Private Foundation

ANTONIA FOUNDATION INCco F MICHAEL ARNOW

ANTONIA FOUNDATION INCco F MICHAEL ARNOW is a private foundation categorized as Private Foundation based in MILWAUKEE, WI. Its most recent IRS filing (2025) reports revenue of $995K, expenses of $770K, total assets of $10.0M. Imperigo tracks 113 reported grants from this foundation totaling approximately $3.2M.

EIN: 391717099 MILWAUKEE, WI Latest filing: 2025

Total Revenue$995K

Total Expenses$770K

Total Assets$10.0M

Grants Given113

Grant Total$3.2M

Filing Years2021–2025

Sample Grants Given

URBAN ECOLOGY CENTER

MILWAUKEE, WI · 2024

TO SUPPORT NEIGHBORHOODENVIRO ED PROJECT/PRAIRIE RESTORATION

$175,000

MILWAUKEE PUBLIC MUSEUM

MILWAUKEE, WI · 2024

TO SUPPORT BIOBLITZAND FIELD STATIONEDUCATIONAL SPACE

$110,000

MEQUON NATURE PRESERVE

MEQUON, WI · 2024

TO SUPPORT FELLOWSPROGRAM & WATERQUALITY & AG PROGS

$85,000

INTERNATIONAL CRANE FOUNDATION

BARABOO, WI · 2024

TO SUPPORT EDUCATIONALPROGRAMMING ANDWELCOME CENTER THEATER

$80,000

HUNGER TASK FORCE

WEST MILWAUKEE, WI · 2024

TO SUPPORT FARMOPERATIONS

$50,000

Showing up to 5 of 113 total records — full history available with membership.

Officers & Directors

PRESIDENT Annette Marra

DIRECTOR Christine Nuernberg

SECRETARY Denasha A Scott

TREASURER F Michael Arnow

DIRECTOR Kathleen Ryan

VICE PRES Laura J Arnow

Officer compensation and complete director data available with membership.

Top Grant Purposes

TO SUPPORT EDUCATIONALPROGRAMMING ANDSARUS CRANE EXHIBIT

$445,000 6 grants

TO SUPPORT NEIGHBORHOODENVIRO ED PROJECT/PRAIRIE RESTORATION

$350,000 2 grants

TO SUPPORT FELLOWSPROGRAM & WATERQUALITY MONITORING PROG

$304,000 6 grants

TO SUPPORT NEIGHBORHOODENVIRONMENTALEDUCATION PROJECT

$285,000 5 grants

TO SUPPORT ANIMALAMBASSADOR & STUDENTINTERN PROGRAMS

$270,940 7 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$995K	$770K	$10.0M
2024	$1.4M	$656K	$9.7M
2023	$5.4M	$527K	$9.0M
2022	$728K	$373K	$4.2M
2021	$633K	$380K	$3.9M

Between 2021 and 2025, reported annual revenue grew from $633K to $995K (+57%), with total assets most recently reported at $10.0M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in WI.

Full geographic grant map with state-by-state breakdown available with membership.

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