Sudix Foundation
Sudix Foundation is a private foundation, based in Madison, WI. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $4.0M in total assets. In 2025, it awarded 1 grant totaling $60K. Net investment income was $44K.
Sudix Foundation at a glance
In short: Sudix Foundation gave $60K across 1 grant in 2025 (avg $60K), mostly in Wisconsin. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $60,000
- +0.0% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $60,000
- +0.0% vs 2024
- Median grant
- $60,000
- Total assets
- $4,029,202
- +8728.4% vs 2024
- Primary geography
- Wisconsin (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Sudix Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Kinship Foundation ($60K).
Grant Size Distribution
9 grants across all recorded years
The most common grant size was in the $50–100K range: 5 grants of 9 (56%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
Cities
How Sudix Foundation gives
- Giving fell 99% from 2022 to 2025. Method
- In 2025 it paid out 101% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $60K (2020) to $6.5M (2022). In 2025 it made 1 grant totaling $60K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Kinship Foundation Madison, WI | Kinship Conservation Fellowsunrestricted Use | $60,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $4,029,202 | $4,045,819 | $62,256 | $60,000 | 1 | $60,015 | $43,578 | $59,131 |
| 2024 | $45,639 | $3,177 | $62,498 | $60,000 | 1 | $60,015 | $694 | $3,089 |
| 2023 | $104,960 | $7,924 | $63,724 | $61,500 | 2 | $61,515 | $5,215 | $6,554 |
| 2022 | $160,760 | $6,607,196 | $6,451,678 | $6,450,000 | 4 | $6,450,015 | $28,730 | $51,769 |
| 2021 | $5,242 | $60,002 | $60,966 | $60,000 | 1 | $60,406 | — | $283 |
| 2020 | $6,206 | $50,063 | $60,546 | $60,000 | 1 | — | — | $996 |
Under IRS private-foundation payout rules, Sudix Foundation reported a distributable amount of $59K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Sudix Foundation is led by Katherine Thomson, President since 2023 (on filings since 2020); none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Katherine Thomson
President
Director → Director President, 2022
Director President → President, 2023
On filings since 2020
1 hr/week
No compensation reported
Rana Salti
Secretary & Treasurer
On filings since 2021
1 hr/week
No compensation reported
Former officers (2)
- Former: Suzanne S. Dixon (2020–2022) — President
- Former: Carol Buschman (2020) — Secretary & Treasurer
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Sudix Foundation
How much does Sudix Foundation give each year?
Sudix Foundation gave $60K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $60K across 1 grant.
How large is Sudix Foundation?
Sudix Foundation reported $4.0M in total assets on its 2025 IRS Form 990-PF. It paid out $60K in qualifying distributions that year, against a required minimum of $59K (roughly 5% of its investment assets).
Where does Sudix Foundation operate?
Sudix Foundation has awarded grants in Illinois, Wisconsin.
What is Sudix Foundation's EIN?
Sudix Foundation's EIN (Employer Identification Number) is 36-3377946. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 29, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in Sudix Foundation's focus areas in our free grants database
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