Private foundations · 990-PF data
Foundations in Wisconsin
- 1,503
- foundations
- $799.7M
- grants paid, FY2022–FY2025
- 473
- say they accept unsolicited
- $7,100
- median grant
Grantlas lists 1,503 private foundations based in Wisconsin, from their 990-PF filings for FY2022–FY2025. Together they paid out $799.7 million in grants in their latest filing year, and 473 of them (31%) say they accept unsolicited requests. The most common cities are Milwaukee (416), Madison (113) and Green Bay (66).
Top 25 of 1,503 foundations
All 25 foundations below say on their 990-PF that they accept unsolicited requests. Another 448 in this list say so too. Ranked by what they paid in grants in their latest filing.
| Funder | Median grant | Grants paid, latest filing | Grant range | Filing year | Fit score & contacts |
|---|---|---|---|---|---|
| Bader Philanthropies IncMilwaukee, WI | $57.1M | $68.9M | $45.3M–$68.9M | FY2024 | |
| Husco FoundationMilwaukee, WI | $10,000 | $52.8M | $250–$51.4M | FY2025 | |
| Northwestern Mutual Life Foundation IncMilwaukee, WI | $26.7M | $27M | $26.3M–$27M | FY2024 | |
| Joseph and Vera Zilber FamilyMilwaukee, WI | $7,500 | $18.8M | $250–$3.5M | FY2024 | |
| Pleasant T Rowland Foundation IncBrookfield, WI | $11,500 | $9.2M | $250–$1M | FY2025 | |
| Sentry Insurance Foundation IncStevens Point, WI | $1,500 | $7.3M | $25–$2.2M | FY2024 | |
| Seeds of Faith IncHartland, WI | $50,000 | $6.7M | $10,000–$5.9M | FY2025 | |
| Sonnentag Foundation LtdMarathon, WI | $6.4M | $6.4M | One amount | FY2025 | |
| Rockwell Automation Charitable CorpMilwaukee, WI | $45,000 | $6.2M | $10,000–$1.2M | FY2024 | |
| L E Phillips Family Foundation IncEau Claire, WI | $2,000 | $6.1M | $100–$1.6M | FY2025 | |
| Kelben Foundation IncMilwaukee, WI | $1,500 | $4.9M | $411–$4M | FY2024 | |
| Sc Johnson Giving IncRacine, WI | $401,412 | $4.7M | $16,750–$5.1M | FY2024 | |
| Nicholas Family Foundation TrustMequon, WI | $50,000 | $3.9M | $5,000–$500,000 | FY2025 | |
| Green Bay Packers FoundationGreen Bay, WI | $4,000 | $3.6M | $37–$250,000 | FY2024 | |
| Ruth St John & John Dunham WestManitowoc, WI | $20,000 | $3.6M | $500–$411,343 | FY2025 | |
| Menasha Corporation FoundationNeenah, WI | $3.4M | $3.5M | $3.2M–$3.5M | FY2025 | |
| Ab Nicholas Scholarship FoundationMequon, WI | $10,000 | $3.5M | $5,000–$25,000 | FY2024 | |
| The Oscar Rennebohm Foundation IncMadison, WI | $75,000 | $3.2M | $1,600–$300,000 | FY2025 | |
| The Ros FoundationGreenfield, WI | $20,000 | $3.1M | $5,000–$200,000 | FY2024 | |
| Sub-Zero Group Foundation IncMadison, WI | $20,000 | $2.8M | $500–$1.9M | FY2024 | |
| The Lori and David NicholasMequon, WI | $50,000 | $2.8M | $5,000–$600,000 | FY2025 | |
| Frank G & Frieda K Brotz FamilySheboygan, WI | $10,000 | $2.5M | $500–$300,000 | FY2024 | |
| National Exch Bank Foundation IncFond Du Lac, WI | $2.5M | $2.5M | One amount | FY2024 | |
| Alliant Energy Foundation IncMadison, WI | $400 | $2.4M | $10–$200,000 | FY2025 | |
| Pablo Foundation IncEau Claire, WI | $2,500 | $2.3M | $500–$833,333 | FY2024 |
- Median grant and grant range come from the grant schedule of the 990-PF. A dash means that foundation filed none, and “one amount” means every grant it filed was for the same figure.
Data from 990-PF filings, FY2022–FY2025. Updated September 20, 2026.