William Siekman Fdn

Private foundation · Grantmaker Chicago, IL EIN: 39-6539731

William Siekman Fdn is a private foundation based in Chicago, Illinois. Its 2025 filing reports grants for general operating purposes and program support to organizations in several states.

William Siekman Fdn at a glance

In short: William Siekman Fdn gave $122K across 24 grants in 2025 (avg $5K), mostly in Wisconsin. 4% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$121,588
+11.0% vs 2024
Grants made (2025)
24
+0.0% vs 2024
Average grant
$5,066
+11.0% vs 2024
Median grant
$3,250
Total assets
$2,127,441
+1.3% vs 2024
New grantees (estimate)
4% first-time grantees (1 of 24, 2025; small sample)
Primary geography
Wisconsin (79% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to William Siekman Fdn

Contact

Application contact: Co Bmo Harris Bank N A
Mailing address: 221 W College Ave, Appleton, WI 54912
Phone: (920) 738-3827

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who William Siekman Fdn funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

The Appleton Cemetery Association: $15KThe Appleton CemeteryAssociation$15KHope Clinic & Care Center: $15KHope Clinic & Care Center$15KPlymouth Congregational Church: $10KPlymouth Congregational Church$10KAmigo Club of Ashland Oregon Inc: $10KAmigo Club of Ashland OregonInc$10KHillsdale College: $9KHillsdale College$9KLawrence University: $8KLawrence University$8KSMU-Dedman School of Law: $8KSMU-Dedman School of Law$8KAppleton Alliance Church: $6KAppleton Alliance Church$6KSalvation Army of the Fox Cities: $6KSalvation Army of the FoxCities$6KBeaming Incorporated: $5KBeaming Incorporated$5K

The largest 2025 recipient was The Appleton Cemetery Association ($15K). Together the top 10 received $91K.

Grant Size Distribution

126 grants across all recorded years

126<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 126 grants of 126 (100%).

Geographic Focus

Where this funder awards grants

In 2025, grant dollars went to recipients in Wisconsin (79%), Oregon (8%), Michigan (7%), and Texas (6%). The listed grants include multiple recipients in the Appleton, Wisconsin area.

Grant Distribution by State

5states

Share of 2025 grant dollars across all 24 itemized grants.

Cities

AppletonGreen BayAshlandDallasHillsdaleNeenahRacineOshkoshMenashaCoconut GroveMiamiMedford

Is William Siekman Fdn open to new grantees?

4%

first-time grantees, 2025

In 2025, 1 of 24 grantees (4%) were first-time recipients. With only 24 grantees, that is a small sample: one grantee more or less moves the share by about 4 points. First grants averaged $10K; repeat grants $5K. How we count

Medians: $10K first-time, $3K repeat.

  • 88% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (−8%). Method
  • In 2025 it paid out 94% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K26 grants2019 27 grants2020 26 grants2021 27 grants2022 25 grants2023 24 grants2024 24 grants2025

From 2019 to 2025, annual grant giving ranged from $110K (2024) to $132K (2022). In 2025 it made 24 grants totaling $122K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
The Appleton Cemetery Association Appleton, WIGeneral Operating Purposes$15,000
Hope Clinic & Care Center Appleton, WIGeneral Operating Purposes$15,000
Plymouth Congregational Church Racine, WIGeneral Operating Purposes$10,000
Amigo Club of Ashland Oregon Inc Ashland, ORGeneral Operating Purposes$10,000
Hillsdale College Hillsdale, MIGeneral Operating Purposes$8,500
Lawrence University Appleton, WIGeneral Operating Purposes$8,000
SMU-Dedman School of Law Dallas, TXProgram Support$7,500
Appleton Alliance Church Appleton, WIGeneral Operating Purposes$6,000
Salvation Army of the Fox Cities Appleton, WIGeneral Operating Purposes$5,588
Beaming Incorporated Neenah, WIGeneral Operating Purposes$5,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$2,127,441$180,246$153,710$121,58824$136,423$164,967$144,437
2024$2,100,609$122,771$138,586$109,51024$123,147$108,776$135,225
2023$2,116,373$85,823$137,724$114,57025$125,526$73,032$120,467
2022$2,168,217$34,820$158,327$132,07627$143,466$42,199$125,959
2021$2,292,175$139,755$141,756$116,14426$128,393$127,096$144,325
2020$2,293,844$12,293$137,130$114,56027—$47,414$126,945
2019$2,417,983$74,543$140,594$114,49026—$61,297$125,807

Under IRS private-foundation payout rules, William Siekman Fdn reported a distributable amount of $144K for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its grants include support for organizations serving a range of purposes. For example, Beaming Inc describes its mission as providing therapeutic horseback riding; Dyslexia Reading Connection describes providing tutoring and related reading, spelling, and math services; and Curative Connections describes helping people achieve independence, including people facing aging, disability, mental-health, or employment barriers. These are the grantees’ stated missions, not the foundation’s.

