Zoological Society of Milwaukee Endowment Trust
To provide support & funding for the mission of the zoological society of milwaukee & the Milwaukee county zoo.
Zoological Society of Milwaukee Endowment Trust at a glance
In short: Zoological Society of Milwaukee Endowment Trust gave $347K across 1 grant in 2025 (avg $347K), mostly in Wisconsin. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $347,443
- +15.9% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $347,443
- +15.9% vs 2024
- Median grant
- $347,443
- Total assets
- $14,385,299
- +12.9% vs 2024
- Primary geography
- Wisconsin (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Zoological Society of Milwaukee Endowment Trust funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Zoological Society of Milwaukee ($347K).
Grant Size Distribution
6 grants across all recorded years
The most common grant size was in the $250–500K range: 4 grants of 6 (67%).
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 History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $300K (2024) to $3.2M (2019). In 2025 it made 1 grant totaling $347K.
*2022: Covers 15 months (fiscal year-end changed).
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Zoological Society of Milwaukee Milwaukee, WI | To support the mission of the zoological society of milwaukee | $347,443 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $14,385,299 | $1,032,049 | $429,016 | $347,443 | 1 | $948,827 |
| 2024 | $12,741,147 | $720,525 | $368,714 | $299,729 | 1 | $602,870 |
| 2023 | $11,742,061 | $1,893,716 | $439,347 | $368,235 | 1 | $1,093,719 |
| 2022* | $9,956,271 | $1,559,130 | $433,245 | $380,132 | 2 | $833,878 |
| 2021 | $11,319,059 | $780,442 | $483,450 | $376,715 | 1 | $634,704 |
| 2020 | $10,165,650 | $627,640 | $870,789 | $836,147 | 1 | $580,942 |
| 2019 | $10,336,187 | $1,396,543 | $3,230,494 | $3,184,029 | 1 | $594,349 |
*2022: Covers 15 months (fiscal year-end changed).
About Zoological Society of Milwaukee Endowment Trust
Based on IRS filings
Zoological Society of Milwaukee Endowment Trust is a public charity focused on Environment & Animals, based in Milwaukee, WI. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $14.4M in total assets. In 2025, it awarded 1 grant totaling $347K. Net investment income was $949K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Zoological Society of Milwaukee Endowment Trust is led by Barry Sattell, Chairman on every filing since 2019; none of the 5 officers listed in 2025 report compensation.
Officers on the 2025 filing
Barry Sattell
Chairman
On filings since 2019
2 hrs/week
No compensation reported
Karen Peck Katz
Trustee
On filings since 2019
2 hrs/week
No compensation reported
Michael Grebe
Trustee
On filings since 2019
2 hrs/week
No compensation reported
Dave Strelitz
Trustee
On filings since 2021
2 hrs/week
No compensation reported
Joe Frohna
Trustee
On filings since 2021
2 hrs/week
No compensation reported
Former officers (1)
- Former: Ray Wilson (2019–2020) — Trustee
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 Zoological Society of Milwaukee Endowment Trust
How much does Zoological Society of Milwaukee Endowment Trust give each year?
Zoological Society of Milwaukee Endowment Trust gave $347K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $300K across 1 grant.
How large is Zoological Society of Milwaukee Endowment Trust?
Zoological Society of Milwaukee Endowment Trust reported $14.4M in total assets on its 2025 IRS Form 990. Its revenue that year was $1.0M.
What is Zoological Society of Milwaukee Endowment Trust?
Zoological Society of Milwaukee Endowment Trust is a public charity focused on Environment & Animals, based in Milwaukee, WI. It holds $14.4M in total assets as of 2025.
Where does Zoological Society of Milwaukee Endowment Trust operate?
Zoological Society of Milwaukee Endowment Trust has awarded grants in Wisconsin.
What is Zoological Society of Milwaukee Endowment Trust's EIN?
Zoological Society of Milwaukee Endowment Trust's EIN (Employer Identification Number) is 39-6795665. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2024 (received by the IRS October 2, 2025)
- Updated Form 990 for fiscal year 2025 (received by the IRS June 24, 2026)
- Updated Form 990 for fiscal year 2019 (received by the IRS April 29, 2020)
- Updated Form 990 for fiscal year 2020 (received by the IRS April 30, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS June 1, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS May 3, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS September 5, 2024)
Live grants for the work Zoological Society of Milwaukee Endowment Trust funds
Environment & Animals Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Zoological Society of Milwaukee Endowment Trust's focus areas in our free grants database
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