William Siekman Fdn | Foundation Profile
GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like William Siekman Fdn. Data shown is extracted from Form 990-PF filings.
EIN: 39-6539731
Foundation Overview
Based in Chicago, IL, William Siekman Fdn has awarded 213 grants totaling $974,458 to organizations in Wisconsin, Texas and 3 other states across the US. Individual grants range from $500 to $24,000, with a median award of $2,500.
Latest Tax Year
2023
Total Giving (all years)
$974,458
Total Assets
$2,559,325
Median Grant (all grants)
$2,500
Latest Form 990-PF Snapshot
Total Grants
50
Median Grant
$3,000
% Median Grant Growth
+20%
(vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year:
February 2026
Foundation Intelligence
Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies
New Applicant Friendliness
Closed Network: 8%
4 of 50 recipients (8%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.
Geographic Focus
Wisconsin
85% of all grants are concentrated in Wisconsin, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within Wisconsin, funding concentrates in Appleton (80%), Green Bay (9%), Neenah (4%).
Funding Trajectory
-3%
Stable funding levels with 3% change over 5 years indicate consistent grant-making capacity and predictable philanthropic resources. This stability suggests reliable ongoing funding opportunities.
Program Areas
General Purposes + Community Projects
Dual focus on general purposes (67%) and community projects, indicating strategic concentration in complementary program areas.
Where is The Money Going?
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Grants & Funding
Analyzing past grantees provides valuable insights into William Siekman Fdn's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.
| Name | Amount | Location | Purpose | Year |
|---|---|---|---|---|
| Outagamie County Historical Society | $2,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| The Appleton Cemetery Association | $15,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Beaming Incorporated | $10,000 | Neenah, WI, US | General Operating Purposes | 2023 |
| Plymouth Congregational Church | $10,000 | Racine, WI, US | General Operating Purposes | 2023 |
| Community Church Of Appleton | $1,000 | Appleton, WI, US | Program Support | 2023 |
| Christine Anne Domestic Abuse Services | $1,500 | Oshkosh, WI, US | Program Support | 2023 |
| Boys & Girls Club Of The Fox Valley | $500 | Appleton, WI, US | Program Support | 2023 |
| The Trout Museum Of Art | $1,000 | Appleton, WI, US | Program Support | 2023 |
| Smu-dedman School Of Law | $7,500 | Dallas, TX, US | Program Support | 2023 |
| Acts 18 Ministry | $3,000 | Green Bay, WI, US | General Operating Purposes | 2023 |
| Southern Oregon Univesity Fdn | $10,000 | Ashland, OR, US | General Operating Purposes | 2023 |
| Bubolz Nature Center | $1,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Salvation Army Of The Fox Cities | $3,285 | Appleton, WI, US | General Operating Purposes | 2023 |
| Hillsdale College | $8,500 | Hillsdale, MI, US | General Operating Purposes | 2023 |
| Ymca Of The Fox Cities | $3,500 | Appleton, WI, US | General Operating Purposes | 2023 |
| Lawrence University | $8,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Curative Connections | $1,500 | Green Bay, WI, US | General Operating Purposes | 2023 |
| Thedacare Cancer Center | $5,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Attic Theatre | $2,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Appleton Alliance Church | $5,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Cots - Community Outreach Temporary Serv | $1,500 | Appleton, WI, US | General Operating Purposes | 2023 |
| Memorial Presbyterian Church | $2,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Hope Clinic & Care Center | $7,285 | Appleton, WI, US | General Operating Purposes | 2023 |
