Zoological Society of Milwaukee Endowment Trust

Public charity · Grantmaker Milwaukee, WI EIN: 39-6795665

To provide support & funding for the mission of the zoological society of milwaukee & the Milwaukee county zoo.

Key facts about Zoological Society of Milwaukee Endowment Trust

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.

EIN
39-6795665
Latest 990 filing
Form 990, 2025
Annual giving (2025)
$347,443
Grants made (2025)
1
Average grant
$347,443
Median grant
$347,443
Total assets
$14,385,299
Primary geography
Wisconsin (100% of itemized 2025 grant dollars)

Data from IRS Form 990, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990 · View filing

Total Assets

$14.4M

+12.9% YoY

Annual Giving

$347K

+15.9% YoY

Grant Count

1

+0.0% YoY

Avg Grant Size

$347K

+15.9% YoY

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.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of the 2025 grant dollars on its one itemized grant.

States

Cities

Milwaukee

Giving Over Time

Total grant dollars and number of grants per year

$0$1M$2M$3M$4M1 grant2019 1 grant2020 1 grant2021 2 grants2022* Covers 15 months (fiscal year-end changed)1 grant2023 1 grant2024 1 grant2025

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).

Grant Insights

How this funder distributes its grants

Top Recipients

Top recipient in 2025

Zoological Society of Milwaukee: $347KZoological Society ofMilwaukee$347K

The largest 2025 recipient was Zoological Society of Milwaukee ($347K).

Grant Size Distribution

6 grants across all recorded years

<$50K$50–100K2$100–250K4$250–500K$500K–1M$1–5M$5M+

The most common grant size was in the $250–500K range: 4 grants of 6 (67%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Zoological Society of Milwaukee Milwaukee, WITo support the mission of the zoological society of milwaukee$347,443

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Net Investment Income
$0$1M$2M$3M$4M2019 2020 2021 2022* Covers 15 months (fiscal year-end changed)2023 2024 2025

*2022: Covers 15 months (fiscal year-end changed).

Metric202520242023
Total Assets$14,385,299$12,741,147$11,742,061
Revenue$1,032,049$720,525$1,893,716
Expenses$429,016$368,714$439,347
Net Investment Income$948,827$602,870$1,093,719

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990 for fiscal year 2024 (received by the IRS October 2, 2025)
  2. Updated Form 990 for fiscal year 2025 (received by the IRS June 24, 2026)
  3. Updated Form 990 for fiscal year 2019 (received by the IRS April 29, 2020)
  4. Updated Form 990 for fiscal year 2020 (received by the IRS April 30, 2021)
  5. Updated Form 990 for fiscal year 2021 (received by the IRS June 1, 2022)
  6. Updated Form 990 for fiscal year 2022 (received by the IRS May 3, 2023)
  7. Updated Form 990 for fiscal year 2023 (received by the IRS September 5, 2024)

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.

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