THE OAKRIVER FOUNDATION
Data sourced from IRS 990-PF public filings
Funds educational and charitable initiatives, with a focus on institutions like the University of Michigan Library and various museums in Northport, Michigan.
THE OAKRIVER FOUNDATION has 66 grants on file funding 20 organizations. Giving decreased from $216,500 in 2024 to $214,000 in 2025. Reported assets: $3,541,422.
Total Assets
$3,541,422
Grants (Last Year)
$214,000
Total Grants on File
66
Recipients Funded
20
Giving History
| Year | Total Granted | Grants Made | Avg Grant |
|---|---|---|---|
| 2025 | $214,000 | 13 | $16,462 |
| 2024 | $216,500 | 13 | $16,654 |
| 2023 | $214,000 | 12 | $17,833 |
| 2022 | $214,000 | 13 | $16,462 |
| 2021 | $218,500 | 15 | $14,567 |
Top Grant Recipients
ANN ARBOR, MI
ANDOVER, MA
ANN ARBOR, MI
Peoria, IL
Peoria, IL
Ann Arbor, MI
NORTHPORT, MI
Peoria, IL
Showing top 10 of 66 grants on file.
Officers & Trustees
From 2025 IRS 990-PF filing (data available for 15 filing years)
PETER HEIDRICH
TRUSTEE
WILLIAM HEIDRICH II
TRUSTEE
CAROLYN ZIEBARTHS
TRUSTEE
WILLIAM P HEIDRICH
TRUSTEE
IRS Filing History
THE OAKRIVER FOUNDATION has IRS 990-PF filings on record for 15 years, spanning 2011 to 2025.
Frequently Asked Questions
Other Foundations in Michigan
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