| The Appleton Historical Society | $2,500 | Appleton, WI, US | General Operatiing Purposes | 2023 |
| Dyslexia Reading Connection | $2,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Outagamie County Historical Society | $2,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| The Appleton Cemetery Association | $15,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Beaming Incorporated | $10,000 | Neenah, WI, US | General Operating Purposes | 2023 |
| Plymouth Congregational Church | $10,000 | Racine, WI, US | General Operating Purposes | 2023 |
| Community Church Of Appleton | $1,000 | Appleton, WI, US | Program Support | 2023 |
| Christine Anne Domestic Abuse Services | $1,500 | Oshkosh, WI, US | Program Support | 2023 |
| Boys & Girls Club Of The Fox Valley | $500 | Appleton, WI, US | Program Support | 2023 |
| The Trout Museum Of Art | $1,000 | Appleton, WI, US | Program Support | 2023 |
| Smu-dedman School Of Law | $7,500 | Dallas, TX, US | Program Support | 2023 |
| Acts 18 Ministry | $3,000 | Green Bay, WI, US | General Operating Purposes | 2023 |
| Southern Oregon Univesity Fdn | $10,000 | Ashland, OR, US | General Operating Purposes | 2023 |
| Bubolz Nature Center | $1,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Salvation Army Of The Fox Cities | $3,285 | Appleton, WI, US | General Operating Purposes | 2023 |
| Hillsdale College | $8,500 | Hillsdale, MI, US | General Operating Purposes | 2023 |
| Ymca Of The Fox Cities | $3,500 | Appleton, WI, US | General Operating Purposes | 2023 |
| Lawrence University | $8,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Curative Connections | $1,500 | Green Bay, WI, US | General Operating Purposes | 2023 |
| Thedacare Cancer Center | $5,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Attic Theatre | $2,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Appleton Alliance Church | $5,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Cots - Community Outreach Temporary Serv | $1,500 | Appleton, WI, US | General Operating Purposes | 2023 |
| Memorial Presbyterian Church | $2,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Hope Clinic & Care Center | $7,285 | Appleton, WI, US | General Operating Purposes | 2023 |
| The Appleton Historical Society | $2,500 | Appleton, WI, US | General Operatiing Purposes | 2023 |
| Dyslexia Reading Connection | $2,000 | Appleton, WI, US | General Operating Purposes | 2023 |
| Outagamie County Historical Society | $2,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| The Appleton Cemetery Association | $15,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Beaming Inc | $10,000 | Neenah, WI, US | General Operating Purposes | 2022 |
| Community Church Of Appleton | $1,000 | Appleton, WI, US | Program Support | 2022 |
| Harbor House | $1,500 | Appleton, WI, US | Program Support | 2022 |
| Sexual Assault Crisis Center | $2,000 | Appleton, WI, US | Program Support | 2022 |
| Christine Anne Domestic Abue Services | $1,500 | Oshkosh, WI, US | Program Support | 2022 |
| Boys & Girls Club Of The Fox Valley | $500 | Appleton, WI, US | Program Support | 2022 |
| The Trout Museum Of Art | $2,500 | Appleton, WI, US | Program Support | 2022 |
| Smu-dedman School Of Law | $7,500 | Dallas, TX, US | Program Support | 2022 |
| Plymouth Congregational Church | $10,000 | Coconut Grove, FL, US | Program Support | 2022 |
| Acts 18 Ministry | $5,000 | Green Bay, WI, US | General Operating Purposes | 2022 |
| Southern Oregon Univesity Fdn | $10,000 | Ashland, OR, US | General Operating Purposes | 2022 |
| Bubolz Nature Center | $1,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Salvation Army Of The Fox Cities | $4,038 | Appleton, WI, US | General Operating Purposes | 2022 |
