Louise & Yt Lum Foundation
The Louise & Yt Lum Foundation is a private foundation based in Honolulu, Hawaii. In filing year 2025, it reported 23 grants totaling $119,987 to charitable organizations, with grant purposes including scholarships, arts and cultural programs, health equipment, and general support.
Louise & Yt Lum Foundation at a glance
In short: Louise & Yt Lum Foundation gave $120K across 23 grants in 2025 (avg $5K), mostly in Hawaii. 9% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $119,987
- +8.7% vs 2024
- Grants made (2025)
- 23
- +4.5% vs 2024
- Average grant
- $5,217
- +4.0% vs 2024
- Median grant
- $5,000
- Total assets
- $2,388,751
- +0.2% vs 2024
- New grantees (estimate)
- 9% first-time grantees (2 of 22, 2025; small sample)
- Primary geography
- Hawaii (69% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Louise & Yt Lum Foundation
- How to Apply
-
The filing lists Wing Tek Lum as the contact and requests a letter specifying the proposed utilization of funds. It states that there are no submission deadlines. Awards are not made directly to individuals; they are donations to charitable organizations.
- Contact
Application contact: Wing Tek Lum
Mailing address: 80 N King Street, Honolulu, HI 96817
Phone: (808) 531-5200
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Louise & Yt Lum Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Appraisal Inst Ed Trust ($15K). Together the top 10 received $106K.
Grant Size Distribution
113 grants across all recorded years
The most common grant size was under $50K: 113 grants of 113 (100%).
Geographic Focus
Where this funder awards grants
The 2025 filing reports that 69% of grant dollars went to recipients in Hawaii, 13% to Illinois, 8% to Colorado, and 4% each to Washington and Virginia.
Grant Distribution by State
Share of 2025 grant dollars across all 23 itemized grants.
Cities
Is Louise & Yt Lum Foundation open to new grantees?
9%
first-time grantees, 2025
In 2025, 2 of 22 grantees (9%) were first-time recipients. With only 22 grantees, that is a small sample: one grantee more or less moves the share by about 5 points. First grants averaged $5K; repeat grants $5K. How we count
Medians: $5K first-time, $3K repeat.
- 91% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+11%). Method
- In 2025 it paid out 97% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $77K (2020) to $120K (2025). In 2025 it made 23 grants totaling $120K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Appraisal Inst Ed Trust Chicago, IL | General Fund & Online Catalog Custom | $15,350 |
| Hawaii Youth Symphony Honolulu, HI | Music in the Clubhouse Program | $15,000 |
| University of Hawaii Foundation Honolulu, HI | Business College Scholarships | $14,737 |
| St Francis Healthcare Found of HI Honolulu, HI | Vital Signs Monitor, Docking Station | $10,600 |
| All Roads Boulder, CO | Kitchen Equipment, Coffee & Related | $10,000 |
| Manoa Heritage Center Honolulu, HI | Oral History Program | $10,000 |
| Palama Settlement Honolulu, HI | Digitization of Archive Photographs | $10,000 |
| Central Union Church Honolulu, HI | Gift for General Use | $5,000 |
| Hawaii Food Bank Honolulu, HI | Gift for General Use | $5,000 |
| Lifestyle Community Clinic Tacoma, WA | Gift for General Use | $5,000 |
Ready to take the next step with Louise & Yt Lum Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $2,388,751 | $148,021 | $144,367 | $119,987 | 23 | $121,874 | $97,226 | $125,033 |
| 2024 | $2,385,097 | $60,081 | $133,105 | $110,387 | 22 | $112,274 | $73,145 | $118,915 |
| 2023 | $2,458,121 | $139,579 | $134,237 | $109,350 | 23 | $111,185 | $66,399 | $102,377 |
| 2022 | $2,452,779 | $416,820 | $131,071 | $108,250 | 27 | $110,085 | $193,576 | $101,411 |
| 2021 | $2,167,030 | $117,078 | $126,661 | $110,900 | 18 | $112,735 | $76,995 | $108,698 |
| 2020 | $2,176,613 | $2,038,156 | $81,291 | $77,400 | 13 | — | $3,366 | $14,819 |
Under IRS private-foundation payout rules, Louise & Yt Lum Foundation reported a distributable amount of $125K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No foundation mission statement is provided. The 2025 grants show support for a range of charitable purposes. For example, the University of Hawaii Foundation received $14,737 for business college scholarships; Manoa Heritage Center received $10,000 for an oral history program; and Palama Settlement received $10,000 for digitizing archive photographs.
