The Klarman Family Foundation
The Klarman Family Foundation is a private grantmaking foundation based in Boston, Massachusetts, established in 1991. The foundation seeks to identify areas of unmet need and advance solutions to addressing them, with the intention of helping make measurable progress in improving the lives of others.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$713.2M
-4.1% YoY
Annual Giving
$82.2M
-8.7% YoY
Grant Count
260
-20.7% YoY
Avg Grant Size
$316K
+15.2% YoY
Mission & Focus Areas
The foundation's mission emphasizes identifying unmet needs and advancing solutions through creative thinking, strategic leadership, and strong organizations. Primary funding focus areas include:
- Education
- Human Services
- Social Justice
- Human Rights
- Dental Health
- School Health
- Housing and Community Development
- Arts and Culture
- Medical and Scientific Research
Grantmaking
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Geographic Focus
Where this funder awards grants
The foundation primarily funds organizations in Massachusetts, New York, and the District of Columbia, with particular emphasis on Massachusetts-based initiatives.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of 2024:
- Total Assets: $713.2 million
- Total Revenue: $74.5 million
- Total Expenses: $105 million
- Total Giving: $82.2 million
As of 2023:
- Total Assets: $744 million
- Total Revenue: $72.5 million
- Total Expenses: $109.5 million
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $713,242,338 | $744,037,214 | $781,032,266 |
| Revenue | $74,495,257 | $72,505,265 | $132,725,348 |
| Expenses | $105,297,791 | $109,524,195 | $106,605,858 |
| Qualifying Distributions | $89,191,517 | $96,112,184 | $91,871,782 |
| Net Investment Income | $44,687,350 | $60,134,025 | $67,523,313 |
| Distributable Amount | $50,055,741 | $46,944,408 | $48,603,861 |
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
201 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
- Seth A Klarman – Trustee (5 hours/week)
- Beth S Klarman – Trustee (15 hours/week)
- Kim McCabe – President
- Steven Moore – Chief Operating Officer
- Jonathan Horowitz – Chief Program Officer
- Laura Sherman – Director, Local Initiatives
- Erin Samuel – Director, Grantmaking
- Yulya Spantchak – Director, Strategy
- Alexandria Jose – Controller
The foundation employs approximately 14-17 staff members.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Seth A Klarman | Trustee | 5 | — |
| Beth S Klarman | Trustee | 15 | — |
| Kim McCabe | President | 40 | $544,000 |
| Steven Moore | Chief Operating Officer | 40 | $390,000 |
Recent News & Activity
Recent developments and announcements
The foundation has been active in supporting major research initiatives and community development projects. Recent notable grants include significant support for The Broad Institute's Cell Observatory project and ongoing support for climate and conservation work through ClimateWorks Foundation. The foundation has also partnered with other funders on initiatives including the Barr-Klarman Massachusetts Arts Initiative and contributed to Boston Public Schools' arts expansion initiatives.
Broad Institute awarded $32.5M grant to launch new 'Cell ObservatorySubject 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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