---
title: "AH BIO FUND II-B, L.P. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ea4e415d-41e8-5a94-a706-9d19a295b36c
json: https://whiteintel.dev/api/public/dossier/ea4e415d-41e8-5a94-a706-9d19a295b36c
identifier: sec:0001725720
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AH BIO FUND II-B, L.P.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001725720`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ea4e415d-41e8-5a94-a706-9d19a295b36c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ea4e415d-41e8-5a94-a706-9d19a295b36c  

## Ownership & control

### Holdings / subsidiaries

- **CM LIFE SCIENCES III INC.** (tenpercentowner) — https://whiteintel.dev/entity/f9a124ec-470b-5586-9490-67830f9b5a67
- **Nautilus Biotechnology, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/64f47062-0b19-50dc-9c1f-6e6cff868db5

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AH BIO FUND II-B, L.P.**. Human view: https://whiteintel.dev/entity/ea4e415d-41e8-5a94-a706-9d19a295b36c · Structured JSON: https://whiteintel.dev/api/public/dossier/ea4e415d-41e8-5a94-a706-9d19a295b36c._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._