K J Luke Foundation

Private foundation · Grantmaker Honolulu, HI EIN: 99-0234080

K J Luke Foundation is a private foundation, based in Honolulu, HI. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $7.8M in total assets. In 2025, it awarded 8 grants totaling $57K. Net investment income was $623K.

K J Luke Foundation at a glance

In short: K J Luke Foundation gave $57K across 8 grants in 2025 (avg $7K), mostly in Hawaii. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$57,000
+34.1% vs 2024
Grants made (2025)
8
+0.0% vs 2024
Average grant
$7,125
+34.1% vs 2024
Median grant
$4,000
Total assets
$7,774,692
+14.2% vs 2024
Primary geography
Hawaii (82% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated September 2026.

Who K J Luke Foundation funds

How this funder distributes its grants

Top Recipients

Top 8 recipients in 2025

Children's Discovery Center: $25KChildren's Discovery Center$25KHarvard College: $10KHarvard College$10KRehab Foundation: $10KRehab Foundation$10KA Better Chinatown Association: $5KA Better Chinatown Association$5KSaint Louis School: $3KSaint Louis School$3KThe Deputies: $2KThe Deputies$2KRonald McDonald House Charities of Hawaii: $1KRonald McDonald HouseCharities of Hawaii$1KTong Wo Society of Kohala: $1KTong Wo Society of Kohala$1K

The largest 2025 recipient was Children's Discovery Center ($25K). Together the top 8 received $57K.

Grant Size Distribution

41 grants across all recorded years

38<$50K$50–100K3$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 38 grants of 41 (93%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of 2025 grant dollars across all 8 itemized grants.

Cities

HonoluluCambridgeHiloKahukuSan Francisco

How K J Luke Foundation gives

  • Giving fell 61% from 2022 to 2025. Method
  • In 2025 it paid out 16% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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

$0$100K$200K$300K11 grants2020 7 grants2021 8 grants2022 10 grants2023 8 grants2024 8 grants2025

From 2020 to 2025, annual grant giving ranged from $43K (2024) to $300K (2020). In 2025 it made 8 grants totaling $57K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Children's Discovery Center Honolulu, HITo provide multicultural community education and exhibits to children$25,000
Harvard College Cambridge, MATo support the kj luke financial aid fund for harvard business school$10,000
Rehab Foundation Honolulu, HITo enrich and enhance the rehabilitation experience and maximize each patient's recovery.$10,000
A Better Chinatown Association Honolulu, HITo help developing programs, events and initiatives that preserve the cultural heritage of our community while fostering a safer, cleaner, and move vibrant neighborhood for everyone.$5,000
Saint Louis School Honolulu, HITo Provide Resources to Students Pursuing Scholastic Opportunities$3,000
The Deputies Honolulu, HITo fund scholarships awarded to honolulu police department and honolulu fire department explorer scouts.$2,000
Ronald McDonald House Charities of Hawaii Honolulu, HITo create a brighter future for seriously ill children and their families.$1,000
Tong Wo Society of Kohala Hilo, HITo preserve historic buildings, structures, objects, sites and districts relating to the history of Hawaii$1,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$7,774,692$1,489,685$102,823$57,0008$61,715$622,901$383,790
2024$6,806,360$1,191,713$72,672$42,5008$42,503$321,063$314,607
2023$5,761,033$846,145$190,207$147,00010$147,028$90,852$240,597
2022$5,105,536$1,638,749$182,935$147,0008$147,003$855,532$194,133
2021$3,666,126$3,250,157$234,766$228,0007$228,002$388,130$80,535
2020$1,508,841$807,425$299,564$299,50011—$190,035$37,787

Under IRS private-foundation payout rules, K J Luke Foundation reported a distributable amount of $384K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

K J Luke Foundation is led by Warren K. K. Luke, President & Director on every filing since 2020; none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Warren K. K. Luke

    President & Director

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • Janice M. T. Luke Loo

    Director

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • Sharlene K. S. Luke Mau

    Director

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • John Peter Uehara

    Secretary & Treasurer

    On filings since 2020

    0.3 hrs/week

    No compensation reported

Former officers (1)
  • Former: Loretta H. W. Luke Yajima (2020–2021) — Director

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.

Frequently asked questions about K J Luke Foundation

How much does K J Luke Foundation give each year?

K J Luke Foundation gave $57K across 8 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $43K across 8 grants.

What is K J Luke Foundation's typical grant size?

K J Luke Foundation's median grant in 2025 was $4,000, and its average grant was $7,125, across 8 grants on its 2025 IRS Form 990-PF.

Where does K J Luke Foundation give grants?

K J Luke Foundation gives mostly in Hawaii: 82% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Massachusetts (18%). The most frequent recipient cities were Honolulu, HI (6 grants).

Does K J Luke Foundation give general operating support?

Not in 2025: none of the 8 grants with a stated purpose on K J Luke Foundation's 2025 IRS Form 990-PF were described as general or operating support.

Who are K J Luke Foundation's largest grantees?

K J Luke Foundation's largest 2025 grantees include Children's Discovery Center ($25,000), Harvard College ($10,000) and Rehab Foundation ($10,000), according to its 2025 IRS Form 990-PF. Together they received 79% of its itemized 2025 grant dollars.

How large is K J Luke Foundation?

K J Luke Foundation reported $7.8M in total assets on its 2025 IRS Form 990-PF. It paid out $62K in qualifying distributions that year, against a required minimum of $384K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What is K J Luke Foundation's EIN?

K J Luke Foundation's EIN (Employer Identification Number) is 99-0234080. IRS Form 990 filing data is available on this page for 2020–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 5, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 10, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS November 15, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS June 27, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 12, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from K J Luke Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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