Bios Capital Management, LP
SEC-registered investment adviser.
- HQ
- TX
Bios Partners is a venture capital firm that backs advanced biotech in overlooked and under-invested markets in the U.S., with a focus on compelling science across the Central US. The team is based in Fort Worth, TX. Its portfolio includes clinical-stage companies working on cancer, eye diseases, and rare genetic conditions.
New fund likely raising soon
The firm's newest fund is 4 to 7 years past its first sale and no newer Form D has been filed.
01 · Says / Does
| Tag | Says | Does |
|---|---|---|
| Stages | Not stated | Not enough dated deals |
| Sectors | Biotech | Not enough dated deals |
| Regions | US | Not enough dated deals |
Says: what the firm's funds state. Does: from 0 dated deals in the last 24 months.
02 · Fund history
| Fund | Year | Size | Status |
|---|---|---|---|
| BIOS Fund III NT, LP | approx. 2020 | $100M (Form D) | Follow-ons only |
| BIOS Fund III QP, LP | approx. 2020 | $100M (Form D) | Follow-ons only |
| BIOS Fund III, LP | approx. 2020 | $100M (Form D) | Follow-ons only |
| BIOS Fund III NT, LP | 2019 | $3.87M to $100M (Form D) | Follow-ons only |
| BIOS Fund III QP, LP | 2019 | $47.97M to $100M (Form D) | Follow-ons only |
| BIOS Fund III, LP | 2019 | $3.29M to $100M (Form D) | Follow-ons only |
03 · People across funds
- Aaron Fletcher, Managing Partner of BIOS Equity Partners III, LP and Manager of BIOS Advisors GP, LLC.
BIOS Fund III NT, LP (Named on Form D); BIOS Fund III QP, LP (Named on Form D); BIOS Fund III, LP (Named on Form D); BIOS Fund III NT, LP (Named on Form D); BIOS Fund III QP, LP (Named on Form D); BIOS Fund III, LP (Named on Form D)
- Leslie Kreis, Jr., Managing Partner of BIOS Equity Partners III, LP and Manager of each of CAVU Advisors, LLC and Steelhead Capital Management, LLC.
BIOS Fund III NT, LP (Named on Form D); BIOS Fund III QP, LP (Named on Form D); BIOS Fund III, LP (Named on Form D); BIOS Fund III NT, LP (Named on Form D); BIOS Fund III QP, LP (Named on Form D); BIOS Fund III, LP (Named on Form D)
- LLC CAVU Advisors, General Partner of CAVU Management, LP.
BIOS Fund III NT, LP (Named on Form D); BIOS Fund III QP, LP (Named on Form D); BIOS Fund III, LP (Named on Form D); BIOS Fund III NT, LP (Named on Form D); BIOS Fund III QP, LP (Named on Form D); BIOS Fund III, LP (Named on Form D)
- LP Bios Equity Partners III, General Partner of the Issuer.
BIOS Fund III NT, LP (Named on Form D); BIOS Fund III QP, LP (Named on Form D); BIOS Fund III, LP (Named on Form D); BIOS Fund III NT, LP (Named on Form D); BIOS Fund III QP, LP (Named on Form D); BIOS Fund III, LP (Named on Form D)
- Blake Pate, Vice President of Investments
BIOS Fund III NT, LP (Team); BIOS Fund III QP, LP (Team); BIOS Fund III, LP (Team); BIOS Fund III NT, LP (Team); BIOS Fund III QP, LP (Team); BIOS Fund III, LP (Team)
- John Fucci, Partner
BIOS Fund III NT, LP (Team); BIOS Fund III QP, LP (Team); BIOS Fund III, LP (Team); BIOS Fund III NT, LP (Team); BIOS Fund III QP, LP (Team); BIOS Fund III, LP (Team)
- Stephen Phillips, Vice President
BIOS Fund III NT, LP (Team); BIOS Fund III QP, LP (Team); BIOS Fund III, LP (Team); BIOS Fund III NT, LP (Team); BIOS Fund III QP, LP (Team); BIOS Fund III, LP (Team)
04 · Recent deals
No dated deals found yet.
05 · Latest from the firm
No news from the firm's website yet.
06 · Sources
- https://biospartners.com/contact/
- https://biospartners.com/portfolio/
- https://biospartners.com/team/
- https://biospartners.com/
Fund dates and sizes are from SEC Form D filings.
Last verified: Oct 25, 2026