Windhorse Foundation

Private foundation · Grantmaker Paia, HI EIN: 04-6707664

Windhorse Foundation is a private foundation, based in Paia, HI. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $5.0M in total assets. In 2024, it awarded 5 grants totaling $40K. Net investment income was $352K.

Windhorse Foundation at a glance

In short: Windhorse Foundation gave $40K across 5 grants in 2024 (avg $8K), mostly in California. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$40,000
-68.9% vs 2023
Grants made (2024)
5
-58.3% vs 2023
Average grant
$8,000
-25.4% vs 2023
Median grant
$5,000
Total assets
$5,006,251
+2.5% vs 2023
Primary geography
California (63% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated September 2026.

Who Windhorse Foundation funds

How this funder distributes its grants

Top Recipients

Top 5 recipients in 2024

The Thacher School: $25KThe Thacher School$25KMaui Arts & Cultural Center: $5KMaui Arts & Cultural Center$5KPaia Youth Council Inc: $5KPaia Youth Council Inc$5KHawaii Public Radio: $3KHawaii Public Radio$3KHospice Maui: $3KHospice Maui$3K

The largest 2024 recipient was The Thacher School ($25K). Together the top 5 received $40K.

Grant Size Distribution

47 grants across all recorded years

45<$50K2$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 45 grants of 47 (96%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

9states

Share of 2024 grant dollars across all 5 itemized grants.

Cities

WailukuHonoluluKahuluiPaiaOjaiTellurideMerrifieldBostonCambridgeMiddleburyMinneapolisStamfordWashington

How Windhorse Foundation gives

  • Giving fell 63% from 2021 to 2024. Method
  • In 2024 it paid out 16% 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$50K$100K$150K9 grants2020 10 grants2021 11 grants2022 12 grants2023 5 grants2024

From 2020 to 2024, annual grant giving ranged from $40K (2024) to $129K (2023). In 2024 it made 5 grants totaling $40K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
The Thacher School Ojai, CAGeneral Purposes of Donee$25,000
Maui Arts & Cultural Center Kahului, HIGeneral Purposes of Donee$5,000
Paia Youth Council Inc Paia, HIGeneral Purposes of Donee$5,000
Hawaii Public Radio Honolulu, HIGeneral Purposes of Donee$2,500
Hospice Maui Wailuku, HIGeneral Purposes of Donee$2,500
Your AI grants department

Ready to take the next step with Windhorse Foundation?

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 paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$5,006,251$220,875$101,623$40,0005$43,477$351,630$279,155
2023$4,885,740$620,058$163,910$128,70012$135,900$591,840$223,425
2022$4,429,592$329,626$84,748$61,00011$61,150$323,388$209,783
2021$4,186,770$673,166$115,747$109,00010$112,550$671,608$230,004
2020$3,628,748$141,426$52,102$43,0009—$135,924$192,332

Under IRS private-foundation payout rules, Windhorse Foundation reported a distributable amount of $279K for 2024 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Windhorse Foundation's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • David A. Salem

    Trustee

    On filings since 2020

    1.5 hrs/week

    No compensation reported

  • Richard M. Salem

    Trustee

    On filings since 2020

    1.5 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "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 Windhorse Foundation

How much does Windhorse Foundation give each year?

Windhorse Foundation gave $40K across 5 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $129K across 12 grants.

What is Windhorse Foundation's typical grant size?

Windhorse Foundation's median grant in 2024 was $5,000, and its average grant was $8,000, across 5 grants on its 2024 IRS Form 990-PF.

Where does Windhorse Foundation give grants?

Windhorse Foundation gives mostly in California: 63% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was Hawaii (38%).

Does Windhorse Foundation give general operating support?

Yes: 100% of Windhorse Foundation's 2024 grants with a stated purpose (5 of 5) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are Windhorse Foundation's largest grantees?

Windhorse Foundation's largest 2024 grantees include The Thacher School ($25,000), Maui Arts & Cultural Center ($5,000) and Paia Youth Council Inc ($5,000), according to its 2024 IRS Form 990-PF. Together they received 88% of its itemized 2024 grant dollars.

How large is Windhorse Foundation?

Windhorse Foundation reported $5.0M in total assets on its 2024 IRS Form 990-PF. It paid out $43K in qualifying distributions that year, against a required minimum of $279K (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 Windhorse Foundation's EIN?

Windhorse Foundation's EIN (Employer Identification Number) is 04-6707664. IRS Form 990 filing data is available on this page for 2020–2024.

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

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Explore Open Grants

Browse active grant opportunities in Windhorse Foundation's focus areas in our free grants database

Similar Funders

Funders that support many of the same organizations

The O L Moore Foundation

Wilmington, DE

The O L Moore Foundation funds charitable organizations working in education, cultural and community services, and environmental conservation, with recent grants concentrated in Hawaii, Oregon, California, and Florida. Its 2024 grants ranged from $1,000 to $20,000, with a median of $2,000. It gives only to preselected organizations and does not accept unsolicited requests.

Assets

$2.3M

Grants

34

Total Given

$117K

Joseph and Vera Zilber Family

Milwaukee, WI

The Joseph and Vera Zilber Family Foundation funds work that expands social and economic opportunity, including economic stability, basic needs, and nonprofit-sector support, primarily in Milwaukee and Oahu, Hawaii. Its 2025 grants had a median size of $7,500, though awards ranged from $250 to $3.5 million. It does not accept unsolicited requests; aligned organizations may introduce their work for consideration, and invited groups receive application instructions.

Assets

$422.3M

Grants

319

Total Given

$18.8M

The Red Cabin Foundation Trust

Wilmington, DE

The Red Cabin Foundation Trust supports charitable organizations in areas including healthcare, cancer research, children’s services, education, water access, and community services, with most of its 2024 giving going to Hawaii and additional grants in North Carolina, Massachusetts, Tennessee, and Virginia. Its 2024 grants ranged from $1,899 to $120,000, with a median of $10,000. It funds only preselected organizations and does not accept unsolicited requests.

Assets

$10.3M

Grants

21

Total Given

$410K

Marin Community Foundation

Novato, CA

Marin Community Foundation funds work in affordable housing and homelessness, community resilience and power, as well as social services, education, arts and conservation, with a focus on marginalized Marin County residents and some broader U.S. and international grantmaking. Its 2025 grants had a median of $25,000, though amounts varied widely. The profile does not state whether it accepts unsolicited requests.

Assets

$1.3B

Grants

1,573

Total Given

$186.1M

The Harry and Jeanette Weinberg

Owings Mills, MD

The Harry and Jeanette Weinberg Foundation funds direct services, programs, general operations, and capital projects in housing, health, jobs, education, and aging for low-income and vulnerable people. Its 2024 grants had a median of $50,000; its Small Grants Program offers up to $50,000 over two years, with funding focused on Baltimore, Hawaiʻi, Israel, and Northeastern Pennsylvania. It awards grants by invitation only and does not accept unsolicited requests.

Assets

$1.8B

Grants

872

Total Given

$127.8M

Armstrong Foundation

Honolulu, HI

The Armstrong Foundation supports organizations working in areas such as animal welfare, cancer, children’s connection to nature, and community and cultural causes, primarily in Hawaii but also elsewhere. Its 2024 grants ranged from $100 to $343,000, with a median of $1,500. It accepts requests from recognized 501(c)(3) organizations by letter, with no stated deadline.

Assets

$173K

Grants

11

Total Given

$749K

More similar funders

More Funders in Hawaii

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

Figures come from Windhorse 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.

Windhorse Foundation down — hundreds of funders to go?

Want AI to do this for you?