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
Under IRS private-foundation payout rules, Isidor Wiesbader Foundation Inc reported a distributable amount of $116K for 2025 — the minimum it must pay out in qualifying distributions.
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
Among its reported 2025 grants, the largest include Albert Einstein College ($36,000), Hadassah ($36,000), American Red Cross ($15,000).
| Recipient | Purpose | Amount |
|---|---|---|
| ALBERT EINSTEIN COLLEGE BRONX, NY | ELEEMOSYNARY | $36,000 |
| AMERICAN RED CROSS WASHINGTON, DC | ELEEMOSYNARY | $15,000 |
| BNAI ZION FOUNDATION NEW YORK, NY | ELEEMOSYNARY | $15,000 |
| HADASSAH NEW YORK, NY | ELEEMOSYNARY | $36,000 |
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 |
Frequently Asked Questions
How large is Isidor Wiesbader Foundation Inc?
As of 2025, Isidor Wiesbader Foundation Inc holds $1.1M in total assets with $45K in annual revenue. It awarded 4 grants totaling $102K in 2025.
Where does Isidor Wiesbader Foundation Inc operate?
Isidor Wiesbader Foundation Inc has awarded grants in District of Columbia, New York.
What size grants does Isidor Wiesbader Foundation Inc award?
In 2025, Isidor Wiesbader Foundation Inc awarded 4 grants totaling $102K — an average of about $26K per grant, based on its IRS Form 990 filings.
How much is Isidor Wiesbader Foundation Inc required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, Isidor Wiesbader Foundation Inc reported a distributable amount of $116K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Isidor Wiesbader Foundation Inc's EIN?
Isidor Wiesbader Foundation Inc's EIN (Employer Identification Number) is 11-2849212. IRS Form 990 filing data is available on this page for 2020–2025.
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.