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Foundation Lookup

Form 990-PFTax year 2025EIN 81-3963258

Macnaughton Foundation

A private foundation in Honolulu, HI. Its return for tax year 2025 lists 20 grants and $124,406 paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

6 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2025

    $124,406

    Grants listed
    20
    Assets, end of year
    $470,119

  • Tax year 2024

    $110,465

    Grants listed
    16
    Assets, end of year
    $567,314

  • Tax year 2023

    $159,450

    Grants listed
    23
    Assets, end of year
    $708,141

  • Tax year 2022

    $233,780

    Grants listed
    20
    Assets, end of year
    $912,987

  • Tax year 2021

    $239,726

    Grants listed
    22
    Assets, end of year
    $1,098,501

  • Tax year 2020

    $943,490

    Grants listed
    31
    Assets, end of year
    $1,320,962

Grants paid in 2025

20 grants, largest first

As listed on the return.

  1. Straub FoundationHonolulu, HI

    Health care

    $25,000
  2. Teach for America - HawaiiHonolulu, HI

    Education

    $15,000
  3. Easter SealsHonolulu, HI

    Health care

    $12,500
  4. Honolulu Habitat for HumanityHonolulu, HI

    Environment and sustainability

    $10,000
  5. Hawaii Executive CollaborativeHonolulu, HI

    Community support & strengthening

    $10,000
  6. YWCAWashington, DC

    Community support & strengthening

    $7,700
  7. St Andrews SchoolsHonolulu, HI

    Education

    $5,000
  8. 50CAN IncWashington, DC

    Community support & strengthening

    $5,000
  9. Ohsu FoundationPortland, OR

    Education

    $5,000
  10. Hawaii Preparatory AcademyKamuela, HI

    Education

    $5,000
  11. Daihonzan Chozen-JiHonolulu, HI

    Community support & strengthening

    $5,000
  12. Punahou SchoolHonolulu, HI

    Education

    $5,000
  13. Hawaii Public RadioHonolulu, HI

    Community support & strengthening

    $5,000
  14. The Pantry by Feeding Hawaii TogetherHonolulu, HI

    Community support & strengthening

    $5,000
  15. Hunakai Park AssociationHonolulu, HI

    Community support & strengthening

    $2,000
  16. Kcaa Preschools of HawaiiHonolulu, HI

    Education

    $1,000
  17. Hawaii Food BankHonolulu, HI

    Health care

    $500
  18. Hawaiian Humane SocietyHonolulu, HI

    Community support & strengthening

    $250
  19. Hoola NA PuaHonolulu, HI

    Community support & strengthening

    $250
  20. Montessori Community SchoolHonolulu, HI

    Education

    $206

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Medical research1 grant $25,00036% of the total
  2. Education4 grants $16,00023% of the total
  3. Community development2 grants $12,00018% of the total
  4. Housing and shelter1 grant $10,00015% of the total
  5. Human services2 grants $5,2508% of the total
  6. Animals1 grant $250<1% of the total

By State

Grants to organizations with a US address, latest year.

  1. Hawaii17 grants $106,706
  2. District of Columbia2 grants $12,700
  3. Oregon1 grant $5,000

Officers, directors and trustees

3 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Jeffrey G ArcePRESIDENT Hours 1Pay $0
  • Emily Reber PorterVICE PRESIDENT Hours 0.5Pay $0
  • Nancy InfanteTREASURER Hours 0.5Pay $0

The return

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