Mabel I Wilcox Foundation Trust
Mabel I Wilcox Foundation Trust is a private foundation, based in Honolulu, HI. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $506K in total assets. In 2025, it awarded 7 grants totaling $29K. Net investment income was $72K.
Mabel I Wilcox Foundation Trust at a glance
In short: Mabel I Wilcox Foundation Trust gave $29K across 7 grants in 2025 (avg $4K), mostly in Hawaii. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $29,000
- +9.3% vs 2024
- Grants made (2025)
- 7
- +40.0% vs 2024
- Average grant
- $4,143
- -21.9% vs 2024
- Median grant
- $4,500
- Total assets
- $506,181
- +8.5% vs 2024
- Primary geography
- Hawaii (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
Who Mabel I Wilcox Foundation Trust funds
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2025
The largest 2025 recipient was Kauai Police Activities League ($6K). Together the top 7 received $29K.
Grant Size Distribution
28 grants across all recorded years
The most common grant size was under $50K: 28 grants of 28 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 7 itemized grants.
States
Cities
How Mabel I Wilcox Foundation Trust gives
- Giving held roughly steady from 2022 to 2025 (−15%). Method
- In 2025 it paid out 107% of its IRS minimum distribution (the 5% rule). 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
From 2020 to 2025, annual grant giving ranged from $17K (2021) to $34K (2022). In 2025 it made 7 grants totaling $29K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Kauai Police Activities League Lihue, HI | Program Support | $5,500 |
| Waioli Corporation Lihue, HI | General Charitable Purposes | $5,000 |
| Island School Lihue, HI | General Charitable Purposes | $5,000 |
| Waimea United Church of Christ Waimea Kauai, HI | General Purposes | $4,500 |
| KAU Ai Economic Development Board Lihue, HI | Program Support | $4,000 |
| Waimea Sugar Mill Museum Waimea, HI | General Charitable Purposes | $3,000 |
| Hawaii Children's Theatre Lihue, HI | General Charitable Purposes | $2,000 |
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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 | $506,181 | $76,823 | $36,063 | $29,000 | 7 | $31,895 | $72,351 | $29,859 |
| 2024 | $466,600 | $18,625 | $33,585 | $26,525 | 5 | $29,361 | $14,246 | $29,137 |
| 2023 | $481,478 | $26,260 | $31,556 | $24,750 | 4 | $27,475 | $22,644 | $26,342 |
| 2022 | $486,813 | $27,691 | $40,587 | $34,000 | 8 | $36,791 | $23,981 | $27,222 |
| 2021 | $499,753 | $21,171 | $23,700 | $16,874 | 4 | $19,756 | $10,225 | $30,450 |
| 2020 | $502,197 | $16,869 | $26,860 | $21,770 | 5 | — | $14,169 | $26,026 |
Under IRS private-foundation payout rules, Mabel I Wilcox Foundation Trust reported a distributable amount of $30K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Mabel I Wilcox Foundation Trust's only listed officer is First Hawaiian Bank, Trustee on every filing since 2020 (compensated).
Officers on the 2025 filing
First Hawaiian Bank
Trustee
On filings since 2020
4 hrs/week
$3K (2020) → $5K (2025)
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $5K, to First Hawaiian Bank (Trustee).
Frequently asked questions about Mabel I Wilcox Foundation Trust
How much does Mabel I Wilcox Foundation Trust give each year?
Mabel I Wilcox Foundation Trust gave $29K across 7 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $27K across 5 grants.
What is Mabel I Wilcox Foundation Trust's typical grant size?
Mabel I Wilcox Foundation Trust's median grant in 2025 was $4,500, and its average grant was $4,143, across 7 grants on its 2025 IRS Form 990-PF.
Where does Mabel I Wilcox Foundation Trust give grants?
Mabel I Wilcox Foundation Trust gives mostly in Hawaii: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Lihue, HI (5 grants).
Does Mabel I Wilcox Foundation Trust give general operating support?
Yes: 71% of Mabel I Wilcox Foundation Trust's 2025 grants with a stated purpose (5 of 7) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Mabel I Wilcox Foundation Trust's largest grantees?
Mabel I Wilcox Foundation Trust's largest 2025 grantees include Kauai Police Activities League ($5,500), Waioli Corporation ($5,000) and Island School ($5,000), according to its 2025 IRS Form 990-PF. Together they received 53% of its itemized 2025 grant dollars.
How large is Mabel I Wilcox Foundation Trust?
Mabel I Wilcox Foundation Trust reported $506K in total assets on its 2025 IRS Form 990-PF. It paid out $32K in qualifying distributions that year, against a required minimum of $30K (roughly 5% of its investment assets).
What is Mabel I Wilcox Foundation Trust's EIN?
Mabel I Wilcox Foundation Trust's EIN (Employer Identification Number) is 99-6002447. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 8, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 12, 2026)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 5, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 8, 2023)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS April 26, 2021)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 6, 2024)
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