2019–2025.

Data last updated September 2026. Sourced from IRS Form 990 filings.

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990 for fiscal year 2021 (received by the IRS November 14, 2022)
  2. Updated Form 990 for fiscal year 2022 (received by the IRS June 8, 2023)
  3. Updated Form 990 for fiscal year 2023 (received by the IRS May 9, 2024)
  4. Updated Form 990 for fiscal year 2024 (received by the IRS May 15, 2025)
  5. Added Form 990 for fiscal year 2025 (received by the IRS June 23, 2026)
  6. IRS filings on file for fiscal years 2019–2024

Explore Open Grants

Browse active grant opportunities in The Brinton Museum Endowment Fund's focus areas in our free grants database

Similar Funders

Similar funders in Wyoming

Wyoming Community Foundation

Laramie, WY

Wyoming Community Foundation funds charitable programs addressing community needs and building organizational capacity in areas such as arts, education, health, environment, and civic life, with grants in every Wyoming county. Most competitive-cycle awards are $1,000–$10,000, though larger amounts are considered. It accepts electronic applications through two competitive grant cycles each year.

Philanthropy, Voluntarism & Grantmaking

Assets

$230.8M

Grants

401

Total Given

$15.6M

Community Foundation of Jackson Hole

Jackson, WY

The Community Foundation of Jackson Hole funds local nonprofits addressing community needs, including human services, health, arts, youth, conservation, and public safety, as well as student scholarships. Its Competitive Grants typically offer $3,000–$30,000, and its grant programs focus on Teton County, Wyoming. It accepts unsolicited requests through its grant programs.

Assets

$170.9M

Grants

374

Total Given

$39.6M

Wyoming Early Childhood Partnership

Casper, WY

Wyoming Early Childhood Partnership supported early childhood education, child development, and related family services in Wyoming, with past grants ranging from $20,200 to $41,171. Its 2024 filing reports no grants and no assets, and its 2023 return was marked final; whether it accepts unsolicited requests is not stated.

Assets

—

Grants

216

Total Given

$3.1M

The Andrew Allen Charitable Foundation

Cheyenne, WY

The Andrew Allen Charitable Foundation supports a range of charitable organizations, including universities, hospitals, arts and cultural groups, public media, and animal shelters. In 2025, it made 161 grants totaling about $1.48 million; grants ranged from $50 to $329,546, with a median of $1,200, and most funding went to Wyoming and Tennessee. It funds only preselected organizations and does not accept unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$23.9M

Grants

161

Total Given

$1.5M

Wold Foundation

Casper, WY

The Wold Foundation funds education, youth and human services, health care, cultural and historic activities, science, conservation, and outdoor recreation, with a preference for Wyoming citizens and youth; it also funds organizations elsewhere in the continental U.S. Its 2024 grants ranged from $50 to $500,000, with a median of $5,000. It accepts online applications from eligible 501(c)(3) organizations for spring and fall grant cycles.

Assets

$53.1M

Grants

128

Total Given

$2.8M

Natrona Collective Health Trust

Casper, WY

The Trust funds health and well-being work for Natrona County residents, including early childhood development, preventing adverse childhood experiences, mental and behavioral health, and community health advocacy. Its typical grant was about $27,000 in 2024; a 2026 cycle offered up to $80,000 per year for two years. It does not accept unsolicited requests.

Health

Assets

$288.3M

Grants

101

Total Given

$13.4M

More similar funders

More Funders in Wyoming

The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from The Brinton Museum Endowment Fund'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.

The Brinton Museum Endowment Fund down — hundreds of funders to go?

Want AI to do this for you?