ANTONIA FOUNDATION INCco F MICHAEL ARNOW

MILWAUKEE, WI EIN: 39-1717099

Antonia Foundation Inc is a private foundation based in Milwaukee, Wisconsin, established in 1991. The foundation operates as a 501(c)(3) organization with a primary focus on wildlife conservation, education, and habitat protection in the southeastern Wisconsin region.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

Annual Giving

$676K

+15.7% YoY

Grant Count

13

-13.3% YoY

Avg Grant Size

$52K

+33.5% YoY

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation's purpose is to benefit wildlife education and conservation efforts while protecting wildlife and wildlife habitat in and around southeastern Wisconsin. The foundation's sole activity is to disburse funds to benefit:

  • Conservation efforts
  • Nature educational programs
  • Wildlife and wildlife habitat protection
  • Food security initiatives
  • Wildlife rehabilitation and internship programs
  • University of Wisconsin-Milwaukee (UWM) and urban high school internships
  • Student education program scholarships

Grantmaking

The foundation made 15 grants in the most recent fiscal year (2025). Recent grants include:

Average Grant

amount of approximately $45,000 based on 15 grants distributed.

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Geographic Focus

Where this funder awards grants

The foundation primarily funds initiatives within Wisconsin, with a particular emphasis on southeastern Wisconsin. Documented funding locations include Baraboo, Hales Corners, Lake Geneva, Mequon, Milton, Milwaukee, Monona, Saukville, and West Milwaukee.

Grant Distribution by State

1states

States

Cities

BARABOOHALES CORNERSLAKE GENEVAMADISONMEQUONMILTONMILWAUKEEMONONASAUKVILLEWEST MILWAUKEE

Financial History

Multi-year comparison from IRS filings

Most Recent Fiscal Year (2025):

  • Total Assets: $9,972,497
  • Total Revenues: $994,887
  • Total Expenses: $769,511
  • Total Giving: $675,623
  • Number of Employees: 0

Previous Fiscal Year (2024):

  • Total Assets: $9,747,121
  • Total Expenses: $656,112
  • Total Revenues: $1,354,784
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.1202020212022202320242025
Metric202520242023
Total Assets
Revenue
Expenses
Qualifying Distributions
Net Investment Income
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$169K$338K$507K$676K14 grants202015 grants202115 grants202217 grants202315 grants202413 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

URBAN ECOLOGY CENTER$175KMILWAUKEE PUBLIC MUSEUM$110KMEQUON NATURE PRESERVE$85KINTERNATIONAL CRANE FOUN…$80KHUNGER TASK FORCE$50KZOOLOGICAL SOCIETY OF MILW$49KVIVENT HEALTH$46KWISCONSIN HUMANE SOCIETY$25KNEIGHBORHOOD HOUSE OF MI…$15KBOERNER BOTANICAL GARDENS$10K

Grant Size Distribution

75 grants across all recorded years

59<$50K13$50–100K3$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Leadership team and compensation from IRS filings

Foundation leadership includes:

  • Annette Marra - President
  • Laura J Arnow - Vice President
  • Denasha A Scott - Secretary
  • F Michael Arnow - Treasurer
  • Directors: Kathleen Ryan, Christine Nuernberg, Rachel J Arnow

Compensation Overview

From 2025 IRS filing

LAURA J ARNOWVICE PRES$20K

From 2025 filing

NameTitleHoursCompensation
ANNETTE MARRAPRESIDENT0.1
LAURA J ARNOWVICE PRES1.5$20,490
DENASHA A SCOTTSECRETARY0.1
F MICHAEL ARNOWTREASURER0.1
KATHLEEN RYANDIRECTOR0.1
CHRISTINE NUERNBERGDIRECTOR0.1
RACHEL J ARNOWDIRECTOR0.1

Contact Information

Address: 3966 North Lake Drive, Milwaukee, WI 53211-2448

Telephone: (414) 964-4000

EIN: 39-1717099

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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