TW Foundation

Private foundation · Grantmaker Casper, WY EIN: 35-2451182

TW Foundation is a private foundation, based in Casper, WY. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $5.2M in total assets. In 2025, it awarded 5 grants totaling $265K. Net investment income was $529K.

TW Foundation at a glance

In short: TW Foundation gave $265K across 5 grants in 2025 (avg $53K), mostly in Wyoming. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$265,245
-93.8% vs 2024
Grants made (2025)
5
-37.5% vs 2024
Average grant
$53,049
-90.2% vs 2024
Median grant
$45,245
Total assets
$5,160,591
-13.8% vs 2024
Primary geography
Wyoming (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

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

Who TW Foundation funds

How this funder distributes its grants

Top Recipients

Top 5 recipients in 2025

Child Development Center: $100KChild Development Center$100KDavid Street Station: $50KDavid Street Station$50KCentral Wyoming Junior Livestock Sale Inc: $45KCentral Wyoming JuniorLivestock Sale Inc$45KWyoming State Fair Endowment Fund: $45KWyoming State Fair EndowmentFund$45KHonoring 307 Heroes: $25KHonoring 307 Heroes$25K

The largest 2025 recipient was Child Development Center ($100K). Together the top 5 received $265K.

Grant Size Distribution

31 grants across all recorded years

11<$50K7$50–100K7$100–250K$250–500K2$500K–1M4$1–5M$5M+

The most common grant size was under $50K: 11 grants of 31 (35%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of 2025 grant dollars across all 5 itemized grants.

States

Cities

CasperCheyenneDouglasEvansvilleLaramieMillsTwin Falls

How TW Foundation gives

  • Giving fell 86% from 2022 to 2025. Method
  • In 2025 it paid out 85% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

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

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$2M$4M$6M12 grants2020 6 grants2021 6 grants2022 6 grants2023 8 grants2024 5 grants2025

From 2020 to 2025, annual grant giving ranged from $265K (2025) to $4.3M (2024). In 2025 it made 5 grants totaling $265K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Child Development Center Casper, WYSupport the General Mission of the Organization$100,000
David Street Station Casper, WYSupport the General Mission of the Organization$50,000
Central Wyoming Junior Livestock Sale Inc Casper, WYSupport the General Mission of the Organization$45,245
Wyoming State Fair Endowment Fund Douglas, WYSupport the General Mission of the Organization$45,000
Honoring 307 Heroes Casper, WYSupport the General Mission of the Organization$25,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$5,160,591$573,812$322,510$265,2455$265,245$529,252$312,012
2024$5,985,677$700,382$4,368,596$4,310,1568$4,310,156$655,486$356,745
2023$7,165,003$313,026$2,700,345$2,636,2416$2,636,241$266,079$438,048
2022$9,263,438$-507,441$2,016,509$1,914,0826$1,914,082$670,224$586,960
2021$11,794,359$628,488$602,190$510,7256$510,725$541,030$635,803
2020$11,781,093$326,838$2,638,653$2,562,79712—$255,371$715,905

Under IRS private-foundation payout rules, TW Foundation reported a distributable amount of $312K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

TW Foundation is led by Tiffany Gamble, President & Director on every filing since 2020; none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Tiffany Gamble

    President & Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Dan W. Guerttman

    Secretary & Director

    On filings since 2020

    0.2 hrs/week

    No compensation reported

  • Doris M. McMurry

    Vice President & Director

    On filings since 2020

    0.2 hrs/week

    No compensation reported

  • Rick Mason

    Treasurer

    On filings since 2020

    0.2 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2025. "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 TW Foundation

How much does TW Foundation give each year?

TW Foundation gave $265K across 5 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $4.3M across 8 grants.

What is TW Foundation's typical grant size?

TW Foundation's median grant in 2025 was $45,245, and its average grant was $53,049, across 5 grants on its 2025 IRS Form 990-PF.

Where does TW Foundation give grants?

TW Foundation gives mostly in Wyoming: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Casper, WY (4 grants).

Does TW Foundation give general operating support?

Yes: 100% of TW Foundation's 2025 grants with a stated purpose (5 of 5) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are TW Foundation's largest grantees?

TW Foundation's largest 2025 grantees include Child Development Center ($100,000), David Street Station ($50,000) and Central Wyoming Junior Livestock Sale Inc ($45,245), according to its 2025 IRS Form 990-PF. Together they received 74% of its itemized 2025 grant dollars.

How large is TW Foundation?

TW Foundation reported $5.2M in total assets on its 2025 IRS Form 990-PF. It paid out $265K in qualifying distributions that year, against a required minimum of $312K (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 is TW Foundation's EIN?

TW Foundation's EIN (Employer Identification Number) is 35-2451182. IRS Form 990 filing data is available on this page for 2020–2025.

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

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS July 13, 2026)
  2. IRS filings on file for fiscal years 2020–2024

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

Figures come from TW 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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