Funding search · EIN 391799844 · Mequon, WI
William & Sandy Heitz Family Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 73
- grants reported
- $742,997
- total given
- 2022–2025
- filing years
- $3,162
- 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.
- Medical College of Wisconsin4 grants · $225,000
- Stephen Siller Tunnel To Towers Fdn4 grants · $105,000
- Wounded Warrior Project4 grants · $102,500
- Make a Wish4 grants · $55,105
- Samaritan'S Purse2 grants · $45,000
- Charles E Kubly Foundation4 grants · $35,000
- The League Club2 grants · $33,000
- Iptay Clemson University3 grants · $28,475
- Shelter for Abused Women4 grants · $20,000
- Tennessee Performing Arts Center4 grants · $10,500
Giving over time
Grant history
All 73 reported grants, largest first.
- $75,000
Medical College of Wisconsin · Wauwatosa, WI · 2024
Cancer research
- $75,000
Medical College of Wisconsin · Wauwatosa, WI · 2023
Cancer research
- $50,000
Medical College of Wisconsin · Wauwatosa, WI · 2025
Cancer research
- $30,000
Stephen Siller Tunnel To Towers Fdn · Staten Island, NY · 2023
General operating
- $27,500
Wounded Warrior Project · Jacksonville, FL · 2023
General operating
- $25,000
Samaritan'S Purse · Boone, NC · 2025
General operating
- $25,000
Stephen Siller Tunnel To Towers Fdn · Staten Island, NY · 2025
General operating
- $25,000
Wounded Warrior Project · Jacksonville, FL · 2025
General operating
- $25,000
Stephen Siller Tunnel To Towers Fdn · Staten Island, NY · 2024
General operating
- $25,000
Wounded Warrior Project · Jacksonville, FL · 2024
General operating
- $25,000
Medical College of Wisconsin · Wauwatosa, WI · 2022
Cancer research
- $25,000
Stephen Siller Tunnel To Towers Fdn · Staten Island, NY · 2022
General operating
- $25,000
Wounded Warrior Project · Jacksonville, FL · 2022
General operating
- $20,000
Samaritan'S Purse · Boone, NC · 2024
General operating
- $18,000
The League Club · Naples, FL · 2025
General operating
- $15,000
Make a Wish · Wauwatosa, WI · 2024
General operating
- $15,000
The League Club · Naples, FL · 2024
General operating
- $15,000
Make a Wish · Wauwatosa, WI · 2023
General operating
- $15,000
Make a Wish · Wauwatosa, WI · 2022
General operating
- $11,975
Iptay Clemson University · Clemson, SC · 2022
General operating
- $10,105
Make a Wish · Wauwatosa, WI · 2025
General operating
- $10,000
Charles E Kubly Foundation · Mequon, WI · 2025
Mental health
- $10,000
Charles E Kubly Foundation · Mequon, WI · 2024
Mental health
- $10,000
Charles E Kubly Foundation · Mequon, WI · 2023
Mental health
- $8,500
Iptay Clemson University · Clemson, SC · 2024
General operating
- $8,000
Iptay Clemson University · Clemson, SC · 2025
General operating
- $5,000
Project Help · Naples, FL · 2025
General operating
- $5,000
Shelter for Abused Women · Naples, FL · 2025
General operating
- $5,000
Shelter for Abused Women · Naples, FL · 2024
General operating
- $5,000
Feeding America Eastern Wisconsin · Milwaukee, WI · 2023
General operating
- $5,000
Hunger Task Force · Milwaukee, WI · 2023
General operating
- $5,000
Shelter for Abused Women · Naples, FL · 2023
General operating
- $5,000
Charles E Kubly Foundation · Mequon, WI · 2022
Mental health
- $5,000
Feeding America Eastern Wisconsin · Milwaukee, WI · 2022
General operating
- $5,000
Hunger Task Force · Milwaukee, WI · 2022
General operating
- $5,000
Shelter for Abused Women · Naples, FL · 2022
General operating
- $3,162
Greenville Zoo · Greenville, SC · 2022
General operating
- $3,000
Tennessee Performing Arts Center · Nashville, TN · 2025
General operating
- $3,000
Tennessee Performing Arts Center · Nashville, TN · 2024
General operating
- $3,000
Ronald McDonald House Charities · Milwaukee, WI · 2023
General operating
- $3,000
Tennessee Performing Arts Center · Nashville, TN · 2023
General operating
- $3,000
Ronald McDonald House Charities · Milwaukee, WI · 2022
General operating
- $2,500
Audio Braille Literacy Enhancement · Milwaukee, WI · 2023
Increase literacy access to the blind
- $2,500
Center for Deaf-Blind Persons · West Allis, WI · 2022
General operating
- $2,010
Greenville Zoo · Greenville, SC · 2025
General operating
- $2,000
Center for Deaf-Blind Persons · West Allis, WI · 2025
General operating
- $2,000
St Mary Magdalene Catholic Church · Simpsonville, SC · 2025
General operating
- $2,000
Center for Deaf-Blind Persons · West Allis, WI · 2024
General operating
- $2,000
Alex'S Lemonade Stand Foundation · Bala Cynwyd, PA · 2023
Fund childhood cancer research
- $2,000
Center for Deaf-Blind Persons · West Allis, WI · 2023
General operating
- $2,000
Greenville Zoo · Greenville, SC · 2023
General operating
- $2,000
Literacy Services of Wisconsin · Milwaukee, WI · 2023
Literacy services
- $2,000
Wisconsin Ovarian Cancer Alliance · New Berlin, WI · 2023
Fund totes and educational material
- $2,000
Alex'S Lemonade Stand Foundation · Bala Cynwyd, PA · 2022
Fund childhood cancer research
- $2,000
American Heart Association · Dallas, TX · 2022
General operating
- $2,000
Audio Braille Literacy Enhancement · Milwaukee, WI · 2022
Increase literacy access to the blind
- $2,000
Autism Society · Wauwatosa, WI · 2022
General operating
- $2,000
Big Brothers Big Sisters of Ozaukee · Grafton, WI · 2022
General operating
- $2,000
Literacy Services of Wisconsin · Milwaukee, WI · 2022
Literacy services
- $2,000
Milwaukee Center for Independence · Milwaukee, WI · 2022
Meals for hungry children
- $2,000
This Time Tomorrow · Menomonee Falls, WI · 2022
General operating
- $2,000
Wisconsin Ovarian Cancer Alliance · New Berlin, WI · 2022
General operating
- $1,500
Audio Braille Literacy Enhancement · Milwaukee, WI · 2025
Increase literacy access to the blind
- $1,500
Tennessee Performing Arts Center · Nashville, TN · 2022
General operating
- $1,034
Alpha Chi Omega Foundation · Indianapolis, IN · 2025
General operating
- $1,029
American Heart Association · Dallas, TX · 2025
General operating
- $1,026
South Carolina Charities · Greenville, SC · 2022
General operating
- $1,000
Versiti Blood Center of Wisconsin · Milwaukee, WI · 2023
General operating
- $1,000
Operation Dream · Milwaukee, WI · 2022
Programs for young men and families
- $500
Big Brothers Big Sisters of Central · Columbus, OH · 2025
General operating
- $500
This Time Tomorrow · Menomonee Falls, WI · 2023
General operating
- $400
Royal Palm Academy · Naples, FL · 2023
General operating
- $256
South Carolina Charities · Greenville, SC · 2024
General operating
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.

