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 (2026) reports revenue of $1.2M, expenses of $832K, total assets of $10.4M. Imperigo tracks 130 reported grants from this foundation totaling approximately $4.0M.

EIN: 391717099 MILWAUKEE, WI Latest filing: 2026
Total Revenue$1.2M
Total Expenses$832K
Total Assets$10.4M
Grants Given130
Grant Total$4.0M
Filing Years2022–2026

Before you apply to Antonia Foundation Incco F Michael Arnow

Accepts applications Published application instructions on its 2026 Form 990-PF.

Rarely funds new orgs 13% of recent recipients were first-time grantees (2023–2025).

Who to contact, what to include, deadlines, typical grant size and geographic focus are available with membership.

Sample Grants Given

URBAN ECOLOGY CENTER
MILWAUKEE, WI · 2025
TO SUPPORT NEIGHBORHOODENVIRO ED PROJECT/PRAIRIE RESTORATION
$175,000
MILWAUKEE PUBLIC MUSEUM
MILWAUKEE, WI · 2025
TO SUPPORT BIOBLITZAND FIELD STATIONEDUCATIONAL SPACE
$110,000
INTERNATIONAL CRANE FOUNDATION
BARABOO, WI · 2025
TO SUPPORT EDUCATIONALPROGRAMMING ANDWELCOME CENTER THEATER
$80,000
MEQUON NATURE PRESERVE
MEQUON, WI · 2025
TO SUPPORT FELLOWSPROGRAM & WATERQUALITY & AG PROGS
$75,000
ZOOLOGICAL SOCIETY OF MILW
MILWAUKEE, WI · 2025
TO SUPPORT ANIMALAMBASSADOR & STUDENTINTERN PROGRAMS
$51,933

Showing up to 5 of 130 total records — full history available with membership.

Officers & Directors

PRESIDENT Annette Marra
SECRETARY Denasha A Scott
TREASURER F Michael Arnow
DIRECTOR Kathleen Ryan
VICE PRES Laura J Arnow
DIRECTOR Matthew Haas

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Support
$2,780,303 76 grants
Education
$696,500 17 grants
Food Assistance & Nutrition
$164,666 4 grants
Environment & Conservation
$135,705 12 grants
Research & Policy
$132,500 14 grants

Financial Trends

Year Revenue Expenses Assets
2026 $1.2M $832K $10.4M
2025 $995K $770K $10.0M
2024 $1.4M $656K $9.7M
2023 $5.4M $527K $9.0M
2022 $728K $373K $4.2M

Between 2022 and 2026, reported annual revenue grew from $728K to $1.2M (+67%), with total assets most recently reported at $10.4M.

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

Grant Geography

Grants from this foundation were reported to recipients in WI.

WI

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

See the full picture for ANTONIA FOUNDATION INCco F MICHAEL ARNOW

Complete financials, all 130 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 880,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports
7-day free trial Cancel any time