---
title: "DISCOVERY PARTNERS INTERNATIONAL INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3ae609cf-fccd-58c2-960d-ef36bf02bf22
json: https://whiteintel.dev/api/public/dossier/3ae609cf-fccd-58c2-960d-ef36bf02bf22
identifier: sec:0001113148
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# DISCOVERY PARTNERS INTERNATIONAL INC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001113148`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3ae609cf-fccd-58c2-960d-ef36bf02bf22  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3ae609cf-fccd-58c2-960d-ef36bf02bf22  

## Ownership & control

### Owners / controllers

- **LAMPERT MARK N** (tenpercentowner) — https://whiteintel.dev/entity/88b59549-d5c2-569d-a163-bc9f5aadeb62
- **BVF INC/IL** (tenpercentowner) — https://whiteintel.dev/entity/c3788db9-7dee-589d-a6de-f535d1b919df
- **BVF GP HOLDINGS LLC** (tenpercentowner) — https://whiteintel.dev/entity/6bdd31f3-cff2-565b-b0b0-b3be8afac673
- **BVF PARTNERS L P/IL** (tenpercentowner) — https://whiteintel.dev/entity/2d1fe4be-fda1-5949-a4dc-2db0872357b2
- **BIOTECHNOLOGY VALUE FUND L P** (tenpercentowner) — https://whiteintel.dev/entity/e0781eb6-5c7c-50b2-9211-3f2c16af19b5
- **BIOTECHNOLOGY VALUE FUND II LP** (tenpercentowner) — https://whiteintel.dev/entity/9ff49e18-8ece-51e1-9f80-9949902ef4c8
- **Biotechnology Value Trading Fund OS LP** (tenpercentowner) — https://whiteintel.dev/entity/5b96dfc9-0dbb-51e4-bb93-2b04087dd95d
- **BVF Partners OS Ltd.** (tenpercentowner) — https://whiteintel.dev/entity/091e36a5-1ad4-5123-92e4-17e6d5ad4e3e
- **BEACON CO** (tenpercentowner) — https://whiteintel.dev/entity/a9538ca8-415c-5937-b8b0-331e533b19d7
- **ROSEBAY MEDICAL CO L.P.** (tenpercentowner) — https://whiteintel.dev/entity/0eddf809-adb0-5110-8b06-c1ed3d64125f
- **PROSPECT VENTURE PARTNERS II LP** (tenpercentowner) — https://whiteintel.dev/entity/8c8f508e-40a8-5a75-9953-b695667a8bb7
- **SCHNELL DAVID** (tenpercentowner) — https://whiteintel.dev/entity/037de6c7-6a9a-5ab8-b022-7fa91f1dc37b
- **PROSPECT MANAGEMENT CO LLC** (tenpercentowner) — https://whiteintel.dev/entity/646cd140-c61f-5d64-bebb-063de7170bff
- **PROSPECT VENTURE PARTNERS LP** (tenpercentowner) — https://whiteintel.dev/entity/8cd6683c-346b-5cf5-9eec-2c8cc3b1685f
- **PROSPECT MANAGEMENT CO II LLC** (tenpercentowner) — https://whiteintel.dev/entity/3a7175de-8f2a-5fa9-8289-c46b80abf60c
- **BARKAS ALEXANDER E** (tenpercentowner) — https://whiteintel.dev/entity/7d749ecd-9624-51d4-8b3f-b745ae6f7ba3

### 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 **DISCOVERY PARTNERS INTERNATIONAL INC** — https://whiteintel.dev/entity/3ae609cf-fccd-58c2-960d-ef36bf02bf22 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **DISCOVERY PARTNERS INTERNATIONAL INC**. Human view: https://whiteintel.dev/entity/3ae609cf-fccd-58c2-960d-ef36bf02bf22 · Structured JSON: https://whiteintel.dev/api/public/dossier/3ae609cf-fccd-58c2-960d-ef36bf02bf22._

_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"._