---
title: "AEOLUS PHARMACEUTICALS, INC. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/519998d9-2ce7-59e5-b7ac-34784ff68e61
json: https://whiteintel.dev/api/public/dossier/519998d9-2ce7-59e5-b7ac-34784ff68e61
identifier: sec:0001261734
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AEOLUS PHARMACEUTICALS, INC.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001261734`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/519998d9-2ce7-59e5-b7ac-34784ff68e61  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/519998d9-2ce7-59e5-b7ac-34784ff68e61  

## Ownership & control

### Owners / controllers

- **BVF INVESTMENTS LLC** (tenpercentowner) — https://whiteintel.dev/entity/b58c086f-c881-5c3b-b585-54bf5342dc64
- **BIOTECHNOLOGY VALUE FUND II LP** (tenpercentowner) — https://whiteintel.dev/entity/9ff49e18-8ece-51e1-9f80-9949902ef4c8
- **XMARK OPPORTUNITY PARTNERS, LLC** (tenpercentowner) — https://whiteintel.dev/entity/1981f266-6890-55a0-b927-7f0dae397bc1
- **BIOTECHNOLOGY VALUE FUND L P** (tenpercentowner) — https://whiteintel.dev/entity/e0781eb6-5c7c-50b2-9211-3f2c16af19b5
- **BVF PARTNERS L P/IL** (tenpercentownerother) — https://whiteintel.dev/entity/2d1fe4be-fda1-5949-a4dc-2db0872357b2
- **BVF INC/IL** (tenpercentownerother) — https://whiteintel.dev/entity/c3788db9-7dee-589d-a6de-f535d1b919df
- **CAVALIER DAVID** (tenpercentowner) — https://whiteintel.dev/entity/4517746c-d792-5b68-ad0c-ec30595b3366
- **LAPPE MARK** (tenpercentowner) — https://whiteintel.dev/entity/65e202e4-8a06-5688-b9b1-f154669624da
- **EFFICACY BIOTECH MASTER FUND LTD.** (tenpercentowner) — https://whiteintel.dev/entity/3d7b4357-dcf2-5c48-b79b-6973788d6c08
- **EFFICACY BIOTECH FUND L.P.** (tenpercentowner) — https://whiteintel.dev/entity/342aa74b-b4f2-5f6c-9f09-871c48aa8099
- **EFFICACY CAPITAL, LTD.** (tenpercentowner) — https://whiteintel.dev/entity/3d1b5114-270f-511d-ba3c-fcbe8df2be5c
- **EFFICACY BIOTECH FUND LTD** (tenpercentowner) — https://whiteintel.dev/entity/b81281ea-878d-56b1-a9fb-6d01aee20dec
- **Kayyem Jon Faiz** (tenpercentowner) — https://whiteintel.dev/entity/6a562e35-7686-592c-be69-7f83b997f4c2
- **BIOTECHNOLOGY VALUE FUND II LP** (tenpercentownerother) — https://whiteintel.dev/entity/9ff49e18-8ece-51e1-9f80-9949902ef4c8
- **BVF INVESTMENTS LLC** (tenpercentownerother) — https://whiteintel.dev/entity/b58c086f-c881-5c3b-b585-54bf5342dc64
- **BIOTECHNOLOGY VALUE FUND L P** (tenpercentownerother) — https://whiteintel.dev/entity/e0781eb6-5c7c-50b2-9211-3f2c16af19b5

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

A **31-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 **AEOLUS PHARMACEUTICALS, INC.** — https://whiteintel.dev/entity/519998d9-2ce7-59e5-b7ac-34784ff68e61 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AEOLUS PHARMACEUTICALS, INC.**. Human view: https://whiteintel.dev/entity/519998d9-2ce7-59e5-b7ac-34784ff68e61 · Structured JSON: https://whiteintel.dev/api/public/dossier/519998d9-2ce7-59e5-b7ac-34784ff68e61._

_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"._