Lawrence a & Joan E Siff Foundation
Lawrence a & Joan E Siff Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Worcester, MA. IRS filing data is available from 2019 through 2024. In 2024, it awarded 6 grants totaling $7K.
Key facts about Lawrence a & Joan E Siff Foundation
- EIN
- 42-1612889
- Latest 990 filing
- Form 990-PF, 2024
- Annual giving (2024)
- $6,550
- Grants made (2024)
- 6
- Average grant
- $1,092
- Median grant
- $850
- Primary geography
- Massachusetts (100% of itemized 2024 grant dollars)
Data from IRS Form 990-PF, 2024; updated September 2026.
Who Lawrence a & Joan E Siff Foundation funds
By grant dollars, the top recipient states for Lawrence a & Joan E Siff Foundation's 6 itemized 2024 grants were Massachusetts (100%). The most frequent recipient cities were Boston, MA (3 grants). 100% of grants with a stated purpose were for general or operating support.
How Lawrence a & Joan E Siff Foundation gives
- Giving fell 78% from 2021 to 2024. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Next steps with Lawrence a & Joan E Siff Foundation
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Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$7K
-39.2% YoY
Grant Count
6
-40.0% YoY
Avg Grant Size
$1K
+1.3% YoY
About Lawrence a & Joan E Siff Foundation
Based on IRS filings
Lawrence a & Joan E Siff Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Worcester, MA. IRS filing data is available from 2019 through 2024. In 2024, it awarded 6 grants totaling $7K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 6 itemized 2024 grant dollars.
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2019–2024
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2024
Grant Size Distribution
67 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest recipients include Museum of Science ($3,000), Two Ten International Footwear Foundation ($1,500), Franciscan Hospital for Children ($1,000).
| Recipient | Purpose | Amount |
|---|---|---|
| MUSEUM OF SCIENCE Boston, MA | GENERAL | $3,000 |
| TWO TEN INTERNATIONAL FOOTWEAR FOUNDATION Waltham, MA | GENERAL | $1,500 |
| FRANCISCAN HOSPITAL FOR CHILDREN Brighton, MA | GENERAL | $1,000 |
| THE WINDSOR SCHOOL Boston, MA | GENERAL | $700 |
| TUFTS UNIVERSITY Medford, MA | GENERAL | $200 |
| MUSEUM OF FINE ARTS Boston, MA | GENERAL | $150 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
No officer or director reported compensation in the available filings.
From 2024 IRS filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Lawrence a Siff | Trustee | 1 | — |
| Joan E Swartz-Siff | Trustee | 1 | — |
| Shirley S Siff | Trustee | 1 | — |
| Stefan Nathanson | Trustee | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Lawrence a & Joan E Siff Foundation?
Lawrence a & Joan E Siff Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Worcester, MA. It holds — in total assets as of 2024.
Where does Lawrence a & Joan E Siff Foundation operate?
Lawrence a & Joan E Siff Foundation has awarded grants in Massachusetts, Minnesota, New York, Ohio, Rhode Island, Washington.
What size grants does Lawrence a & Joan E Siff Foundation award?
In 2024, Lawrence a & Joan E Siff Foundation awarded 6 grants totaling $7K — an average of about $1K per grant, based on its IRS Form 990 filings.
What is Lawrence a & Joan E Siff Foundation's EIN?
Lawrence a & Joan E Siff Foundation's EIN (Employer Identification Number) is 42-1612889. IRS Form 990 filing data is available on this page for 2019–2024.
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Data last updated September 2026. Sourced from IRS Form 990-PF filings.