---
title: "MPM BIO VENTURES III QP LP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/722ca404-15c8-5f3e-8b76-2ea99ca80ad3
json: https://whiteintel.dev/api/public/dossier/722ca404-15c8-5f3e-8b76-2ea99ca80ad3
identifier: sec:0001173409
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MPM BIO VENTURES III QP LP

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001173409`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/722ca404-15c8-5f3e-8b76-2ea99ca80ad3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/722ca404-15c8-5f3e-8b76-2ea99ca80ad3  

## Ownership & control

### Holdings / subsidiaries

- **MPM ACQUISITION CORP** (other) — https://whiteintel.dev/entity/6ba1394a-97c0-5b9d-9529-b52f63e198b8
- **MPM ACQUISITION CORP** (tenpercentowner) — https://whiteintel.dev/entity/6ba1394a-97c0-5b9d-9529-b52f63e198b8
- **HUMANIGEN, INC** (tenpercentowner) — https://whiteintel.dev/entity/e5e57595-91a9-57dd-a842-3a01ab5db3cc
- **PERNIX SLEEP, INC.** (tenpercentowner) — https://whiteintel.dev/entity/3613414e-93b8-5896-b09f-71a1296ab7fb
- **COMBINATORX INC** (tenpercentowner) — https://whiteintel.dev/entity/ebcb95b8-c7e4-5779-b5e7-29ce6029d873
- **ENTEROMEDICS INC** (tenpercentowner) — https://whiteintel.dev/entity/9b4dd456-9b55-5559-b44c-db2f8c068630
- **ENTEROMEDICS INC** (other) — https://whiteintel.dev/entity/9b4dd456-9b55-5559-b44c-db2f8c068630
- **Altimmune, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/81e04289-eb27-5cec-96f2-99206bc89349
- **ARYX THERAPEUTICS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/027b02f6-1de8-523d-8360-3f45bcf55c0e
- **NEORX CORP** (tenpercentowner) — https://whiteintel.dev/entity/7b75811b-52dd-5d01-a88a-f39ea2c674bf
- **PEPLIN INC** (tenpercentowner) — https://whiteintel.dev/entity/c6f5a177-199a-51b2-9d5d-c76fcc0b71f6
- **PHARMASSET INC** (tenpercentowner) — https://whiteintel.dev/entity/92cb38df-5935-50f1-96ff-92378029c8fd
- **Altimmune, Inc.** (other) — https://whiteintel.dev/entity/81e04289-eb27-5cec-96f2-99206bc89349
- **HELICOS BIOSCIENCES CORP** (tenpercentowner) — https://whiteintel.dev/entity/9d7f63d8-f365-577a-91b0-da7b4dae670f
- **COTHERIX INC** (tenpercentowner) — https://whiteintel.dev/entity/d8c9f9c3-a189-59bf-bbc3-c7c6ae19b705

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MPM BIO VENTURES III QP LP**. Human view: https://whiteintel.dev/entity/722ca404-15c8-5f3e-8b76-2ea99ca80ad3 · Structured JSON: https://whiteintel.dev/api/public/dossier/722ca404-15c8-5f3e-8b76-2ea99ca80ad3._

_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"._