Funding search · EIN 461632345 · Pewaukee, WI
Maas 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.
- 116
- grants reported
- $408,350
- total given
- 2022–2025
- filing years
- $3,000
- 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.
- University of Wisconsin Foundation4 grants · $81,000
- Florida Golf Coast University Foundation4 grants · $20,000
- Harry Chapin Food Bank of Southwest Florida4 grants · $18,000
- Kcrw4 grants · $17,000
- Noble Network Charter Schools3 grants · $15,000
- Colonial Williamsburg Foundation3 grants · $14,000
- Los Angeles Philharmonic Association2 grants · $13,500
- Milwaukee Repertory Theater4 grants · $13,000
- Lee Memorial Health System Foundation2 grants · $11,000
- Army Emergency Relief3 grants · $10,000
Giving over time
Grant history
The 100 largest of 116 grants.
- $20,500
University of Wisconsin Foundation · Milwaukee, WI · 2024
To give financial aid to students to pursue their education dreams without additional hardship in life.
- $20,250
University of Wisconsin Foundation · Milwaukee, WI · 2025
Sonja j maas scholarship - education fund
- $20,250
University of Wisconsin Foundation · Milwaukee, WI · 2023
To give financial aid to students to pursue their education dreams without additional hardship in life.
- $20,000
University of Wisconsin Foundation · Milwaukee, WI · 2022
To give financial aid to students to pursue their education dreams without additional hardship in life.
- $10,000
Los Angeles Philharmonic Association · Los Angeles, CA · 2025
To further organization's charitable purposes
- $8,000
Florida Golf Coast University Foundation · Fort Myers, FL · 2023
To advance fgcu and its students institution, philanthropy, and needs
- $6,000
Florida Golf Coast University Foundation · Fort Myers, FL · 2025
To advance fgcu and its students institution, philanthropy, and needs
- $6,000
Lee Memorial Health System Foundation · Fort Myers, FL · 2025
To further organization's charitable purposes
- $6,000
Milwaukee Repertory Theater · Milwaukee, WI · 2025
To further organization's charitable purposes
- $6,000
Harry Chapin Food Bank of Southwest Florida · Fort Myers, FL · 2022
To further organization's charitable purposes
- $5,500
University of Wisconsin Waukesha Foundation · Milwaukee, WI · 2022
Encourages individuals and organizations to make gifts to the university. Ein: 39-1588785
- $5,000
American Forests · Washington, DC · 2025
To further organization's charitable purposes
- $5,000
Arkansas Childrens Hospital · Little Rock, AR · 2025
To further organization's charitable purposes
- $5,000
Colonial Williamsburg Foundation · Williamsburg, VA · 2025
To further organizations charitable purposes
- $5,000
Kcrw · Santa Monica, CA · 2025
To further organization's charitable purposes
- $5,000
Love & Love Tennis Foundation · Palm Desert, CA · 2025
To further organization's charitable purposes
- $5,000
Madison Children'S Museum · Madison, WI · 2025
To further organization's charitable purposes
- $5,000
Medshare · Decatur, GA · 2025
To further organization's charitable purposes
- $5,000
Metropolitan Family Services · Chicago, IL · 2025
To further organization's charitable purposes
- $5,000
National Casagal Association for Children · Seattle, WA · 2025
To further organization's charitable purposes
- $5,000
Noble Network Charter Schools · Chicago, IL · 2025
To further organization's charitable purposes
- $5,000
Treepeople · Beverly Hills, CA · 2025
To further organization's charitable purposes
- $5,000
Colonial Williamsburg Foundation · Williamsburg, VA · 2024
To further organizations charitable purposes
- $5,000
Kcrw · Santa Monica, CA · 2024
To further organization's charitable purposes
- $5,000
Lee Memorial Health System Foundation · Fort Myers, FL · 2024
To further organization's charitable purposes
- $5,000
Legal Aid Chicago · Chicago, IL · 2024
To further organization's charitable purposes
- $5,000
Milwaukee Repertory Theater · Milwaukee, WI · 2024
To further organization's charitable purposes
- $5,000
Noble Network Charter Schools · Chicago, IL · 2024
To further organization's charitable purposes
- $5,000
Nyu College of Dentistry · New York, NY · 2024
To further organization's charitable purposes
- $5,000
Wings Program · Palatine, IL · 2024
To further organization's charitable purposes
