Portfolio
Fund I Companies - Active
Fund I is closed

Cold Water Technologies
A patented nutraceutical derived from an agricultural waste stream that treats inflammation in pets by targeting biological pathways, available as a pet food additive or treat with a primary focus on relieving dermatitis in dogs.
Cold Water Technologies website
DropCap
An international marketplace connecting self-published authors with rights buyers and offering comprehensive agency services
DropCap website
Fenster Analytics/Invokation Games
Fenster Analytics was acquired in 2025 by Invokation Games, an Estonian software company specializing in skill-based matchmaking for multiplayer titles.
Invokation Games website
Gentueri
A global provider of innovative and reliable non-invasive sample collection devices and kits
Gentueri website
Plumb Pharmaceuticals
Developing a proprietary lipid-based drug delivery platform to extend the release times of pharmaceuticals, initially focusing on opioid addiction treatments.
Plumb Pharmaceuticals website
RoddyMedical
An FDA-registered Class I medical device that organizes tubes, lines, and cords to enhance patient mobility and safety, and has proven to save lives.
RoddyMedical website
Sonoptima
Developing a wearable ultrasound technology for continuous monitoring and optimal timing of pelvic radiation therapy.
Sonoptima website
Teleperson
SaaS company offering consumer-focused customer service and marketing insights.
Teleperson websiteFund I Companies - Closed

SlotCheck
Redeemed
Winnow Fund redeemed a portion of its investment in Slot Check in Q3 2026.

Village
Redeemed
Winnow Fund redeemed the full amount of its investment in Village in October 2023

leysi
Closed
leysi's platform closed in 2024 due to lack of funding.