Macnaughton Foundation
Preselected recipients only
Macnaughton Foundation is a private foundation in Honolulu, Hawaii. In tax year 2025 it gave $124,406 in 20 grants; the typical grant was $5,000 and the largest $25,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$124,406
- Number of grants20
- Typical grant$5,000
- Largest grant$25,000
- Assets$449,729
- New grantees55%
Giving in 2025 was up from $110,465 the year before.
55% of its 2025 grantees had not received a grant from it the year before, a sign it is open to new organizations.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $159,450 | 23 | $654,417 |
| 2024 | $110,465 | 16 | $524,288 |
| 2025 | $124,406 | 20 | $449,729 |
How to apply
Macnaughton Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
Foundation website IRS filings on ProPublica
What Macnaughton Foundation funds
Where it gives
Its grants went to recipients in 3 states, the most to Hawaii.
| State | Grants | Amount |
|---|---|---|
| Hawaii | 17 | $106,706 |
| District of Columbia | 2 | $12,700 |
| Oregon | 1 | $5,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Straub Foundation | Health care | $25,000 |
| Teach for America - Hawaii | Education | $15,000 |
| Easter Seals | Health care | $12,500 |
| Honolulu Habitat for Humanity | Environment and sustainability | $10,000 |
| Hawaii Executive Collaborative | Community support & strengthening | $10,000 |
| YWCA | Community support & strengthening | $7,700 |
| St Andrews Schools | Education | $5,000 |
| 50CAN Inc | Community support & strengthening | $5,000 |
| Ohsu Foundation | Education | $5,000 |
| Hawaii Preparatory Academy | Education | $5,000 |
| Daihonzan Chozen-Ji | Community support & strengthening | $5,000 |
| Punahou School | Education | $5,000 |
| Hawaii Public Radio | Community support & strengthening | $5,000 |
| The Pantry by Feeding Hawaii Together | Community support & strengthening | $5,000 |
| Hunakai Park Association | Community support & strengthening | $2,000 |
| Kcaa Preschools of Hawaii | Education | $1,000 |
| Hawaii Food Bank | Health care | $500 |
| Hawaiian Humane Society | Community support & strengthening | $250 |
| Hoola NA Pua | Community support & strengthening | $250 |
| Montessori Community School | Education | $206 |
Officers and trustees
- Jeffrey G Arce
- Emily Reber Porter
- Nancy Infante
Questions people ask
Does Macnaughton Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Macnaughton Foundation give?
$124,406 in tax year 2025, across 20 grants, with a typical grant of $5,000.
Who runs Macnaughton Foundation?
Its 2025 filing lists Jeffrey G Arce (President), Emily Reber Porter (Vice President) and Nancy Infante (Treasurer).
What does Macnaughton Foundation fund?
Based on its grants, mainly health, education and environment and conservation.