Muriel F Siebert Foundation Inc
Muriel F Siebert Foundation Inc is a private foundation established in New York in 1968. Based in Southampton, NY, the foundation operates as a 501(c)(3) organization with a focus on philanthropic giving across multiple sectors.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$40.5M
+1.0% YoY
Annual Giving
$1.2M
+32.3% YoY
Grant Count
102
+10.9% YoY
Avg Grant Size
$12K
+19.3% YoY
Mission & Focus Areas
The foundation's giving priorities include:
- Arts and culture
- Health
- Human services
- Education
- Philanthropy, voluntarism, and grantmaking
Grantmaking
The foundation primarily funds organizations in Texas, New York, and Oregon.
Average Grant
amount and median grant amount data available but specific figures not disclosed in sources
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
Assets & Revenue (2024):
- Total assets: $40,529,096
- Total revenue: $2,298,521
- Total expenses: $1,915,055
- Net income: $383,466
- Total liabilities: $0
Historical Assets: The foundation has maintained substantial assets, with total assets reaching $40.5 million as of the most recent filing.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $40,529,096 | $40,145,630 | $39,551,946 |
| Revenue | $2,298,521 | $2,044,922 | $25,615,744 |
| Expenses | $1,915,055 | $1,452,681 | $1,079,049 |
| Qualifying Distributions | $1,868,481 | $1,410,463 | $1,049,424 |
| Net Investment Income | $2,291,832 | $2,033,119 | $967,248 |
| Distributable Amount | $1,932,791 | $1,886,808 | $1,233,275 |
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 2024
Grant Size Distribution
250 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
Key personnel identified in foundation records include:
- Muriel F Siebert (President)
- Jane H Macon (Vice President/Treasurer)
- June Jaffee (Secretary)
- Patricia L Francy (President)
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| JANE H MACON | VICE PRESIDENT/TREASURER | 10 | $81,114 |
| JUNE JAFFEE | SECRETARY | 10 | $81,114 |
| PATRICIA L FRANCY | PRESIDENT | 10 | $81,114 |
Contact Information
- Address: 155 Hill Street, Apt 7, Southampton, NY 11968-5320
- Phone: 210-299-3517
- Website: www.thesiebertfoundation.org
- EIN: 13-6266367
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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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