---
title: "ADVANCED MAGNETICS INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d29e63ca-24a2-58f4-8912-115eb4b05d47
json: https://whiteintel.dev/api/public/dossier/d29e63ca-24a2-58f4-8912-115eb4b05d47
identifier: sec:0000792977
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ADVANCED MAGNETICS INC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000792977`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d29e63ca-24a2-58f4-8912-115eb4b05d47  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d29e63ca-24a2-58f4-8912-115eb4b05d47  

## Ownership & control

### Owners / controllers

- **JAY JEFFREY R** (tenpercentowner) — https://whiteintel.dev/entity/3824573a-439e-5e08-a55f-3ffcc3580c3b
- **BVF PARTNERS L P/IL** (tenpercentownerother) — https://whiteintel.dev/entity/2d1fe4be-fda1-5949-a4dc-2db0872357b2
- **GREAT POINT PARTNERS LLC** (tenpercentowner) — https://whiteintel.dev/entity/a6e52824-9a70-5c49-a3f9-3bac9b9d5858
- **BVF INC/IL** (tenpercentownerother) — https://whiteintel.dev/entity/c3788db9-7dee-589d-a6de-f535d1b919df
- **JOHNSON DAVID EDWARD** (tenpercentowner) — https://whiteintel.dev/entity/82b79e9b-a018-55b2-be20-db6cef60c908
- **CALIGAN PARTNERS LP** (tenpercentowner) — https://whiteintel.dev/entity/5f6cce2f-5853-5779-a154-f1c91497858a
- **CAMBER CAPITAL MANAGEMENT LLC** (tenpercentowner) — https://whiteintel.dev/entity/707b5ac6-e2a2-577e-b44f-48bc395ca856
- **BOYD STEVEN** (tenpercentowner) — https://whiteintel.dev/entity/68cae94d-a82f-553e-8786-04664c913811
- **ARMISTICE CAPITAL MASTER FUND LTD.** (tenpercentowner) — https://whiteintel.dev/entity/fe99168c-cfa8-58d0-9e9f-d4fe5c15f4b8
- **ARMISTICE CAPITAL, LLC** (tenpercentowner) — https://whiteintel.dev/entity/cfd5f54c-7652-571a-a0d3-5467e23f93ed
- **SHEA KENNETH** (tenpercentownerother) — https://whiteintel.dev/entity/774acaa0-71dd-5d3c-a2db-ebf0d558e6a2
- **MERKSAMER SAMUEL** (tenpercentowner) — https://whiteintel.dev/entity/a9804110-d721-5bcf-9031-91a8d3efaf77
- **ADAGE CAPITAL ADVISORS, L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/798928b8-f47f-578f-8e9e-100ac4fc83e9
- **Gross Phillip** (tenpercentowner) — https://whiteintel.dev/entity/47e6967f-3149-52d7-81d4-b8566c73a261
- **ADAGE CAPITAL PARTNERS GP LLC** (tenpercentowner) — https://whiteintel.dev/entity/84da2fdd-7181-5f9e-980d-e0ab52750f37
- **ADAGE CAPITAL  PARTNERS LP** (tenpercentowner) — https://whiteintel.dev/entity/7e16dca0-2b8e-5b82-ae84-bc58005192cb
- **Atchinson Robert** (tenpercentowner) — https://whiteintel.dev/entity/e14e0757-184a-5bca-af29-22a59383bd54

### UBO chain (walk to the ultimate owner)

A **78-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **ADVANCED MAGNETICS INC** — https://whiteintel.dev/entity/d29e63ca-24a2-58f4-8912-115eb4b05d47 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ADVANCED MAGNETICS INC**. Human view: https://whiteintel.dev/entity/d29e63ca-24a2-58f4-8912-115eb4b05d47 · Structured JSON: https://whiteintel.dev/api/public/dossier/d29e63ca-24a2-58f4-8912-115eb4b05d47._

_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"._