Macnaughton Foundation
Invitation OnlyHonolulu, Hawaii · EIN 81-3963258 · Private foundation · Website
Grants paid (2025)$124K
Organizations funded20
Typical grant$5,000
Total assets$450K
Half of its grants to organizations were between $1,000 and $7,700.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
15% of grants went outside Hawaii.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Straub Foundation | Honolulu, HI | Health care | $25,000 |
| Teach for America - Hawaii | Honolulu, HI | Education | $15,000 |
| Easter Seals | Honolulu, HI | Health care | $12,500 |
| Honolulu Habitat for Humanity | Honolulu, HI | Environment and sustainability | $10,000 |
| Hawaii Executive Collaborative | Honolulu, HI | Community support & strengthening | $10,000 |
| YWCA | Washington, DC | Community support & strengthening | $7,700 |
| St Andrews Schools | Honolulu, HI | Education | $5,000 |
| 50Can Inc | Washington, DC | Community support & strengthening | $5,000 |
| Ohsu Foundation | Portland, OR | Education | $5,000 |
| Hawaii Preparatory Academy | Kamuela, HI | Education | $5,000 |
| Daihonzan Chozen-Ji | Honolulu, HI | Community support & strengthening | $5,000 |
| Punahou School | Honolulu, HI | Education | $5,000 |
| Hawaii Public Radio | Honolulu, HI | Community support & strengthening | $5,000 |
| The Pantry by Feeding Hawaii Together | Honolulu, HI | Community support & strengthening | $5,000 |
| Hunakai Park Association | Honolulu, HI | Community support & strengthening | $2,000 |
| Kcaa Preschools of Hawaii | Honolulu, HI | Education | $1,000 |
| Hawaii Food Bank | Honolulu, HI | Health care | $500 |
| Hawaiian Humane Society | Honolulu, HI | Community support & strengthening | $250 |
| Hoola Na Pua | Honolulu, HI | Community support & strengthening | $250 |
| Montessori Community School | Honolulu, HI | Education | $206 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $124,406 | 20 |
| 2024 | $110,465 | 16 |
| 2023 | $159,450 | 23 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 15, 2026 - IRS e-file batch, object ID 202611349349105191
- IRS Tax Exempt Organization Search for EIN 81-3963258
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.