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InvestorsKnown from its fund filings

Winnow

Madison, WI

Winnow is known to venfeed from 1 venture fund that filed a Form D under its name, based in Madison, WI. It does not appear in the SEC's adviser lists under this name.

Last checkedOct 9, 2026. Adviser records are re-read when the SEC publishes its monthly lists; fund filings every day. Details can change after they are filed or reported; if something here is wrong or has changed, tell us below.

Focus

Not known yet. The SEC does not ask a firm what stages or sectors it invests in. Once the firm claims this profile, or rounds it invested in are recorded, it will show here with its source.

Portfolio

0 cited

No rounds recorded yet. A round appears here when a press release, news report or the company names this firm as an investor, with a link to that source.

People

As named on its funds' SEC filings
  • Brian Wiegand
    Member of Investment Committee of Issuer
    Last named Jan 19, 2021
  • Ken Johnson
    Member of Investment Committee of Issuer
    Last named Jan 19, 2021
  • Kevin Ladwig
    Last named Jan 19, 2021
  • Mike Thorson
    Member of Investment Committee of Issuer
    Last named Jan 19, 2021
  • Richelle Martin
    Managing Director of General Partner of Issuer
    Last named Jan 19, 2021

A fund's Form D names the executive officers and directors of its general partner when it is filed. People stay listed with the date they were last named; someone who has left may still appear until a newer filing or a correction says so.

Funds

1 on file
FundFormedRaisedTargetLast filed
Winnow Fund I, L.P.2018$10M$10MJan 19, 2021

Funds are matched to this firm by the manager named on their filings or by name. If a fund here is not theirs, tell us below.

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Tell us what has changed and, if you can, where it says so. An editor checks it against a source before the profile changes. If this profile is about your firm, you can also claim it and keep it current yourself.