Neil & Mary Kosasa Foundation
Neil & Mary Kosasa Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in Honolulu, HI. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $630K in total assets. Net investment income was $22K.
Key facts about Neil & Mary Kosasa Foundation
- EIN
- 71-0908953
- Latest 990 filing
- Form 990-PF, 2024
- Total assets
- $630,132
Data from IRS Form 990-PF, 2024; updated September 2026.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$630K
+5.0% YoY
Revenue
$37K
+168.1% YoY
Net Investment Income
$22K
+126.5% YoY
Expenses
$7K
-94.2% YoY
Under IRS private-foundation payout rules, Neil & Mary Kosasa Foundation reported a distributable amount of $34K for 2024 — the minimum it must pay out in qualifying distributions.
How Neil & Mary Kosasa Foundation gives
- Giving held roughly steady from 2020 to 2023 (−4%). Method
- In 2023 it paid out 351% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Ready to take the next step with Neil & Mary Kosasa Foundation?
Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 0 recipients in 2024
Grant Size Distribution
6 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for 2024.
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $630,132 | $600,400 | $708,396 |
| Revenue | $36,789 | $13,724 | $143,423 |
| Expenses | $7,061 | $121,720 | $20,294 |
| Qualifying Distributions | — | $115,000 | $13,000 |
| Net Investment Income | $21,843 | $9,644 | $16,129 |
| Distributable Amount | $33,684 | $32,733 | $29,190 |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Officers and directors from IRS filings
Neil & Mary Kosasa Foundation is led by Isaac M Kosasa, President & Vice President on every filing since 2020; none of the 3 officers listed in 2024 report compensation.
Officers on the 2024 filing
Isaac M Kosasa
President & Vice President
On filings since 2020
No compensation reported
Eiko Kosasa
Treasurer & Director
On filings since 2020
No compensation reported
Karen E Kosasa
Secretary & Director
On filings since 2020
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "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 Neil & Mary Kosasa Foundation
How large is Neil & Mary Kosasa Foundation?
Neil & Mary Kosasa Foundation reported $630K in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $37K.
What is Neil & Mary Kosasa Foundation?
Neil & Mary Kosasa Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Honolulu, HI. It holds $630K in total assets as of 2024.
Where does Neil & Mary Kosasa Foundation operate?
Neil & Mary Kosasa Foundation has awarded grants in Hawaii.
How much is Neil & Mary Kosasa Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Neil & Mary Kosasa Foundation reported a distributable amount of $34K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Neil & Mary Kosasa Foundation's EIN?
Neil & Mary Kosasa Foundation's EIN (Employer Identification Number) is 71-0908953. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Here's the math on researching Neil & Mary Kosasa Foundation by hand.
Explore Open Grants
Browse active grant opportunities in Neil & Mary Kosasa Foundation's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
Sentry Insurance Foundation Inc
Stevens Point, WI
The foundation supports education, workforce development, United Way, and local organizations that improve quality of life and build equitable communities, especially in Wisconsin and Hawaii, including Maui. Its 2024 grants had a median of $1,500, though awards ranged widely; it accepts requests by letter to Sentry Insurance stating the organization’s purpose and requested amount.
Assets
—
Grants
271
Total Given
$7.3M
Macnaughton Foundation
Honolulu, HI
The MacNaughton Foundation supports education, healthcare, housing, homelessness, arts, sustainability, job creation, and community development, primarily in Hawaii. Its 2025 grants ranged from $206 to $25,000, with a median of $5,000. It gives only to preselected charitable organizations and does not accept unsolicited requests.
Assets
$470K
Grants
20
Total Given
$124K
Asb Charitable Foundation
Honolulu, HI
Assets
$190K
Grants
1
Total Given
$10K
Wright Foundation
Sammamish, WA
Assets
$2.8M
Grants
13
Total Given
$266K
Change Happens Foundation
Urbandale, IA
Change Happens Foundation funds environmental science, education, and human services, including sustainable environmental solutions, early education and STEM, and nutrition and community health. Its 2024 grants ranged from $250 to $50,000, with a median of $17,500; it supports national or global work and local initiatives primarily in Iowa, with occasional funding in the San Francisco Bay Area, Santa Barbara County, and Puget Sound. It accepts online letters of inquiry and invites selected applicants to submit a full proposal.
Assets
$17.8M
Grants
12
Total Given
$255K
Ernest H Hui Family Foundation
Kaneohe, HI
Assets
$1.4M
Grants
25
Total Given
$55K
TMT International Observatory LLC
Pasadena, CA
See schedule o
Assets
$227.9M
Grants
4
Total Given
$96K
The Tinybell Charitable Fund
Wilmington, DE
Assets
$15.4M
Grants
11
Total Given
$453K
50BREAKTHROUGHS Foundation
Oakland, CA
This corporation will focus on products and services with a potential to improve the lives of the poor and under-served, including those related to improving access to nutritious food, the ability to live a healthy life, access to energy, the efficient functioning of agricultural systems, and also climate-change and environmental sustainability issues.
Assets
$7.1M
Grants
1
Total Given
$10K
Gary Broad Foundation
Los Angeles, CA
The Gary Broad Foundation funds hunger relief, animal welfare, education and youth development, health care, wildlife conservation, and community services, with most funding going to California and some to New York, Kentucky, Hawai‘i, and the District of Columbia. Its 2025 grants ranged from $10,000 to $50,000, with a median of $30,000. It gives only to preselected organizations and does not accept unsolicited requests.
Assets
$6.7M
Grants
29
Total Given
$835K
John M Ross Foundation
Honolulu, HI
Assets
$630K
Grants
3
Total Given
$25K
Hawaii Realtors Charitable Foundation
Honolulu, HI
The Hawai‘i REALTORS® Charitable Foundation supports community efforts addressing food insecurity and providing housing for people in need, including disaster relief and food assistance, primarily in Hawai‘i. Its 2024 grants ranged from $200 to $3,000, with a median of $2,500. It offered applications for Maui wildfire housing assistance, but the profile does not state whether it accepts unsolicited requests generally.
Assets
$102K
Grants
568
Total Given
$1.3M
More Funders in Hawaii
Neil & Mary Kosasa Foundation down — hundreds of funders to go?