Portfolio
Learn more about Winnow Fund's investments
Partnered: 2023
Cold Water’s first product, Happy Scratch, is a non-prescription food additive aimed at reducing itching in pets commonly caused by food and seasonal allergies. The product is based on patented technologies developed at the University of Wisconsin-Madison.
Partnered: 2024
Partnered: 2022
Partnered: 2022

Partnered: 2021
RoddyMedical develops innovative medical devices that improve clinical safety and patient outcomes. Their first product, the SecureMove-TLC, is an arm band that organizes a patient’s tubes, lines, and cords to prevent pulling or accidental dislodging.

Partnered: 2021

Partnered: 2024
Sonoptima is developing a wearable ultrasound device that will continually
measure the internal anatomy, specifically of pelvic organs, of cancer patients to identify
the optimal time for radiation treatment. The company is using technology developed at the Medical College of Wisconsin.
Partnered: 2024
Teleperson’s customer service platform aims to align the interests of companies with the customers it serves. Its product will integrate with call centers, Business Process Outsourcers (BPOs) and other customer service infrastructures to give consumers self-service options and provide businesses with insight into consumer behavior.
Inactive companies
Partnered: 2022
Closed: 2024