Louis W Riethmann Jr Foundation
Louis W Riethmann Jr Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in CLAYTON, MO. IRS filing data is available from 2020 through 2025. In 2025, it awarded 1 grants totaling $111K.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$111K
+5.3% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$111K
+5.3% YoY
About Louis W Riethmann Jr Foundation
Based on IRS filings
Louis W Riethmann Jr Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in CLAYTON, MO. IRS filing data is available from 2020 through 2025. In 2025, it awarded 1 grants totaling $111K.
Focus Areas
Ready to take the next step with Louis W Riethmann Jr Foundation?
Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| 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 1 recipients in 2025
Grant Size Distribution
5 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest include Loyola Academy of St Louis ($111,346).
| Recipient | Purpose | Amount |
|---|---|---|
| Loyola Academy of St Louis ST LOUIS, MO | GENERAL OPERATIONS | $111,346 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| LOUIS W RIETHMANN III | CO-TRUSTEE | 2 | — |
| JOHN D SCHAPERKOTTER | CO-TRUSTEE | 2 | $2,316 |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Louis W Riethmann Jr Foundation?
Louis W Riethmann Jr Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in CLAYTON, MO. It holds — in total assets as of 2025.
Where does Louis W Riethmann Jr Foundation operate?
Louis W Riethmann Jr Foundation has awarded grants in Missouri.
What size grants does Louis W Riethmann Jr Foundation award?
In 2025, Louis W Riethmann Jr Foundation awarded 1 grants totaling $111K — an average of about $111K per grant, based on its IRS Form 990 filings.
What is Louis W Riethmann Jr Foundation's EIN?
Louis W Riethmann Jr Foundation's EIN (Employer Identification Number) is 46-0645591. IRS Form 990 filing data is available on this page for 2020–2025.
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.