Define Ventures Management, LLC
Define Ventures Fund III, L.P.
Late investment period
Late investment period: no first sale reported; age from Form D filed Jul 2022 (approximate)
- Vintage
- Unknown
- Fund size
- $425M (Form D)
- Stages
- Not stated
- Sectors
- Healthtech
- Regions
- Not stated
01 · Thesis
Define Ventures Fund III, L.P. is named in an insights headline on the firm's pages. The public pages give no further detail on its stages, sectors, or check sizes.
02 · Initial check
$4.25M to $7.08M (estimated from fund size)
Estimated from Form D
03 · Who to approach
Named on this fund's Form D
- Lynne Chou O'Keefe, Founder & Managing Partner
04 · Deals
No deals attributed to this fund yet.
05 · Evidence
The pages name a Fund III in an insights headline. They give no further detail on its stages, sectors or check sizes.
Define Ventures Fund III and Opportunities Fund
https://www.definevc.com/insights-all
06 · Sources
Last verified: Oct 28, 2026