Dennis K and Vivian D Siemer is a private foundation focused on Education, based in Mankato, MN. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $167K in total assets. In 2025, it awarded 1 grant totaling $14K. Net investment income was $12K.
Key facts about Dennis K and Vivian D Siemer
In short: Dennis K and Vivian D Siemer gave $14K across 1 grant in 2025 (avg $14K), mostly in Minnesota. Source: 2025 IRS Form 990-PF.
- EIN
- 41-1957558
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $14,000
- Grants made (2025)
- 1
- Average grant
- $14,000
- Median grant
- $14,000
- Total assets
- $166,941
- Primary geography
- Minnesota (100% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$167K
+7.1% YoY
Annual Giving
$14K
+12.0% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$14K
+12.0% YoY
Under IRS private-foundation payout rules, Dennis K and Vivian D Siemer reported a distributable amount of $8K for 2025 — the minimum it must pay out in qualifying distributions.
How Dennis K and Vivian D Siemer gives
- Giving grew 109% from 2022 to 2025. Method
- In 2025 it paid out 181% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $3K (2019) to $14K (2025). In 2025 it made 1 grant totaling $14K.
Grant Insights
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was ISD #77 - Mankato Area Public Schools ($14K).
Grant Size Distribution
7 grants across all recorded years
The most common grant size was under $50K: 7 grants of 7 (100%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| ISD #77 - Mankato Area Public Schools Mankato, MN | To support educational opportunities at the high school level. | $14,000 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $166,941 | $155,907 | $142,546 |
| Revenue | $27,137 | $28,986 | $15,455 |
| Expenses | $16,103 | $15,625 | $16,323 |
| Qualifying Distributions | $14,987 | $14,079 | $14,911 |
| Net Investment Income | $11,675 | $11,073 | $9,169 |
| Distributable Amount | $8,291 | $7,289 | $7,094 |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS July 14, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS June 22, 2022)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS June 22, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS July 26, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 8, 2024)
- Added Form 990-PF for fiscal year 2024 (received by the IRS July 7, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 28, 2026)
- IRS filings on file for fiscal years 2019–2023
Leadership & Key People
Officers and directors from IRS filings
Dennis K and Vivian D Siemer is led by Dennis K. Siemer, President on every filing since 2019; none of the 8 officers listed in 2025 report compensation.
Officers on the 2025 filing
Dennis K. Siemer
President
On filings since 2019
0.5 hrs/week
No compensation reported
Peter Kuhlman
Director
On filings since 2022
0.5 hrs/week
No compensation reported
Henry Panowitsch
Director
On filings since 2024
0.5 hrs/week
No compensation reported
Ronald Bennett
Director
On filings since 2024
0.5 hrs/week
No compensation reported
Diane Dobitz
Director
New on the 2025 filing
0.5 hrs/week
No compensation reported
Kristy Schuck
Director
New on the 2025 filing
0.5 hrs/week
No compensation reported
Vivian D. Siemer
Vice President
Secretary → Secretary & Treasurer, 2020
Secretary & Treasurer → Vice President, 2025
On filings since 2019
0.5 hrs/week
No compensation reported
Susan Chambers
Secretary & Treasurer
Director → Secretary & Treasurer, 2025
On filings since 2024
0.5 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "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 Dennis K and Vivian D Siemer
How much does Dennis K and Vivian D Siemer give each year?
Dennis K and Vivian D Siemer gave $14K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $13K across 1 grant.
How large is Dennis K and Vivian D Siemer?
Dennis K and Vivian D Siemer reported $167K in total assets on its 2025 IRS Form 990-PF. It paid out $15K in qualifying distributions that year, against a required minimum of $8K (roughly 5% of its investment assets).
What is Dennis K and Vivian D Siemer?
Dennis K and Vivian D Siemer is a private foundation focused on Education, based in Mankato, MN. It holds $167K in total assets as of 2025.
Where does Dennis K and Vivian D Siemer operate?
Dennis K and Vivian D Siemer has awarded grants in Minnesota.
What is Dennis K and Vivian D Siemer's EIN?
Dennis K and Vivian D Siemer's EIN (Employer Identification Number) is 41-1957558. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
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