Macnaughton Foundation logo

Macnaughton Foundation

HONOLULU, HI EIN: 81-3963258 Website

The Macnaughton Foundation is a private 501(c)(3) foundation based in Honolulu, Hawaii. Established in 2016, it operates as the philanthropic arm of the MacNaughton Group, a Hawaii-based real estate development and investment company founded in 1975. The foundation supports nonprofit organizations aligned with its mission of creating positive social, economic, and physical impact in the communities where MacNaughton operates.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$567K

-19.9% YoY

Annual Giving

$110K

-30.7% YoY

Grant Count

16

-30.4% YoY

Avg Grant Size

$7K

-0.4% YoY

Under IRS private-foundation payout rules, Macnaughton Foundation reported a distributable amount of $28K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation seeks to make a difference in specific fields of interest and generally approaches grantees that align with its mission. Primary funding areas include:

  • Education
  • Healthcare
  • Community support and strengthening
  • Arts
  • Environment and sustainability
  • Human services

The foundation's work is guided by a commitment to safeguarding Hawaii's cultural heritage and natural resources.

Grantmaking

The foundation made 20 grants in 2024, with total giving of $110,465. Typical award ranges are $150–$100,000.

How to Apply

**

Ready to take the next step with Macnaughton Foundation?

Geographic Focus

Where this funder awards grants

The foundation primarily funds organizations in Hawaii, with some grants extending to the District of Columbia and Oregon.

Grant Distribution by State

9states
+1 more states

Cities

ArlingtonBooneChicagoColorado SpringsEwa BeachHaleiwaHiloHonoluluKailuaKapoleiLa JollaLos AngelesNew YorkNewbergOxnardPortlandSan FranciscoWaimanaloWashington

Financial History

Multi-year comparison from IRS filings

As of December 2024:

  • Total Assets: $567,314
  • Total Revenues: $17,405
  • Total Expenses: $123,051
  • Total Liabilities: $16,100
  • Investment Income and Dividends: $28,944

Historical Context: Since its formation, MacNaughton has donated millions of dollars to Hawaii nonprofits.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$264K$527K$791K$1M20202021202220232024
Metric202420232022
Total Assets$567,314$708,141$912,987
Revenue$17,405$22,059$12,472
Expenses$123,051$173,424$251,182
Qualifying Distributions$115,602$165,294$240,858
Net Investment Income$21,495$23,971$23,877
Distributable Amount$27,739$33,134$44,352

Giving Over Time

Total grant dollars and number of grants per year

$0$236K$472K$708K$943K31 grants202022 grants202120 grants202223 grants202316 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

STRAUB FOUNDATION$25KCOLORADO COLLEGE$20KKUPU$20KTEACH FOR AMERICA - HAWAII$10KKAPIOLANI HEALTH FOUNDAT…$6K50CAN INC$5KALOHA UNITED WAY$5KOHSU FOUNDATION$4KYWCA$4KST ANDREWS SCHOOLS$3K

Grant Size Distribution

112 grants across all recorded years

106<$50K2$50–100K3$100–250K$250–500K1$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Straub Foundation ($25,000), Colorado College ($20,000), Kupu ($20,000).

RecipientPurposeAmount
COLORADO COLLEGE COLORADO SPRINGS, COEDUCATION$20,000
TEACH FOR AMERICA - HAWAII HONOLULU, HIEDUCATION$10,000
ST ANDREWS SCHOOLS HONOLULU, HIEDUCATION$3,000
HAWAIIAN HUMANE SOCIETY HONOLULU, HICOMMUNITY SUPPORT & STRENGTHENING$250
50CAN INC WASHINGTON, DCCOMMUNITY SUPPORT & STRENGTHENING$5,000
ALOHA UNITED WAY HONOLULU, HICOMMUNITY SUPPORT & STRENGTHENING$5,000
YWCA WASHINGTON, DCCOMMUNITY SUPPORT & STRENGTHENING$3,700
MONTESSORI COMMUNITY SCHOOL HONOLULU, HIEDUCATION$515
EASTER SEALS HONOLULU, HIHEALTH CARE$1,500
KUPU HONOLULU, HICOMMUNITY SUPPORT & STRENGTHENING$20,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
JEFFREY G ARCEPRESIDENT1
EMILY REBER PORTERVICE PRESIDENT0.5
NANCY INFANTETREASURER0.5

Recent News & Activity

Recent developments and announcements

The MacNaughton Foundation continues to support Hawaii-based nonprofits addressing significant community issues. The parent company, MacNaughton Group, has been recognized as one of Hawaii's most charitable companies, with the broader organization providing volunteer days off and charitable contribution matching to all employees. Team members serve on community boards and volunteer for organizations addressing education, healthcare, sustainability, homelessness, job creation, and the arts.

The MacNaughton Group, One of Hawaii's Most Charitable Companies \u2014\

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does Macnaughton Foundation fund?

The foundation seeks to make a difference in specific fields of interest and generally approaches grantees that align with its mission. Primary funding areas include: • Education • Healthcare • Community support and strengthening • Arts • Environment and sustainability • Human services The foundation's work is guided by a commitment to safeguarding Hawaii's cultural heritage and natural resources.

How do I apply for a grant from Macnaughton Foundation?

**Grant Activity:** The foundation made 20 grants in 2024, with total giving of $110,465. Typical award ranges are $150–$100,000. **Recent Grants (2024):** • Straub Foundation: $25,000 (Health Care) • The Colorado College: $20,000 (Education) • Kupu: $20,000 (Community Support & Strengthening) **Application Process:** The foundation generally seeks areas where it might make a difference in its specific fields of interest and will approach grantees that meet its mission. However, the foundation …

Where does Macnaughton Foundation make grants?

The foundation primarily funds organizations in Hawaii, with some grants extending to the District of Columbia and Oregon.

What size grants does Macnaughton Foundation award?

In 2024, Macnaughton Foundation awarded 16 grants totaling $110K — an average of about $7K per grant, based on its IRS Form 990 filings.

How much is Macnaughton Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Macnaughton Foundation reported a distributable amount of $28K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Macnaughton Foundation's EIN?

Macnaughton Foundation's EIN (Employer Identification Number) is 81-3963258. IRS Form 990 filing data is available on this page for 2020–2024.

Explore Open Grants

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

Related Funders

Similar funders by location and focus area

Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

What could you do with Macnaughton Foundation on Grantable?

  • Assess strategic fit with your organization
  • Draft a tailored letter of inquiry
  • Find open RFPs from this funder
  • Monitor for new funding opportunities

Go from researching Macnaughton Foundation to a real strategy.

Plan your approach