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Foundation Lookup

Form 990-PFTax year 2025EIN 39-6539731

William Siekman FDN

A private foundation in Chicago, IL. Its return for tax year 2025 lists 24 grants and $121,588 paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Accepts applications

The return gives an application contact and rules, as below.

Contact
Co Bmo Harris Bank N A
221 W College Ave
Appleton, WI 54912
(920) 738-3827
Form and materials
Written form
Deadlines
None
Restrictions
None

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2025

    $121,588

    Grants listed
    24
    Assets, end of year
    $2,127,441

  • Tax year 2024

    $109,510

    Grants listed
    24
    Assets, end of year
    $2,100,609

  • Tax year 2023

    $114,570

    Grants listed
    25
    Assets, end of year
    $2,116,373

  • Tax year 2022

    $132,076

    Grants listed
    27
    Assets, end of year
    $2,168,217

  • Tax year 2021

    $116,144

    Grants listed
    26
    Assets, end of year
    $2,292,175

  • Tax year 2020

    $114,560

    Grants listed
    27
    Assets, end of year
    $2,293,844

  • Tax year 2019

    $114,490

    Grants listed
    26
    Assets, end of year
    $2,417,983

  • Tax year 2018

    $118,386

    Grants listed
    29
    Assets, end of year
    $2,485,137

Grants paid in 2025

24 grants, largest first

As listed on the return.

  1. The Appleton Cemetery AssociationAppleton, WI

    General operating purposes

    $15,000
  2. Hope Clinic & Care CenterAppleton, WI

    General operating purposes

    $15,000
  3. Plymouth Congregational ChurchRacine, WI

    General operating purposes

    $10,000
  4. Amigo Club of Ashland Oregon IncAshland, OR

    General operating purposes

    $10,000
  5. Hillsdale CollegeHillsdale, MI

    General operating purposes

    $8,500
  6. Lawrence UniversityAppleton, WI

    General operating purposes

    $8,000
  7. Smu-Dedman School of LawDallas, TX

    Program support

    $7,500
  8. Appleton Alliance ChurchAppleton, WI

    General operating purposes

    $6,000
  9. Salvation Army of the Fox CitiesAppleton, WI

    General operating purposes

    $5,588
  10. Beaming IncorporatedNeenah, WI

    General operating purposes

    $5,000
  11. Thedacare Cancer CenterAppleton, WI

    General operating purposes

    $5,000
  12. YMCA of the Fox CitiesAppleton, WI

    General operating purposes

    $3,500
  13. Acts 18 MinistryGreen Bay, WI

    General operating purposes

    $3,000
  14. The Appleton Historical SocietyAppleton, WI

    General operatiing purposes

    $2,500
  15. Outagamie County Historical SocietyAppleton, WI

    General operating purposes

    $2,000
  16. LeavenMenasha, WI

    General operating purposes

    $2,000
  17. Boys & Girls Club of the Fox ValleyAppleton, WI

    Program support

    $2,000
  18. Attic TheatreAppleton, WI

    General operating purposes

    $2,000
  19. Memorial Presbyterian ChurchAppleton, WI

    General operating purposes

    $2,000
  20. Dyslexia Reading ConnectionAppleton, WI

    General operating purposes

    $2,000
  21. Curative ConnectionsGreen Bay, WI

    General operating purposes

    $1,500
  22. Cots - Community Outreach Temporary ServAppleton, WI

    General operating purposes

    $1,500
  23. Community Church of AppletonAppleton, WI

    Program support

    $1,000
  24. Bubolz Nature CenterAppleton, WI

    General operating purposes

    $1,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Education2 grants $10,50024% of the total
  2. International aid1 grant $10,00023% of the total
  3. Human services3 grants $7,50017% of the total
  4. Arts and culture3 grants $6,50015% of the total
  5. Health1 grant $5,00011% of the total
  6. Religion1 grant $3,0007% of the total
  7. 1 other causes1 grant $1,5003% of the total

By State

Grants to organizations with a US address, latest year.

  1. Wisconsin21 grants $95,588
  2. Oregon1 grant $10,000
  3. Michigan1 grant $8,500
  4. Texas1 grant $7,500

Officers, directors and trustees

1 person as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Bmo Bank N ATRUSTEE Hours 2Pay $29,670

The return

More foundations

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Same main cause (education), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. Isaacs Family FoundationChicago, IL 8 grants Preselected only $121,189 giving
  2. Idalia C Whitcomb Charitable Trust XXXXX9008Chicago, IL 6 grants Preselected only $121,000 giving
  3. Herbst Family FoundationChicago, IL 29 grants Preselected only $120,900 giving
  4. The Jacob Silverman Charitable TrustChicago, IL 6 grants Preselected only $122,500 giving
  5. Smith Virginia Fam Char TrustChicago, IL 4 grants Accepts applications $120,000 giving