William & Susan Matheson Foundation Inc
William & Susan Matheson Foundation Inc is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in DE PERE, WI. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $3.7M in total assets. In 2024, it awarded 9 grants totaling $173K. Net investment income was $203K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$3.7M
+1.9% YoY
Annual Giving
$173K
+15.3% YoY
Grant Count
9
+28.6% YoY
Avg Grant Size
$19K
-10.4% YoY
About William & Susan Matheson Foundation Inc
Based on IRS filings
William & Susan Matheson Foundation Inc is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in DE PERE, WI. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $3.7M in total assets. In 2024, it awarded 9 grants totaling $173K. Net investment income was $203K.
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 | $3,671,267 | $3,602,225 | $3,680,391 |
| Revenue | $220,939 | $91,087 | $62,000 |
| Expenses | $191,497 | $169,253 | $137,270 |
| Qualifying Distributions | $173,245 | $150,325 | $91,000 |
| Net Investment Income | $202,687 | $74,659 | $16,080 |
| Distributable Amount | $194,366 | $170,084 | $171,486 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 9 recipients in 2024
Grant Size Distribution
33 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 |
|---|---|---|---|
| WILLIAM J MATHESON | PRESIDENT; TREASURER; DIRE | 1 | — |
| SUSAN M MATHESON | VICE PRES; SECRETARY; DIRE | 1 | — |
| EMILY E MARINOFF | DIRECTOR | 0.5 | — |
| JOSEPH W MATHESON | DIRECTOR | 0.5 | — |
| AMY MATHESON | DIRECTOR | 0.5 | — |
Subject Areas
Focus areas based on grantmaking activity
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Similar funders by location and focus area
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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