Harris K & Lois G Oppenheimer Foundation
Harris K and Lois G Oppenheimer Foundation is a private foundation based in San Antonio, Texas. The foundation operates as a 501(c)(3) organization with no employees.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$2.6M
+3.0% YoY
Annual Giving
$163K
+4.5% YoY
Grant Count
51
-1.9% YoY
Avg Grant Size
$3K
+6.6% YoY
Mission & Focus Areas
The foundation's grant-making priorities include:
- Education
- Philanthropy, Voluntarism & Grantmaking
- Human Services
- Historic Buildings Preservation
- Historic Preservation
- Journalism
Grantmaking
The foundation does not currently list live grant opportunities.
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Geographic Focus
Where this funder awards grants
The foundation primarily supports organizations in Texas, New York, and Colorado.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
- Total Assets: $2,630,966
- Total Annual Giving: $162,550
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $2,630,966 | $2,553,382 | $2,581,963 |
| Revenue | $300,736 | $123,188 | $89,030 |
| Expenses | $196,378 | $183,269 | $198,165 |
| Qualifying Distributions | $171,582 | $162,924 | $178,134 |
| Net Investment Income | $275,940 | $102,843 | $91,586 |
| Distributable Amount | $184,617 | $171,687 | $162,920 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
Grant Size Distribution
250 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| CLAIRE O O'MALLEY | PRESIDENT, SEC, TREASURER | — | — |
| PAULINE WEISBERG | VICE PRESIDENT | — | — |
| ALEXANDER HARRIS WEISBERG | TRUSTEE | — | — |
| EDWARD J O'MALLEY | TRUSTEE | — | — |
| DANIEL H O'MALLEY | TRUSTEE | — | — |
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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