| Hillsdale College | $8,500 | Hillsdale, MI, US | General Operating Purposes | 2022 |
| Ymca Of The Fox Cities | $2,500 | Appleton, WI, US | General Operating Purposes | 2022 |
| Lawrence University | $17,038 | Appleton, WI, US | General Operating Purposes | 2022 |
| Curative Connections | $2,000 | Green Bay, WI, US | General Operating Purposes | 2022 |
| Thedacare Cancer Center | $5,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Attic Theatre | $2,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Appleton Alliance Church | $8,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Cots - Community Outreach Temporary Serv | $1,500 | Appleton, WI, US | General Operating Purposes | 2022 |
| Memorial Presbyterian Church | $2,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Hope Clinic & Care Center | $5,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| The Appleton Historical Society | $2,500 | Appleton, WI, US | General Operatiing Purposes | 2022 |
| Dyslexia Reading Connection | $2,500 | Appleton, WI, US | General Operating Purposes | 2022 |
| Outagamie County Historical Society | $2,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| The Appleton Cemetery Association | $15,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Beaming Inc | $10,000 | Neenah, WI, US | General Operating Purposes | 2022 |
| Community Church Of Appleton | $1,000 | Appleton, WI, US | Program Support | 2022 |
| Harbor House | $1,500 | Appleton, WI, US | Program Support | 2022 |
| Sexual Assault Crisis Center | $2,000 | Appleton, WI, US | Program Support | 2022 |
| Christine Anne Domestic Abue Services | $1,500 | Oshkosh, WI, US | Program Support | 2022 |
| Boys & Girls Club Of The Fox Valley | $500 | Appleton, WI, US | Program Support | 2022 |
| The Trout Museum Of Art | $2,500 | Appleton, WI, US | Program Support | 2022 |
| Smu-dedman School Of Law | $7,500 | Dallas, TX, US | Program Support | 2022 |
| Plymouth Congregational Church | $10,000 | Coconut Grove, FL, US | Program Support | 2022 |
| Acts 18 Ministry | $5,000 | Green Bay, WI, US | General Operating Purposes | 2022 |
| Southern Oregon Univesity Fdn | $10,000 | Ashland, OR, US | General Operating Purposes | 2022 |
| Bubolz Nature Center | $1,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Salvation Army Of The Fox Cities | $4,038 | Appleton, WI, US | General Operating Purposes | 2022 |
| Hillsdale College | $8,500 | Hillsdale, MI, US | General Operating Purposes | 2022 |
| Ymca Of The Fox Cities | $2,500 | Appleton, WI, US | General Operating Purposes | 2022 |
| Lawrence University | $17,038 | Appleton, WI, US | General Operating Purposes | 2022 |
| Curative Connections | $2,000 | Green Bay, WI, US | General Operating Purposes | 2022 |
| Thedacare Cancer Center | $5,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Attic Theatre | $2,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Appleton Alliance Church | $8,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Cots - Community Outreach Temporary Serv | $1,500 | Appleton, WI, US | General Operating Purposes | 2022 |
| Memorial Presbyterian Church | $2,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Hope Clinic & Care Center | $5,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| The Appleton Historical Society | $2,500 | Appleton, WI, US | General Operatiing Purposes | 2022 |
| Dyslexia Reading Connection | $2,500 | Appleton, WI, US | General Operating Purposes | 2022 |
| Outagamie County Historical Society | $2,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| The Appleton Cemetery Association | $15,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Beaming Inc | $10,000 | Neenah, WI, US | General Operating Purposes | 2022 |
| Community Church Of Appleton | $1,000 | Appleton, WI, US | Program Support | 2022 |
