The Robert M Sonneborn & Hortense K
The Robert M Sonneborn & Hortense K is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BOCA RATON, FL. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $20K in total assets. In 2024, it awarded 1 grants totaling $1K. Net investment income was $2.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$20K
-11.7% YoY
Annual Giving
$1K
-11.4% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$1K
-11.4% YoY
About The Robert M Sonneborn & Hortense K
Based on IRS filings
The Robert M Sonneborn & Hortense K is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BOCA RATON, FL. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $20K in total assets. In 2024, it awarded 1 grants totaling $1K. Net investment income was $2.
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 | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $20,216 | $22,894 | $25,931 |
| Revenue | $2 | $2 | $2 |
| Expenses | $2,680 | $3,039 | $2,977 |
| Qualifying Distributions | $1,205 | $1,360 | $1,500 |
| Net Investment Income | $2 | $2 | $2 |
| Distributable Amount | $1,073 | $1,204 | $1,364 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 1 recipients in 2024
Grant Size Distribution
5 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 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| R Brady Osborne Jr | Trustee | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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