The Louis Foundation is a private independent foundation based in Cambridge, Massachusetts. Established in December 2006, it operates as a 501(c)(3) organization under the legal name "Langdon B Wheeler Ttee." The foundation focuses on grantmaking to charitable organizations across multiple sectors.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$164K
-79.9% YoY
Grant Count
31
-42.6% YoY
Avg Grant Size
$5K
-64.9% YoY
Mission & Focus Areas
The foundation's primary funding areas include:
- Education
- Science and STEM education
- Philanthropy, Voluntarism & Grantmaking
- Human Services
Grantmaking
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Geographic Focus
Where this funder awards grants
The foundation primarily funds organizations in Massachusetts, Vermont, and Rhode Island.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of December 2024:
- Total Assets: $1,558,005
- Total Revenue: $125,293
- Total Expenses: $170,057
- Total Liabilities: $0
Revenue Composition (2024):
- Investment income and dividends: $68,611
- Net gain from sale of non-inventory assets: $56,682
- Grants and contributions: $0
Year-over-Year Changes (2023–2024):
- Investment income declined 5.4%
- Net gains from asset sales increased 6.2%
Staffing:
- 0 employees
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
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
206 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 |
|---|---|---|---|
| LANGDON B WHEELER | TRUSTEE | 1 | — |
| M KATHERINE METCALFE | 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. Research dossier generated April 2026.
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