Funding search · EIN 396539731 · Chicago, IL
William Siekman Fdn
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 100
- grants reported
- $477,744
- total given
- 2022–2025
- filing years
- $3,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- The Appleton Cemetery Association4 grants · $60,000
- Lawrence University4 grants · $41,038
- Plymouth Congregational Church4 grants · $40,000
- Hillsdale College4 grants · $34,000
- Hope Clinic & Care Center4 grants · $32,285
- Smu-Dedman School of Law4 grants · $30,000
- Southern Oregon Univesity Fdn3 grants · $30,000
- Appleton Alliance Church4 grants · $25,000
- Beaming Incorporated3 grants · $20,000
- Thedacare Cancer Center4 grants · $20,000
Giving over time
Grant history
All 100 reported grants, largest first.
- $17,038
Lawrence University · Appleton, WI · 2022
General operating purposes
- $15,000
Hope Clinic & Care Center · Appleton, WI · 2025
General operating purposes
- $15,000
The Appleton Cemetery Association · Appleton, WI · 2025
General operating purposes
- $15,000
The Appleton Cemetery Association · Appleton, WI · 2024
General operating purposes
- $15,000
The Appleton Cemetery Association · Appleton, WI · 2023
General operating purposes
- $15,000
The Appleton Cemetery Association · Appleton, WI · 2022
General operating purposes
- $10,000
Amigo Club of Ashland Oregon · Ashland, OR · 2025
General operating purposes
- $10,000
Plymouth Congregational Church · Racine, WI · 2025
General operating purposes
- $10,000
Plymouth Congregational Church · Racine, WI · 2024
General operating purposes
- $10,000
Southern Oregon Univesity Fdn · Ashland, OR · 2024
General operating purposes
- $10,000
Beaming Incorporated · Neenah, WI · 2023
General operating purposes
- $10,000
Plymouth Congregational Church · Racine, WI · 2023
General operating purposes
- $10,000
Southern Oregon Univesity Fdn · Ashland, OR · 2023
General operating purposes
- $10,000
Beaming · Neenah, WI · 2022
General operating purposes
- $10,000
Plymouth Congregational Church · Coconut Grove, FL · 2022
Program support
- $10,000
Southern Oregon Univesity Fdn · Ashland, OR · 2022
General operating purposes
- $8,500
Hillsdale College · Hillsdale, MI · 2025
General operating purposes
- $8,500
Hillsdale College · Hillsdale, MI · 2024
General operating purposes
- $8,500
Hillsdale College · Hillsdale, MI · 2023
General operating purposes
- $8,500
Hillsdale College · Hillsdale, MI · 2022
General operating purposes
- $8,000
Lawrence University · Appleton, WI · 2025
General operating purposes
- $8,000
Lawrence University · Appleton, WI · 2024
General operating purposes
- $8,000
Lawrence University · Appleton, WI · 2023
General operating purposes
- $8,000
Appleton Alliance Church · Appleton, WI · 2022
General operating purposes
- $7,500
Smu-Dedman School of Law · Dallas, TX · 2025
Program support
- $7,500
Smu-Dedman School of Law · Dallas, TX · 2024
Program support
- $7,500
Smu-Dedman School of Law · Dallas, TX · 2023
Program support
- $7,500
Smu-Dedman School of Law · Dallas, TX · 2022
Program support
- $7,285
Hope Clinic & Care Center · Appleton, WI · 2023
General operating purposes
- $6,000
Appleton Alliance Church · Appleton, WI · 2025
General operating purposes
- $6,000
Appleton Alliance Church · Appleton, WI · 2024
General operating purposes
- $5,588
Salvation Army of the Fox Cities · Appleton, WI · 2025
General operating purposes
- $5,000
Beaming Incorporated · Neenah, WI · 2025
General operating purposes
- $5,000
Thedacare Cancer Center · Appleton, WI · 2025
General operating purposes
- $5,000
Beaming Incorporated · Neenah, WI · 2024
General operating purposes
- $5,000
Hope Clinic & Care Center · Appleton, WI · 2024
General operating purposes
- $5,000
Thedacare Cancer Center · Appleton, WI · 2024
General operating purposes
- $5,000
Appleton Alliance Church · Appleton, WI · 2023
General operating purposes
- $5,000
Thedacare Cancer Center · Appleton, WI · 2023
General operating purposes
- $5,000
Acts 18 Ministry · Green Bay, WI · 2022
General operating purposes
- $5,000
Hope Clinic & Care Center · Appleton, WI · 2022
General operating purposes
- $5,000
Thedacare Cancer Center · Appleton, WI · 2022
General operating purposes
- $4,038
Salvation Army of the Fox Cities · Appleton, WI · 2022
General operating purposes
- $3,500
Ymca of the Fox Cities · Appleton, WI · 2025
General operating purposes
- $3,500
Ymca of the Fox Cities · Appleton, WI · 2023
General operating purposes
- $3,285
Salvation Army of the Fox Cities · Appleton, WI · 2023
General operating purposes
- $3,255
Salvation Army of the Fox Cities · Appleton, WI · 2024
General operating purposes
- $3,000
Acts 18 Ministry · Green Bay, WI · 2025
General operating purposes
- $3,000
Acts 18 Ministry · Green Bay, WI · 2024
General operating purposes
