The Limestone Foundation is a private foundation based in Boston, Massachusetts, established in 2015. It operates as a left-of-center family foundation and is one of two successor organizations to the Stoneman Family Foundation, continuing the grantmaking philosophy of its predecessor.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$46.2M
+12.5% YoY
Annual Giving
$2.5M
-24.5% YoY
Grant Count
29
-29.3% YoY
Avg Grant Size
$85K
+6.8% YoY
Mission & Focus Areas
The foundation maintains a left-of-center grantmaking philosophy focused on supporting organizations aligned with progressive values and policy priorities.
Grantmaking
The Limestone Foundation awarded $2,036,000 in grants in 2023. Recent grants include:
Grant Types
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Geographic Focus
Where this funder awards grants
The foundation supports organizations operating across multiple states, including New Mexico and Kentucky, with a national grantmaking scope.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of December 31, 2023:
- Total Assets: $41,079,842
- Total Revenues: $2,707,498
- Total Expenses: $4,279,740
- Grants Awarded: $2,036,000
The foundation has no employees and operates as a grantmaking organization.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $46,235,005 | $41,079,842 | $42,653,769 |
| Revenue | $8,564,016 | $2,707,498 | $1,259,161 |
| Expenses | $3,408,853 | $4,279,740 | $3,047,964 |
| Qualifying Distributions | $2,834,337 | $3,626,710 | $2,425,058 |
| Net Investment Income | $7,972,219 | $2,121,245 | $746,787 |
| Distributable Amount | $2,794,930 | $2,732,378 | $2,899,014 |
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
171 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 |
|---|---|---|---|
| ELIZABETH DEKNATEL | TRUSTEE | 2 | — |
| MARIA DEKNATEL | TRUSTEE | 2 | — |
| GABRIEL DEKNATEL | TRUSTEE | 2 | — |
| ALAN ROTTENBERG | TRUSTEE | 2 | — |
| DAVID WOOD | TRUSTEE | 2 | — |
Contact Information
Address: Goulston Storrs 1 Post Office, Boston, MA 02109
Telephone: 617-482-1776
EIN: 47-7017224
Subject Areas
Focus areas based on grantmaking activity
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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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