The Wisconsin State Capitol

Form 990-PFTax year 2025EIN 20-8080870

Clack Foundation Inc

A private foundation in Windsor, WI. Its return for tax year 2025 lists 20 grants and $1.3 million paid in grants.

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

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $1,277,408

    Grants listed
    20
    Assets, end of year
    $35,551,735
  • Tax year 2024

    $1,131,154

    Grants listed
    8
    Assets, end of year
    $30,519,021
  • Tax year 2023

    $1,707,342

    Grants listed
    11
    Assets, end of year
    $26,760,584
  • Tax year 2022

    $1,554,712

    Grants listed
    10
    Assets, end of year
    $22,854,624
  • Tax year 2021

    $740,030

    Grants listed
    12
    Assets, end of year
    $24,401,731
  • Tax year 2020

    $704,039

    Grants listed
    15
    Assets, end of year
    $20,405,134
  • Tax year 2019

    $466,794

    Grants listed
    9
    Assets, end of year
    $18,383,667
  • Tax year 2018

    $545,564

    Grants listed
    14
    Assets, end of year
    $15,259,744

Grants paid in 2025

20 grants, largest first

As listed on the return.

  1. University of Wisconsin FoundationMadison, WI

    The university of wisconsin foundation raises, invests and distributes funds for the benefit of the university of wisconsin madison.

    $488,000
  2. Cincinnati Children's HospitalCincinnati, OH

    In support of the clack foundation adult tuberous sclerosis complex (TSC) fund.

    $300,000
  3. Marc IncMadison, WI

    Assist with community and center-based employment, day services, and personal care for adults with developmental disabilities in dane county, wisconsin.

    $77,408
  4. Canine Companions for IndependenceSanta Rosa, CA

    Positively affect the lives of people with physical disabilities. Dogs are trained to provide assistance and companionship to people with physical disabilities at no or low cost to the recipient.

    $70,000
  5. Easter Seals Wisconsin IncMiddleton, WI

    To support programming for children and adults with disabilities and their families and caregivers.

    $60,000
  6. Winman Trails IncManitowsh WTR, WI

    To support the adventure park and community gathering space for residents and visitors to experience outstanding trails and upscale facilities that inspire active, outdoor lifestyles.

    $50,000
  7. Foundation for International Education in Neurological SurgeryMadison, WI

    The fiens mission is to improve the care of individuals with neurological disease throughout the world by support of education in neurosurgery, particularly via partnerships between established and emerging neurosurgical programs.

    $50,000
  8. Humane Animal Welfare SocietyWaukesha, WI

    To support the mission of leading the community in animal welfare and assuring sanctuary for animals in need.

    $30,000
  9. Tails Together CoWilmette, IL

    To support animal welfare in chicago and the north shore by connecting animals, organizations, and communities through collaboration, compassionate care, and accessible education.

    $30,000
  10. Misericordia FoundationChicago, IL

    To enrich the lives of children and adults with intellectual and developmental disabilities.

    $30,000
  11. Camp Jorn YMCAManitowish Waters, WI

    Support operations of a camp jorn YMCA to help children build character, confidence and community through positive outdoor experiences.

    $20,000
  12. Little Forest School IncManitowsh WTR, WI

    To provide childcare services to the community.

    $20,000
  13. Wisconsin Academy for Graduating Service Dogs IncMadison, WI

    To support the mission to promote functional independence and improved quality of life for people with physical disabilities through partnership with highly-skilled service dogs.

    $10,000
  14. Howard Young FoundationMinocqua, WI

    In support of the autism services fund to help students with an autism spectrum disorder receive the education and interventions they need in a safe learning environment.

    $10,000
  15. North Lakeland Discovery CenterManitowsh WTR, WI

    To support the mission of enriching lives and inspire an ethic of care for wisconsin's north woods, through facilitation of connections among people, nature, and community.

    $10,000
  16. Rhinelander Kiwanis Foundation IncRhinelander, WI

    To support the foundation in supporting local youth and community projects.

    $10,000
  17. Pickles Group IncWinnetka, IL

    To support the mission to provide peer-to-peer support to childre whose parents or caregivers have cancer.

    $5,000
  18. New Trier Educational FoundationNorthfield, IL

    To support the mission of the enhancement of school district programs.

    $5,000
  19. MW Music in the Park IncManitowsh WTR, WI

    To support the mission to contribute to entertainment in downtown manitowish waters to create community events that can be enjoyed by all.

    $1,000
  20. Three Gaits IncStoughton, WI

    To support the mission of providing equine-assisted activities and therapies that enhance the lives of people with physical, emotional, and/or intellectual challenges.

    $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 $493,00061% of the total
  2. Human services3 grants $120,00015% of the total
  3. Health1 grant $60,0007% of the total
  4. Sports and recreation2 grants $51,0006% of the total
  5. International aid1 grant $50,0006% of the total
  6. Philanthropy and grantmaking2 grants $20,0002% of the total
  7. 2 other causes3 grants $16,0002% of the total

By State

Grants to organizations with a US address, latest year.

  1. Wisconsin14 grants $837,408
  2. Ohio2 grants $370,000
  3. Illinois4 grants $70,000

Officers, directors and trustees

4 people as filed

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

  • Tara M BellDIRECTOR Hours 1Pay $0
  • Brittany A MooreDIRECTOR Hours 1Pay $0
  • L Susan ClackPRESIDENT & DIRECTOR Hours 2Pay $0
  • Richard E ClackSECRETARY / TREASURER / DIRECTOR Hours 1Pay $0

The return

More foundations

Similar foundations

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

  1. Rcu Foundation IncEau Claire, WI 14 grants Preselected only $1,287,000 giving
  2. Firerose Foundation IncMadison, WI 14 grants Accepts applications $1,287,500 giving
  3. Virginia Wimmer Char TRMilwaukee, WI 1 grant Accepts applications $1,250,694 giving
  4. Thomas J Rolfs FoundationNashotah, WI 19 grants Preselected only $1,373,000 giving
  5. Charter Manufacturing Company Foundation IncMilwaukee, WI 32 grants Preselected only $1,410,250 giving