Bonsen Foundation
CAMBRIDGE, MA EIN: 82-4380106
Financial Overview
From 2024 IRS Form 990-PF
Total Assets
$4.5M
-5.8% YoY
Annual Giving
$330K
+32.0% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$330K
+32.0% YoY
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Financial History
Multi-year comparison from IRS filings
Revenue
Expenses
Qualifying Distributions
Net Investment Income
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $4,472,895 | $4,746,096 | $5,020,374 |
| Revenue | $115,706 | $117,152 | $83,903 |
| Expenses | $410,201 | $267,624 | $634,711 |
| Qualifying Distributions | $330,000 | $250,000 | $600,000 |
| Net Investment Income | $35,505 | $99,528 | $49,192 |
| Distributable Amount | $238,834 | $238,085 | $265,953 |
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
6 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Who else does Bonsen Foundation fund?
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Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| JOOST P BONSEN | President | 10 | — |
Geographic Focus
Where this funder has awarded grants
Grant Distribution by State
Massachusetts $1.4M (100%)
New York $5K (0%)
States
Cities
CambridgeNew York
Data last updated March 2026. Sourced from IRS Form 990-PF filings.
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