- $5,000
Felines · Chicago, IL · 2023
Adoption center focused on finding home for animals in need
- $5,000
Kcrw · Santa Monica, CA · 2023
To further organization's charitable purposes
- $5,000
Noble Network Charter Schools · Chicago, IL · 2023
To further organization's charitable purposes
- $5,000
Waukesha Free Clinic at Caroll University · Waukesha, WI · 2023
Support health and well-being of uninsured, underinsured, low-income people
- $5,000
American Red Cross · Chicago, IL · 2022
To further organization's charitable purposes
- $5,000
Equestrian Connection Nfp · Lake Forest, IL · 2022
To further organization's charitable purposes
- $5,000
Kosciuszko Foundation · New York, NY · 2022
To further organization's charitable purposes
- $5,000
Little John'S Kitchen · Fitchburg, WI · 2022
To further organization's charitable purposes
- $5,000
Samaritan'S Purse · Boone, NC · 2022
To further organization's charitable purposes
- $5,000
Trees for the Future · Silver Spring, MD · 2022
To further organization's charitable purposes
- $4,000
Clinic for the Rehabilitation of Wildlife · Sanibel, FL · 2025
To further organization's charitable purposes
- $4,000
Harry Chapin Food Bank of Southwest Florida · Fort Myers, FL · 2025
Food distribution to needy families in sw florida
- $4,000
Army Emergency Relief · Arlington, VA · 2024
Assistance to soliders and their families in need
- $4,000
Florida Golf Coast University Foundation · Fort Myers, FL · 2024
To advance fgcu and its students institution, philanthropy, and needs
- $4,000
Harry Chapin Food Bank of Southwest Florida · Fort Myers, FL · 2024
Food distribution to needy families in sw florida
- $4,000
Army Emergency Relief · Arlington, VA · 2023
Assistance to soliders and their families in need
- $4,000
Autism Society of America · Rockville, MD · 2023
Improve lives of all who are impacted by autism
- $4,000
Colonial Williamsburg Foundation · Williamsburg, VA · 2023
To further organizations charitable purposes
- $4,000
Harry Chapin Food Bank of Southwest Florida · Fort Myers, FL · 2023
Food distribution to needy families in sw florida
- $4,000
Have Dreams · Evanston, IL · 2023
Raising awareness of autism and programs to support families of autism
- $4,000
Bread of Healing · Milwaukee, WI · 2022
To further organization's charitable purposes
- $4,000
My Block My Hood My City · Chicago, IL · 2022
To further organization's charitable purposes
- $4,000
Paws Chicago · Chicago, IL · 2022
To further organization's charitable purposes
- $3,500
Breakthrough T1d · New York, NY · 2024
To further organization's charitable purposes
- $3,500
Los Angeles Philharmonic Association · Los Angeles, CA · 2024
To further organization's charitable purposes
- $3,000
Girls On the Run of New Orleans · New Orleans, LA · 2025
To further organization's charitable purposes
- $3,000
Medshare · Decatur, GA · 2024
To further organization's charitable purposes
- $3,000
White House Historical Foundation · Washington, DC · 2024
To educate the public about the white house and its history
- $3,000
World Central Kitchen · Washington, DC · 2024
To further organization's charitable purposes
- $3,000
University of Wisconsin Waukesha Foundation · Milwaukee, WI · 2023
Encourages individuals and organizations to make gifts to the university. Ein: 39-1588785
- $2,500
Children'S Scholarship Fund · New York, NY · 2025
To further organization's charitable purposes
- $2,500
Reach Rescue · Mundelein, IL · 2025
To further organization's charitable purposes
- $2,500
Waukesha County Community Foundation · Waukesha, WI · 2025
To further organization's charitable purposes
- $2,500
Providence Farms Foundation · Northfield, IL · 2024
To further organization's charitable purposes
- $2,500
Variety of the Desert · Palm Desert, CA · 2022
To further organization's charitable purposes
- $2,000
American Red Cross · Chicago, IL · 2024
To further organization's charitable purposes
- $2,000
Heights Foundation · Fort Myers, FL · 2023
Provide educational and social support to underprivileged families
- $2,000
Pewaukee High School Booster Club · Pewaukee, WI · 2023
Sponsor students in the aviation program at pewaukee high school
- $2,000
The Book Love Foundation · North Conway, NH · 2023
