Isidor Wiesbader Foundation Inc
Isidor Wiesbader Foundation Inc is a private foundation, based in VALLEY STREAM, NY. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $1.1M in total assets. In 2025, it awarded 4 grants totaling $102K. Net investment income was $45K.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$1.1M
-6.0% YoY
Annual Giving
$102K
+6.3% YoY
Grant Count
4
+0.0% YoY
Avg Grant Size
$26K
+6.3% YoY
About Isidor Wiesbader Foundation Inc
Based on IRS filings
Isidor Wiesbader Foundation Inc is a private foundation, based in VALLEY STREAM, NY. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $1.1M in total assets. In 2025, it awarded 4 grants totaling $102K. Net investment income was $45K.
Ready to take the next step with Isidor Wiesbader Foundation Inc?
Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $1,098,333 | $1,168,693 | $1,240,511 |
| Revenue | $44,882 | $40,049 | $43,576 |
| Expenses | $114,750 | $111,250 | $121,275 |
| Qualifying Distributions | $107,250 | $101,250 | $111,275 |
| Net Investment Income | $44,882 | $42,191 | $44,464 |
| Distributable Amount | $116,306 | $106,968 | $102,973 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2025
Grant Size Distribution
20 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 |
|---|---|---|---|
| ROBERTA DIAMOND | TREASURER | — | $2,500 |
| DEBRA LANGENDORFF | SECRETARY/VP | — | $2,500 |
| ANDREW DIAMOND | PRESIDENT | — | — |
| MATTHEW DIAMOND | VICE-PRES | — | $2,500 |
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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