The Herbert a Middendorff Family Foundation
The Herbert a Middendorff Family Foundation is a private foundation, based in Cincinnati, OH. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $91K in total assets. In 2025, it awarded 2 grants totaling $12K. Net investment income was $9K.
The Herbert a Middendorff Family Foundation at a glance
In short: The Herbert a Middendorff Family Foundation gave $12K across 2 grants in 2025 (avg $6K), mostly in Ohio. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $11,750
- +3.1% vs 2024
- Grants made (2025)
- 2
- -33.3% vs 2024
- Average grant
- $5,875
- +54.6% vs 2024
- Median grant
- $5,875
- Total assets
- $90,666
- -2.5% vs 2024
- Primary geography
- Ohio (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated November 2026.
Who The Herbert a Middendorff Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2025
The largest 2025 recipient was Cincinnati Zoo ($6K). Together the top 2 received $12K.
Grant Size Distribution
6 grants across all recorded years
The most common grant size was under $50K: 6 grants of 6 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 2 itemized grants.
States
Cities
How The Herbert a Middendorff Family Foundation gives
- Giving grew 135% from 2022 to 2025. Method
- In 2025 it paid out 231% 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 2019 to 2025, annual grant giving ranged from $1K (2020) to $12K (2025). In 2025 it made 2 grants totaling $12K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Cincinnati Zoo Cincinnati, OH | To Support Continuing Operations | $6,000 |
| Indian Hill Church Cincinnati, OH | To Support Continuing Operations | $5,750 |
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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 | $90,666 | $13,548 | $15,855 | $11,750 | 2 | $11,750 | $9,443 | $5,077 |
| 2024 | $92,973 | $13,547 | $16,240 | $11,400 | 3 | $11,400 | $8,707 | $5,218 |
| 2023 | $95,666 | $1,875 | $7,370 | — | — | — | — | $5,208 |
| 2022 | $101,161 | $1,096 | $6,871 | $5,000 | 1 | $5,000 | $702 | $5,439 |
| 2021 | $104,752 | $9,172 | $4,525 | — | — | — | $4,647 | $6,010 |
| 2020 | $100,633 | $1,864 | $6,160 | $1,000 | 1 | — | — | $5,252 |
| 2019 | $104,928 | $4,926 | $7,426 | $3,000 | 2 | — | $836 | $5,224 |
Under IRS private-foundation payout rules, The Herbert a Middendorff Family Foundation reported a distributable amount of $5K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Herbert a Middendorff Family Foundation is led by Pamela Middendorff, President on every filing since 2019; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Pamela Middendorff
President
On filings since 2019
No compensation reported
Steve Mayne
Secretary
On filings since 2023
No compensation reported
Former officers (1)
- Former: Lauren Mayne (2019–2022) — Secretary & Treasurer
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 The Herbert a Middendorff Family Foundation
How much does The Herbert a Middendorff Family Foundation give each year?
The Herbert a Middendorff Family Foundation gave $12K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $11K across 3 grants.
How large is The Herbert a Middendorff Family Foundation?
The Herbert a Middendorff Family Foundation reported $91K in total assets on its 2025 IRS Form 990-PF. It paid out $12K in qualifying distributions that year, against a required minimum of $5K (roughly 5% of its investment assets).
Where does The Herbert a Middendorff Family Foundation operate?
The Herbert a Middendorff Family Foundation has awarded grants in Ohio.
What is The Herbert a Middendorff Family Foundation's EIN?
The Herbert a Middendorff Family Foundation's EIN (Employer Identification Number) is 31-1189832. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated November 2026. Sourced from IRS Form 990-PF filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS September 23, 2026)
- Updated Form 990-PF for fiscal year 2019 (received by the IRS July 9, 2020)
- IRS filings on file for fiscal years 2019–2024
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