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The Winnow Fund

The Winnow Fund

Madison, Wisconsinwinnowfund.com

Overview

The Winnow Fund is a micro-VC firm that invests in pre-seed and seed-stage companies based in Wisconsin. It focuses on sectors including agriculture, IT, medical devices, advanced manufacturing, and engineered products. The fund aims to be the first institutional investor in a startup, with a particular emphasis on opportunities emerging from colleges and universities across the state. It is one of the portfolio funds under the Badger Fund of Funds.

Portfolio Companies

2

Investments

The Winnow Fund investments
CompanyDateStageLead
Sonoptima, Inc.Feb 2024SeedLead
Roddy MedicalAug 2021SeedCo-investor

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

Portfolio analytics

Caplight clients see yearly investment pace and funding raised over time.

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FAQ

Where is The Winnow Fund based?

The Winnow Fund is headquartered in Madison, Wisconsin, United States.

When was The Winnow Fund founded?

Founding year information for The Winnow Fund is not publicly available.

How many portfolio companies does The Winnow Fund have?

The Winnow Fund has 2 portfolio companies in Caplight's dataset.

What are some companies in The Winnow Fund's portfolio?

Portfolio companies visible on Caplight include Sonoptima, Inc., Roddy Medical.

What was The Winnow Fund's most recent investment shown here?

The Winnow Fund's most recent investment in this portfolio sample was in Sonoptima, Inc. in 2024.

What sectors does The Winnow Fund focus on?

The Winnow Fund focuses on Healthcare & Life Sciences, Healthcare & Life Sciences, Frontier & Industrial Tech.

What company stages does The Winnow Fund focus on?

The Winnow Fund typically invests at the Early stage.

What is The Winnow Fund's AUM?

The Winnow Fund's assets under management are estimated between $10.2M and $10.2M.

Firmographic Details

HeadquartersMadison, Wisconsin
Year FoundedN/A

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