Private Foundation

WILLIAM SIEKMAN FDN

WILLIAM SIEKMAN FDN is a Private Foundation headquartered in CHICAGO, IL. Financial data from the 2025 filing: $180K revenue, $154K expenses, $2.1M total assets. IRS filings disclose 208 grants awarded by this foundation, totaling roughly $941K.

EIN: 396539731 CHICAGO, IL Latest filing: 2025

Total Revenue$180K

Total Expenses$154K

Total Assets$2.1M

Grants Given208

Grant Total$941K

Filing Years2021–2025

Sample Grants Given

HOPE CLINIC & CARE CENTER

APPLETON, WI · 2025

GENERAL OPERATING PURPOSES

$15,000

THE APPLETON CEMETERY ASSOCIATION

APPLETON, WI · 2025

GENERAL OPERATING PURPOSES

$15,000

AMIGO CLUB OF ASHLAND OREGON INC

ASHLAND, OR · 2025

GENERAL OPERATING PURPOSES

$10,000

PLYMOUTH CONGREGATIONAL CHURCH

RACINE, WI · 2025

GENERAL OPERATING PURPOSES

$10,000

HILLSDALE COLLEGE

HILLSDALE, MI · 2025

GENERAL OPERATING PURPOSES

$8,500

Showing up to 5 of 208 total records — full history available with membership.

Officers & Directors

TRUSTEE Bmo Bank N A

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL OPERATING PURPOSES

$824,569 174 grants

PROGRAM SUPPORT

$98,255 26 grants

GENERAL OPERATIING PURPOSES

$18,500 8 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$180K	$154K	$2.1M
2024	$123K	$139K	$2.1M
2023	$86K	$138K	$2.1M
2022	$35K	$158K	$2.2M
2021	$140K	$142K	$2.3M

Between 2021 and 2025, reported annual revenue grew from $140K to $180K (+29%), with total assets most recently reported at $2.1M.

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

Grant Geography

Grants from this foundation were reported to recipients in FL, MI, OR, TX, WI.

FLMIORTXWI

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

See the full picture for WILLIAM SIEKMAN FDN

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Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports