General Inquiries & Office

Please send us a message.

Note: If you are a company seeking investment, please use the form further below instead.

Mail & Packages:

Winnow Fund
2858 University Avenue #256
Madison, WI 53705

Companies Seeking Investment

You might be a fit for the Winnow Fund if:

  • You are based in Wisconsin

  • You are an early stage company seeking a $250,000-$500,000 investment

  • You are a proof-of-concept stage company seeking a $50,000-$100,000 investment

  • You are NOT seeking Series A or follow-on funding

  • The opportunity aligns with other parameters described on our Investment Approach page

Please tell us about your company.

What's your industry, idea, stage of business and financing status? Please be sure to mention if the business idea is connected to a Wisconsin college or university.