Grantmaking

In 2025, the foundation reported 24 grants totaling $121,588. Grants ranged from $1,000 to $15,000, with a median of $3,250. The largest listed grants were $15,000 each to the Appleton Cemetery Association and Hope Clinic & Care Center, both for general operating purposes. Other notable grants included $10,000 to Plymouth Congregational Church and $10,000 to Amigo Club of Ashland Oregon Inc, both for general operating purposes; $8,500 to Hillsdale College for general operating purposes; and $7,500 to SMU-Dedman School of Law for program support.

Applications are made by written form through CO BMO HARRIS BANK N A. The foundation does not restrict giving to preselected organizations, and its filing lists no restrictions on awards.

Leadership & Key People

Leadership team and compensation from IRS filings

BMO BANK N A is listed as trustee on the 2025 filing.

William Siekman Fdn's only listed officer is BMO Bank N A, Trustee on every filing since 2023 (compensated).

Officers on the 2025 filing

  • BMO Bank N A

    Trustee

    On filings since 2023

    2 hrs/week

    $22K (2023) → $30K (2025)

Former officers (1)
  • Former: BMO Harris Bank N A (2019–2022) — Trustee

Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

BMO Bank N a — Trustee: $30KBMO Bank N aTrustee$30K

The highest reported compensation on the 2025 filing was $30K, to BMO Bank N a (Trustee).

Frequently asked questions about William Siekman Fdn

How much does William Siekman Fdn give each year?

William Siekman Fdn gave $122K across 24 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $110K across 24 grants.

What is William Siekman Fdn's typical grant size?

William Siekman Fdn's median grant in 2025 was $3,250, and its average grant was $5,066, across 24 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from William Siekman Fdn that year got $10K on average.

Where does William Siekman Fdn give grants?

William Siekman Fdn gives mostly in Wisconsin: 79% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Oregon (8%) and Michigan (7%). The most frequent recipient cities were Appleton, WI (16 grants) and Green Bay, WI (2 grants).

Does William Siekman Fdn give general operating support?

Yes: 88% of William Siekman Fdn's 2025 grants with a stated purpose (21 of 24) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Program Support" (3 grants).

Who are William Siekman Fdn's largest grantees?

William Siekman Fdn's largest 2025 grantees include The Appleton Cemetery Association ($15,000), Hope Clinic & Care Center ($15,000) and Plymouth Congregational Church ($10,000), according to its 2025 IRS Form 990-PF. Together they received 33% of its itemized 2025 grant dollars.

How large is William Siekman Fdn?

William Siekman Fdn reported $2.1M in total assets on its 2025 IRS Form 990-PF. It paid out $136K in qualifying distributions that year, against a required minimum of $144K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What does William Siekman Fdn fund?

No mission statement for the foundation is provided. Its grants include support for organizations serving a range of purposes. See mission & focus areas ↑

How do I apply for a grant from William Siekman Fdn?

William Siekman Fdn has no public application process in the sources Grantable reviewed. Contact the foundation directly before submitting a request.

What is William Siekman Fdn's EIN?

William Siekman Fdn's EIN (Employer Identification Number) is 39-6539731. IRS Form 990 filing data is available on this page for 2019–2025.

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(8)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS May 4, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 13, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 4, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS April 25, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS April 23, 2024)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 1, 2025)
  7. Added Form 990-PF for fiscal year 2025 (received by the IRS April 27, 2026)
  8. IRS filings on file for fiscal years 2019–2024

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Cite this profile

Grantable. (2026). William Siekman Fdn funder profile. GrantGraph. Retrieved October 13, 2026, from https://grantable.co/funders/william-siekman-fdn-morg_78e6940e16844197a1f8593cb10837b2

BibTeX
@misc{grantable_396539731_2026,
  author       = {{Grantable}},
  title        = {{William Siekman Fdn funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/william-siekman-fdn-morg_78e6940e16844197a1f8593cb10837b2},
  note         = {Accessed 2026-10-13. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from William Siekman Fdn's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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