- $3,000
Christine Anne Domestic Abuse Services · Oshkosh, WI · 2024
Program support
- $3,000
Acts 18 Ministry · Green Bay, WI · 2023
General operating purposes
- $2,500
The Appleton Historical Society · Appleton, WI · 2025
General operatiing purposes
- $2,500
The Appleton Historical Society · Appleton, WI · 2024
General operatiing purposes
- $2,500
Ymca of the Fox Cities · Appleton, WI · 2024
General operating purposes
- $2,500
The Appleton Historical Society · Appleton, WI · 2023
General operatiing purposes
- $2,500
Dyslexia Reading Connection · Appleton, WI · 2022
General operating purposes
- $2,500
The Appleton Historical Society · Appleton, WI · 2022
General operatiing purposes
- $2,500
The Trout Museum of Art · Appleton, WI · 2022
Program support
- $2,500
Ymca of the Fox Cities · Appleton, WI · 2022
General operating purposes
- $2,255
Harbor House · Appleton, WI · 2024
Program support
- $2,000
Attic Theatre · Appleton, WI · 2025
General operating purposes
- $2,000
Boys & Girls Club of the Fox Valley · Appleton, WI · 2025
Program support
- $2,000
Dyslexia Reading Connection · Appleton, WI · 2025
General operating purposes
- $2,000
Leaven · Menasha, WI · 2025
General operating purposes
- $2,000
Memorial Presbyterian Church · Appleton, WI · 2025
General operating purposes
- $2,000
Outagamie County Historical Society · Appleton, WI · 2025
General operating purposes
- $2,000
Attic Theatre · Appleton, WI · 2024
General operating purposes
- $2,000
Dyslexia Reading Connection · Appleton, WI · 2024
General operating purposes
- $2,000
Memorial Presbyterian Church · Appleton, WI · 2024
General operating purposes
- $2,000
Outagamie County Historical Society · Appleton, WI · 2024
General operating purposes
- $2,000
Attic Theatre · Appleton, WI · 2023
General operating purposes
- $2,000
Dyslexia Reading Connection · Appleton, WI · 2023
General operating purposes
- $2,000
Memorial Presbyterian Church · Appleton, WI · 2023
General operating purposes
- $2,000
Outagamie County Historical Society · Appleton, WI · 2023
General operating purposes
- $2,000
Attic Theatre · Appleton, WI · 2022
General operating purposes
- $2,000
Curative Connections · Green Bay, WI · 2022
General operating purposes
- $2,000
Memorial Presbyterian Church · Appleton, WI · 2022
General operating purposes
- $2,000
Outagamie County Historical Society · Appleton, WI · 2022
General operating purposes
- $2,000
Sexual Assault Crisis Center · Appleton, WI · 2022
Program support
- $1,500
Cots - Community Outreach Temporary Serv · Appleton, WI · 2025
General operating purposes
- $1,500
Curative Connections · Green Bay, WI · 2025
General operating purposes
- $1,500
Cots - Community Outreach Temporary Serv · Appleton, WI · 2024
General operating purposes
- $1,500
Curative Connections · Green Bay, WI · 2024
General operating purposes
- $1,500
Christine Anne Domestic Abuse Services · Oshkosh, WI · 2023
Program support
- $1,500
Cots - Community Outreach Temporary Serv · Appleton, WI · 2023
General operating purposes
- $1,500
Curative Connections · Green Bay, WI · 2023
General operating purposes
- $1,500
Christine Anne Domestic Abue Services · Oshkosh, WI · 2022
Program support
- $1,500
Cots - Community Outreach Temporary Serv · Appleton, WI · 2022
General operating purposes
- $1,500
Harbor House · Appleton, WI · 2022
Program support
- $1,000
Bubolz Nature Center · Appleton, WI · 2025
General operating purposes
- $1,000
Community Church of Appleton · Appleton, WI · 2025
Program support
- $1,000
Bubolz Nature Center · Appleton, WI · 2024
General operating purposes
- $1,000
Community Church of Appleton · Appleton, WI · 2024
Program support
- $1,000
Bubolz Nature Center · Appleton, WI · 2023
General operating purposes
- $1,000
Community Church of Appleton · Appleton, WI · 2023
Program support
- $1,000
The Trout Museum of Art · Appleton, WI · 2023
Program support
- $1,000
Bubolz Nature Center · Appleton, WI · 2022
General operating purposes
- $1,000
Community Church of Appleton · Appleton, WI · 2022
Program support
- $500
Boys & Girls Club of the Fox Valley · Appleton, WI · 2023
Program support
- $500
Boys & Girls Club of the Fox Valley · Appleton, WI · 2022
Program support
Who else funds this kind of work
Same state
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- The Chicago Community Trust14,939 grants · $5.82B
- The Big Ten Conference60 grants · $3.91B
Similar purposes
- Vista Foundation195 grants · $2.2M
- Carolyn W & Charles T Beaird458 grants · $4.6M
- Wwmr Foundation48 grants · $4.2M
Similar grant size
- Enterprise Holdings Foundation30,880 grants · $360.4M
- State Employees Credit Union Foundation7,131 grants · $63.0M
- Publix Super Markets Charities6,333 grants · $108.7M
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.