Harrison Greenberg Memorial Foundation
To make grants in furtherance of educational activities and programs about the environment, including marine life and ocean sustainability.
Harrison Greenberg Memorial Foundation at a glance
In short: Harrison Greenberg Memorial Foundation gave $14K across 1 grant in 2025 (avg $14K), mostly in California. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $13,659
- -91.2% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $13,659
- -91.2% vs 2024
- Median grant
- $13,659
- Total assets
- $785,771
- +11.8% vs 2024
- Primary geography
- California (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Harrison Greenberg Memorial Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Oceanographic Teaching Statio ($14K).
Grant Size Distribution
4 grants across all recorded years
The most common grant size was in the $100–250K range: 3 grants of 4 (75%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How Harrison Greenberg Memorial Foundation gives
- Giving fell 86% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $14K (2025) to $2.9M (2019). In 2025 it made 1 grant totaling $14K.
Hatched bars: grants paid as reported on the IRS filing, which lists no individual grants for that year.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Oceanographic Teaching Statio Manhattan Beac, CA | — | $13,659 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $785,771 | $132,074 | $120,545 | $13,659 | 1 | $155 |
| 2024 | $702,533 | $325,852 | $196,313 | $155,000 | 1 | $172 |
| 2023 | $524,573 | $173,773 | $188,929 | $125,000 | 1 | $50 |
| 2022 | $502,162 | $260,855 | $133,148 | $100,000 | 1 | $10 |
| 2021 | $415,746 | $196,132 | $148,574 | — | — | — |
| 2020 | $330,737 | $263,051 | $633,229 | $543,961 | Total only | $723 |
| 2019 | $674,051 | $673,388 | $3,043,908 | $2,901,635 | Total only | $42 |
"Total only": grants paid as reported on the IRS filing, which lists no individual grants for that year.
About Harrison Greenberg Memorial Foundation
Based on IRS filings
Harrison Greenberg Memorial Foundation is a public charity focused on Human Services, based in Manhattan Beach, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $786K in total assets. In 2025, it awarded 1 grant totaling $14K. Net investment income was $155.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Harrison Greenberg Memorial Foundation is led by Michael Greenberg, President & Director on every filing since 2019; none of the 5 officers listed in 2025 report compensation.
Officers on the 2025 filing
Michael Greenberg
President & Director
On filings since 2019
10 hrs/week
No compensation reported
David Weinberg
Director
On filings since 2019
1 hr/week
No compensation reported
Frank Moran
Director
On filings since 2019
1 hr/week
No compensation reported
Ira Leibowitz
Director
On filings since 2019
1 hr/week
No compensation reported
Robin Curren
Treasurer, Secretary & Director
On filings since 2019
15 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "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 Harrison Greenberg Memorial Foundation
How much does Harrison Greenberg Memorial Foundation give each year?
Harrison Greenberg Memorial Foundation gave $14K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $155K across 1 grant.
How large is Harrison Greenberg Memorial Foundation?
Harrison Greenberg Memorial Foundation reported $786K in total assets on its 2025 IRS Form 990. Its revenue that year was $132K.
What is Harrison Greenberg Memorial Foundation?
Harrison Greenberg Memorial Foundation is a public charity focused on Human Services, based in Manhattan Beach, CA. It holds $786K in total assets as of 2025.
Where does Harrison Greenberg Memorial Foundation operate?
Harrison Greenberg Memorial Foundation has awarded grants in California.
What is Harrison Greenberg Memorial Foundation's EIN?
Harrison Greenberg Memorial Foundation's EIN (Employer Identification Number) is 47-4200738. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2019 (received by the IRS February 23, 2021)
- Updated Form 990 for fiscal year 2020 (received by the IRS September 2, 2021)
- Updated Form 990 for fiscal year 2022 (received by the IRS May 4, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS May 15, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS May 14, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS May 15, 2026)
Live grants for the work Harrison Greenberg Memorial Foundation funds
Human Services Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Harrison Greenberg Memorial Foundation's focus areas in our free grants database
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Figures come from Harrison Greenberg Memorial 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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