The grantees describe their own work in varied terms. Manoa Heritage Center says it is a living classroom dedicated to Hawaii’s cultural and natural heritage. Palama Settlement describes itself as a community-based social service agency serving the Kalihi and Palama neighborhoods with educational, recreational, cultural, health, and other programs. The University of Hawaii Foundation says it raises philanthropic support and manages investments to benefit the University of Hawaii, the people of Hawaii, and future generations.
Grantmaking
In filing year 2025, the foundation reported 23 grants totaling $119,987. Grant amounts ranged from $100 to $15,350, with a median of $5,000.
Among the largest grants were $15,350 to Appraisal Inst Ed Trust for a general fund and online catalog customization; $15,000 to Hawaii Youth Symphony for its Music in the Clubhouse program; $14,737 to the University of Hawaii Foundation for business college scholarships; and $10,600 to St Francis Healthcare Foundation of Hawaii for a vital signs monitor and docking station. Other $10,000 grants went to All Roads for kitchen equipment, coffee, and related items; Manoa Heritage Center for an oral history program; and Palama Settlement for digitizing archive photographs.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Tan Tek Lum as chairman, Jon Tek Lum as vice-chairman, and Wing Tek Lum as secretary.
Louise & Yt Lum Foundation is led by Tan Tek Lum, Chairman on every filing since 2020; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Tan Tek Lum
Chairman
On filings since 2020
No compensation reported
Jon Tek Lum
Vice Chairman
On filings since 2020
No compensation reported
Wing Tek Lum
Secretary
On filings since 2020
No compensation reported
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 Louise & Yt Lum Foundation
How much does Louise & Yt Lum Foundation give each year?
Louise & Yt Lum Foundation gave $120K across 23 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $110K across 22 grants.
What is Louise & Yt Lum Foundation's typical grant size?
Louise & Yt Lum Foundation's median grant in 2025 was $5,000, and its average grant was $5,217, across 23 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Louise & Yt Lum Foundation that year got $5K on average.
Where does Louise & Yt Lum Foundation give grants?
Louise & Yt Lum Foundation gives mostly in Hawaii: 69% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Illinois (13%) and Colorado (8%). The most frequent recipient cities were Honolulu, HI (13 grants) and Chicago, IL (3 grants).
Does Louise & Yt Lum Foundation give general operating support?
Yes: 61% of Louise & Yt Lum Foundation's 2025 grants with a stated purpose (14 of 23) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Louise & Yt Lum Foundation's largest grantees?
Louise & Yt Lum Foundation's largest 2025 grantees include Appraisal Inst Ed Trust ($15,350), Hawaii Youth Symphony ($15,000) and University of Hawaii Foundation ($14,737), according to its 2025 IRS Form 990-PF. Together they received 38% of its itemized 2025 grant dollars.
How large is Louise & Yt Lum Foundation?
Louise & Yt Lum Foundation reported $2.4M in total assets on its 2025 IRS Form 990-PF. It paid out $122K in qualifying distributions that year, against a required minimum of $125K (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 does Louise & Yt Lum Foundation fund?
No foundation mission statement is provided. The 2025 grants show support for a range of charitable purposes. See mission & focus areas ↑
How do I apply for a grant from Louise & Yt Lum Foundation?
The filing lists Wing Tek Lum as the contact and requests a letter specifying the proposed utilization of funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Louise & Yt Lum Foundation's EIN?
Louise & Yt Lum Foundation's EIN (Employer Identification Number) is 23-7115682. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 10, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 11, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS April 27, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 6, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 13, 2025)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in Louise & Yt Lum Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). Louise & Yt Lum Foundation funder profile. GrantGraph. Retrieved October 5, 2026, from https://grantable.co/funders/louise-and-yt-lum-foundation-morg_aa098b89524e48059e3e00014ded9911
BibTeX
@misc{grantable_237115682_2026,
author = {{Grantable}},
title = {{Louise \& Yt Lum Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/louise-and-yt-lum-foundation-morg_aa098b89524e48059e3e00014ded9911},
note = {Accessed 2026-10-05. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Louise & Yt Lum 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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