Provides classroom libraries to public school teachers who inspire a love of reading
- $2,000
Army Emergency Relief · Arlington, VA · 2022
To further organization's charitable purposes
- $2,000
Florida Golf Coast University Foundation · Fort Myers, FL · 2022
To further organization's charitable purposes
- $2,000
Jdrf · New York, NY · 2022
To further the research for juvenile diabetes. Ein: 23-1907729
- $2,000
Kcrw · Santa Monica, CA · 2022
To further organization's charitable purposes
- $1,500
Breakthrough T1d · New York, NY · 2025
To further organization's charitable purposes
- $1,500
Role Model Movement Inc (My Block My Hood My City) · Chicago, IL · 2025
Help underprivileged kids lower gun violence and have educational/good experiences
- $1,500
Waukesha Free Clinic at Caroll University · Waukesha, WI · 2025
Support health and well-being of uninsured, underinsured, low-income people
- $1,500
White House Historical Foundation · Washington, DC · 2025
To educate the public about the white house and its history
- $1,500
Chicago Parks Foundation · Chicago, IL · 2024
To further organization's charitable purposes
- $1,500
Foundation for the Vernon Area District Public Library · Lincolnshire, IL · 2024
To further organization's charitable purposes
- $1,500
Milwaukee Repertory Theater · Milwaukee, WI · 2022
To further organization's charitable purposes
- $1,000
Heights Foundation · Fort Myers, FL · 2025
Provide educational and social support to underprivileged families
- $1,000
Oconomowoc Food Pantry · Oconomowoc, WI · 2025
To further organization's charitable purposes
- $1,000
Super Scratch Foundation · Lafayette Hill, PA · 2025
To further organization's charitable purposes
- $1,000
The Book Love Foundation · North Conway, NH · 2025
Provides classroom libraries to public school teachers who inspire a love of reading
- $1,000
Greater Chicago Food Depository · Chicago, IL · 2024
Support training programs for unemployed or underemployed adults; outreach programs
- $1,000
Helen Keller International · New York, NY · 2024
Help deliver the essential building blocks of good health, sound nutrition and clear vision
- $1,000
La Regional Food Bank · Los Angeles, CA · 2022
To further organization's charitable purposes
- $1,000
River Forest Education Foundation · Elmhurst, IL · 2022
To further organization's charitable purposes
- $1,000
The Next Step · Huntsville, TX · 2022
To further organization's charitable purposes
- $900
Project Als · New York, NY · 2024
Help in identifying and fund the most promising scientific research to lead to treatments
- $750
Irwin a and Robert D Goodman Community Center · Madison, WI · 2025
Provide youth programs, meals, event spaces, for local community
- $500
Greater Chicago Food Depository · Chicago, IL · 2025
Support training programs for unemployed or underemployed adults; outreach programs
- $500
Lincoln Park Zoo · Chicago, IL · 2025
To further organization's charitable purposes
- $500
Lyric Opera of Chicago · Chicago, IL · 2025
To further organization's charitable purposes
- $500
Paws Chicago · Chicago, IL · 2025
To further organization's charitable purposes
- $500
Phet Interactive Simulations (University of Colorado) · Boulder, CO · 2025
To further organization's charitable purposes
- $500
Paws Chicago · Chicago, IL · 2024
To further organization's charitable purposes
- $500
The Against Malaria Foundation · Kansas City, MO · 2024
Education and prevention/mitigation
- $500
Bread of Healing · Milwaukee, WI · 2023
To further organization's charitable purposes
- $500
Helen Keller International · New York, NY · 2023
Help deliver the essential building blocks of good health, sound nutrition and clear vision
Who else funds this kind of work
Same state
- Children'S Hospital of Wisconsin82 grants · $246.0M
- Ascendium Education Solutions667 grants · $296.7M
- Thrivent Charitable Impact & Investing6,575 grants · $204.2M
Similar purposes
- Bny Mellon Charitable Gift Fund3,620 grants · $914.9M
- Gray Foundation972 grants · $261.2M
- Impact Investing Charitable Foundation193 grants · $373.9M
Similar grant size
- Enterprise Holdings Foundation30,880 grants · $360.4M
- State Employees Credit Union Foundation7,131 grants · $63.0M
- Publix Super Markets Charities6,333 grants · $108.7M
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.

