The Sondheimer Family is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WILMETTE, IL. IRS filing data is available from 2020 through 2021. In 2021, it awarded 2 grants totaling $9.6M. Net investment income was $4K.
Financial Overview
From 2021 IRS Form 990-PF · View filing
Total Assets
—
-100.0% YoY
Annual Giving
$9.6M
+2307.0% YoY
Grant Count
2
+100.0% YoY
Avg Grant Size
$4.8M
+1103.5% YoY
About The Sondheimer Family
Based on IRS filings
The Sondheimer Family is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WILMETTE, IL. IRS filing data is available from 2020 through 2021. In 2021, it awarded 2 grants totaling $9.6M. Net investment income was $4K.
Focus Areas
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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
| Metric | 2021 | 2020 |
|---|---|---|
| Total Assets | — | $1,853,248 |
| Revenue | $30,820 | $963,982 |
| Expenses | $9,696,787 | $447,349 |
| Qualifying Distributions | $9,648,972 | — |
| Net Investment Income | $4,116 | $933,697 |
| Distributable Amount | — | $364,845 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2021
Grant Size Distribution
3 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2021 grants, the largest include The Sondheimer Family Charitable Foundation Gift Account ($9,577,903), The National Philantrophic Trust ($50,000).
| Recipient | Purpose | Amount |
|---|---|---|
| THE NATIONAL PHILANTROPHIC TRUST JENKITOWN, PA | GRANT | $50,000 |
| THE SONDHEIMER FAMILY CHARITABLE FOUNDATION GIFT ACCOUNT WILMETTE, IL | GRANT | $9,577,903 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2021 IRS filing
From 2021 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| STUART P SONDHEIMER | TREASURER/DIRECTOR | — | — |
| IDA N SONDHEIMER | PRESIDENT | — | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is The Sondheimer Family?
The Sondheimer Family is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WILMETTE, IL. It holds — in total assets as of 2021.
Where does The Sondheimer Family operate?
The Sondheimer Family has awarded grants in Illinois, Pennsylvania.
What size grants does The Sondheimer Family award?
In 2021, The Sondheimer Family awarded 2 grants totaling $9.6M — an average of about $4.8M per grant, based on its IRS Form 990 filings.
What is The Sondheimer Family's EIN?
The Sondheimer Family's EIN (Employer Identification Number) is 26-3060552. IRS Form 990 filing data is available on this page for 2020–2021.
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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