| Harbor House | $1,500 | Appleton, WI, US | Program Support | 2022 |
| Sexual Assault Crisis Center | $2,000 | Appleton, WI, US | Program Support | 2022 |
| Christine Anne Domestic Abue Services | $1,500 | Oshkosh, WI, US | Program Support | 2022 |
| Boys & Girls Club Of The Fox Valley | $500 | Appleton, WI, US | Program Support | 2022 |
| The Trout Museum Of Art | $2,500 | Appleton, WI, US | Program Support | 2022 |
| Smu-dedman School Of Law | $7,500 | Dallas, TX, US | Program Support | 2022 |
| Plymouth Congregational Church | $10,000 | Coconut Grove, FL, US | Program Support | 2022 |
| Acts 18 Ministry | $5,000 | Green Bay, WI, US | General Operating Purposes | 2022 |
| Southern Oregon Univesity Fdn | $10,000 | Ashland, OR, US | General Operating Purposes | 2022 |
| Bubolz Nature Center | $1,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Salvation Army Of The Fox Cities | $4,038 | Appleton, WI, US | General Operating Purposes | 2022 |
| Hillsdale College | $8,500 | Hillsdale, MI, US | General Operating Purposes | 2022 |
| Ymca Of The Fox Cities | $2,500 | Appleton, WI, US | General Operating Purposes | 2022 |
| Lawrence University | $17,038 | Appleton, WI, US | General Operating Purposes | 2022 |
| Curative Connections | $2,000 | Green Bay, WI, US | General Operating Purposes | 2022 |
| Thedacare Cancer Center | $5,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Attic Theatre | $2,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Appleton Alliance Church | $8,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Cots - Community Outreach Temporary Serv | $1,500 | Appleton, WI, US | General Operating Purposes | 2022 |
| Memorial Presbyterian Church | $2,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| Hope Clinic & Care Center | $5,000 | Appleton, WI, US | General Operating Purposes | 2022 |
| The Appleton Historical Society | $2,500 | Appleton, WI, US | General Operatiing Purposes | 2022 |
| Dyslexia Reading Connection | $2,500 | Appleton, WI, US | General Operating Purposes | 2022 |
| Outagamie County Historical Society | $2,000 | Appleton, WI, US | General Operating Purposes | 2021 |
| The Appleton Cemetery Association | $15,000 | Appleton, WI, US | General Operating Purposes | 2021 |
| Eclea | $1,000 | Appleton, WI, US | General Operating Purposes | 2021 |
| Southern Methodist University | $5,000 | Dallas, TX, US | General Operating Purposes | 2021 |
| Beaming Inc | $10,000 | Neenah, WI, US | General Operating Purposes | 2021 |
| Fox City Building For The Arts | $2,500 | Appleton, WI, US | Program Support | 2021 |
| Plymouth Congregational Church Inc | $7,500 | Coconut Grove, FL, US | Program Support | 2021 |
| Harbor House | $2,000 | Appleton, WI, US | Program Support | 2021 |
| Christian Anne Domestic Abuse Service | $2,000 | Oshkosh, WI, US | Program Support | 2021 |
| Sexual Assault Crisis Center | $1,000 | Appleton, WI, US | Program Support | 2021 |
| Acts 18 Ministry | $3,000 | Green Bay, WI, US | General Operating Purposes | 2021 |
| Southern Oregon Univesity Fdn | $4,000 | Ashland, OR, US | General Operating Purposes | 2021 |
| Bubolz Nature Center | $1,000 | Appleton, WI, US | General Operating Purposes | 2021 |
| Salvation Army Of The Fox Cities | $4,042 | Appleton, WI, US | General Operating Purposes | 2021 |
| Hillsdale College | $7,500 | Hillsdale, MI, US | General Operating Purposes | 2021 |
| Ymca Of The Fox Cities | $2,000 | Appleton, WI, US | General Operating Purposes | 2021 |
| Lawrence University | $15,102 | Appleton, WI, US | General Operating Purposes | 2021 |
| Curative Connections | $2,000 | Green Bay, WI, US | General Operating Purposes | 2021 |
| Thedacare Cancer Center | $5,000 | Appleton, WI, US | General Operating Purposes | 2021 |
| Attic Theatre | $2,000 | Appleton, WI, US | General Operating Purposes | 2021 |
| Appleton Alliance Church | $9,000 | Appleton, WI, US | General Operating Purposes | 2021 |
| Cots - Community Outreach Temporary Serv | $2,000 | Appleton, WI, US | General Operating Purposes | 2021 |
| Memorial Presbyterian Church | $2,000 | Appleton, WI, US | General Operating Purposes | 2021 |
| Hope Clinic & Care Center | $5,000 | Appleton, WI, US | General Operating Purposes | 2021 |
| The Appleton Historical Society | $2,000 | Appleton, WI, US | General Operatiing Purposes | 2021 |
| Dyslexia Reading Connection | $2,500 | Appleton, WI, US | General Operating Purposes | 2021 |
| Outagamie County Historical Society | $2,000 | Appleton, WI, US | General Operating Purposes | 2020 |
| The Appleton Cemetery Association | $15,000 | Appleton, WI, US | General Operating Purposes | 2020 |
| Eclea | $1,000 | Appleton, WI, US | General Operating Purposes | 2020 |
| Southern Methodist University | $5,000 | Dallas, TX, US | General Operating Purposes | 2020 |
| Beaming Inc | $5,000 | Neenah, WI, US | General Operating Purposes | 2020 |
| Plymouth Congregational Church | $7,500 | Racine, WI, US | General Operating Purposes | 2020 |
| Society Of St Vincent De Paul | $21,000 | Medford, OR, US | Program Support | 2020 |
| Acts 18 Ministry | $3,000 | Green Bay, WI, US | General Operating Purposes | 2020 |
| Southern Oregon Univesity Fdn | $4,000 | Ashland, OR, US | General Operating Purposes | 2020 |
| Bubolz Nature Center | $1,000 | Appleton, WI, US | General Operating Purposes | 2020 |
| Salvation Army Of The Fox Cities | $5,250 | Appleton, WI, US | General Operating Purposes | 2020 |
| Hillsdale College | $7,500 | Hillsdale, MI, US | General Operating Purposes | 2020 |
| Ymca Of The Fox Cities | $3,500 | Appleton, WI, US | General Operating Purposes | 2020 |
| Lawrence University | $4,810 | Appleton, WI, US | General Operating Purposes | 2020 |
| Curative Connections | $1,000 | Green Bay, WI, US | General Operating Purposes | 2020 |
| Thedacare Cancer Center | $5,000 | Appleton, WI, US | General Operating Purposes | 2020 |
| Attic Theatre | $2,000 | Appleton, WI, US | General Operating Purposes | 2020 |
| Boys & Girls Club Of The Fox Valley | $1,000 | Appleton, WI, US | General Operating Purposes | 2020 |
| Appleton Alliance Church | $4,000 | Appleton, WI, US | General Operating Purposes | 2020 |
| Leaven Inc | $2,000 | Menasha, WI, US | General Operating Purposes | 2020 |
| Cots - Community Outreach Temporary Serv | $1,000 | Appleton, WI, US | General Operating Purposes | 2020 |
| Memorial Presbyterian Church | $2,000 | Appleton, WI, US | General Operating Purposes | 2020 |
| Hope Clinic & Care Center | $3,000 | Appleton, WI, US | General Operating Purposes | 2020 |
| The Appleton Historical Society | $2,000 | Appleton, WI, US | General Operatiing Purposes | 2020 |
| Dyslexia Reading Connection | $2,500 | Appleton, WI, US | General Operating Purposes | 2020 |
| Vizcaya Museum The Vizcayans | $1,000 | Miami, FL, US | General Operating Purposes | 2020 |
| The Trout Museum Of Art | $2,500 | Appleton, WI, US | General Operating Purposes | 2020 |
| Outagamie County Historical Society | $2,500 | Appleton, WI, US | General Operating Purposes | 2018 |
| First Congregational Church Of Christ | $2,000 | Appleton, WI, US | General Operating Purposes | 2018 |
| The Appleton Cemetery Association | $10,000 | Appleton, WI, US | General Operating Purposes | 2018 |
| Eclea | $1,000 | Appleton, WI, US | General Operating Purposes | 2018 |
| Southern Methodist University | $2,500 | Dallas, TX, US | General Operating Purposes | 2018 |
| Beaming Inc | $4,883 | Neenah, WI, US | General Operating Purposes | 2018 |
| Plymouth Congregational Church | $3,000 | Racine, WI, US | General Operating Purposes | 2018 |
| Acts 18 Ministry | $3,000 | Green Bay, WI, US | General Operating Purposes | 2018 |
