Winnow Fund I, L.P.
Follow-ons onlyEmerging manager
Follow-ons only: first sale Nov 2019, per Form D (fund age approximates vintage)
- Vintage
- 2019
- Fund size
- $10.22M (Form D)
- Stages
- Pre-seed, Seed
- Sectors
- Not stated
- Regions
- WI
01 · Thesis
No thesis found on the firm's website yet.
02 · Initial check
$68K to $128K (estimated from fund size)
Estimated from Form D
03 · Who to approach
Named on this fund's Form D
- Richelle Martin, Managing Director of General Partner of Issuer
- Ken Johnson, Member of Investment Committee of Issuer
- Mike Thorson, Member of Investment Committee of Issuer
- Brian Wiegand, Member of Investment Committee of Issuer
- Kevin Ladwig
04 · Deals
No deals attributed to this fund yet.
05 · Evidence
Firm-wideThe Winnow Fund makes numerous small investments in early-stage companies to obtain equity stakes early. It targets Wisconsin-based companies raising a first round, with pre-seed investments also evaluated.
Winnow Fund raised more than $10 million for Fund I and invested in nearly a dozen companies.
https://www.winnowfund.com/Firm-wideWinnow invests in exceptional founders across the Upper Midwest, including its home state of Wisconsin. It makes numerous small investments in early-stage companies.
We invest in exceptional founders across the Upper Midwest
https://www.winnowfund.com/
06 · Sources
Last verified: Oct 25, 2026