Hinterlong Foundation is a private foundation focused on Environment & Animals, based in ST CLAIR, MO. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $1.5M in total assets. In 2025, it awarded 1 grants totaling $3K. Net investment income was $8K.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$1.5M
+7.9% YoY
Annual Giving
$3K
-70.0% YoY
Grant Count
1
-50.0% YoY
Avg Grant Size
$3K
-40.0% YoY
About Hinterlong Foundation
Based on IRS filings
Hinterlong Foundation is a private foundation focused on Environment & Animals, based in ST CLAIR, MO. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $1.5M in total assets. In 2025, it awarded 1 grants totaling $3K. Net investment income was $8K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $1,488,947 | $1,380,175 | $1,386,342 |
| Revenue | $18,105 | $13,369 | $12,390 |
| Expenses | $9,333 | $19,383 | $20,757 |
| Qualifying Distributions | $8,494 | $15,414 | $13,672 |
| Net Investment Income | $7,709 | $4,232 | $1,899 |
| 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
8 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest include St Ann's Church ($3,000).
| Recipient | Purpose | Amount |
|---|---|---|
| ST ANN'S CHURCH WASHINGTON, MO | GENERAL USE | $3,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| MARTIN HINTERLONG | President | 2 | — |
| PAMELA HINTERLONG | Secretary | 2 | $1,000 |
| MARTIN HINTERLONG | Treasurer | — | — |
| PAMELA HINTERLONG | Vice President | — | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Hinterlong Foundation?
Hinterlong Foundation is a private foundation focused on Environment & Animals, based in ST CLAIR, MO. It holds $1.5M in total assets as of 2025.
How large is Hinterlong Foundation?
As of 2025, Hinterlong Foundation holds $1.5M in total assets with $18K in annual revenue. It awarded 1 grants totaling $3K in 2025.
Where does Hinterlong Foundation operate?
Hinterlong Foundation has awarded grants in Minnesota, Missouri.
What size grants does Hinterlong Foundation award?
In 2025, Hinterlong Foundation awarded 1 grants totaling $3K — an average of about $3K per grant, based on its IRS Form 990 filings.
What is Hinterlong Foundation's EIN?
Hinterlong Foundation's EIN (Employer Identification Number) is 20-8038145. IRS Form 990 filing data is available on this page for 2021–2025.
Explore Open Grants
Browse active grant opportunities in Hinterlong Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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