| The Avenue 911 Radio | $1,000 | Green Bay, WI, US | General Operating Purposes | 2018 |
| Southern Oregon Univesity Fdn | $24,000 | Ashland, OR, US | General Operating Purposes | 2018 |
| Bubolz Nature Center | $1,000 | Appleton, WI, US | General Operating Purposes | 2018 |
| Salvation Army Of The Fox Cities | $3,693 | Appleton, WI, US | General Operating Purposes | 2018 |
| Hillsdale College | $2,500 | Hillsdale, MI, US | General Operating Purposes | 2018 |
| Ymca Of The Fox Cities | $3,500 | Appleton, WI, US | General Operating Purposes | 2018 |
| Lawrence University | $19,310 | Appleton, WI, US | General Operating Purposes | 2018 |
| Curative Connections | $1,000 | Green Bay, WI, US | General Operating Purposes | 2018 |
| Thedacare Cancer Center | $5,000 | Appleton, WI, US | General Operating Purposes | 2018 |
| Attic Theatre | $2,500 | Appleton, WI, US | General Operating Purposes | 2018 |
| Boys & Girls Club Of The Fox Valley | $2,500 | Appleton, WI, US | General Operating Purposes | 2018 |
| Appleton Alliance Church | $4,000 | Appleton, WI, US | General Operating Purposes | 2018 |
| Leaven Inc | $1,000 | Menasha, WI, US | General Operating Purposes | 2018 |
| Cots - Community Outreach Temporary Serv | $2,000 | Appleton, WI, US | General Operating Purposes | 2018 |
| Memorial Presbyterian Church | $2,000 | Appleton, WI, US | General Operating Purposes | 2018 |
| Hope Clinic & Care Center | $3,000 | Appleton, WI, US | General Operating Purposes | 2018 |
| The Appleton Historical Society | $2,500 | Appleton, WI, US | General Operatiing Purposes | 2018 |
| Dyslexia Reading Connection | $5,000 | Appleton, WI, US | General Operating Purposes | 2018 |
| Vizcaya Museum The Vizcayans | $1,000 | Miami, FL, US | General Operating Purposes | 2018 |
| The Barnacle Society | $500 | Coconut Grove, FL, US | General Operating Purposes | 2018 |
| The Trout Museum Of Art | $2,500 | Appleton, WI, US | General Operating Purposes | 2018 |
Foundations Similar to William Siekman Fdn
Discover 5 foundations with comparable assets ($2,558,840-$2,576,848), similar grant patterns, and geographic focus in IL that may also align with your organization's funding needs and grant seeking strategy.
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EIN: 36-4321543 | 645 grants awarded |
$2,565,338
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$1,500
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The Eric And Joan Norgaard Charitable Trust
EIN: 36-7386936 | 289 grants awarded |
$2,573,543
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Trust Uw M Zalles 7-8219 Wells College
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Contact Information
Official contact details for William Siekman Fdn as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.
| EIN | 39-6539731 |
| Website | N/A |
| Address | PO BOX 95672 Chicago, IL 60694-5672 |
Key People (1)
Board members, trustees, and key staff who oversee William Siekman Fdn's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.
| Trustee | Bmo Bank N A |
|---|
Forms 990-PF
IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.
Form 990-PF Research Tips
- Review Part XV for detailed grant recipient information and funding purposes
- Check Part I for total assets, annual giving amounts, and payout requirements
- Examine Part VIII for key personnel compensation and board structure
- Look for trends across multiple years to understand giving patterns
About This Foundation Profile
This comprehensive foundation profile for William Siekman Fdn is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.
Data Sources & Accuracy
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Data Currency: Last updated
February 2026
based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.