---
title: "HANSEN MEDICAL INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/da6d0a8a-2ede-5572-99d9-3970eb03cf5c
json: https://whiteintel.dev/api/public/dossier/da6d0a8a-2ede-5572-99d9-3970eb03cf5c
identifier: sec:0001276591
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HANSEN MEDICAL INC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001276591`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/da6d0a8a-2ede-5572-99d9-3970eb03cf5c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/da6d0a8a-2ede-5572-99d9-3970eb03cf5c  

## Ownership & control

### Owners / controllers

- **ORACLE PARTNERS LP** (tenpercentowner) — https://whiteintel.dev/entity/9e437488-5eef-5da1-854e-717696afe374
- **ORACLE TEN FUND MASTER, LP** (tenpercentowner) — https://whiteintel.dev/entity/1b834df6-cecf-5a37-96f2-259e31327b95
- **ORACLE ASSOCIATES LLC** (tenpercentowner) — https://whiteintel.dev/entity/9068f5d7-928a-5be3-829d-98b42fc1589a
- **ORACLE INSTITUTIONAL PARTNERS L P** (tenpercentowner) — https://whiteintel.dev/entity/77fd8645-e6be-5857-852d-42d0f77a38db
- **FEINBERG LARRY N** (tenpercentowner) — https://whiteintel.dev/entity/c5914b34-60a1-5d09-8c6d-cc476f0bd3e1
- **SCHULER JACK W** (tenpercentowner) — https://whiteintel.dev/entity/f16b1a32-31d6-5dc7-a467-5e1c7a20bfd9
- **SCHULER EDUCATION FOUNDATION** (tenpercentowner) — https://whiteintel.dev/entity/4e63e218-95cb-52c8-9df8-59a5b52d7f4a
- **TANANBAUM JAMES B** (tenpercentowner) — https://whiteintel.dev/entity/67352955-0460-59e9-9dbf-4f10785d0981
- **SKYLINE EXPANSION FUND MANAGEMENT, LLC** (tenpercentowner) — https://whiteintel.dev/entity/f3bbd698-ebc0-54bf-8628-14b561ebabd3
- **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
- **SKYLINE EXPANSION FUND, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/97debb73-9fad-53ba-a363-67e9305448ad
- **PROSPECT ASSOCIATES II L P** (tenpercentowner) — https://whiteintel.dev/entity/68c513ed-405b-5117-b4fa-305ce0be47e6
- **KANEKO YASUNORI** (tenpercentowner) — https://whiteintel.dev/entity/e8830182-d106-548d-b074-1016d41fcf31
- **SKYLINE VENTURE MANAGEMENT III, LLC** (tenpercentowner) — https://whiteintel.dev/entity/e0ac067a-6c6c-5165-a824-736b52ab1dd8
- **SKYLINE VENTURE PARTNERS QUALIFIED PURCHASER FUND III, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/b753576c-b296-5ac9-b5d0-3bb664ceb099
- **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
- **SKYLINE VENTURE PARTNERS III, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/b3cfbdf5-ef71-5e59-b918-02f0787f7c3c

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

A **73-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 **HANSEN MEDICAL INC** — https://whiteintel.dev/entity/da6d0a8a-2ede-5572-99d9-3970eb03cf5c · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HANSEN MEDICAL INC**. Human view: https://whiteintel.dev/entity/da6d0a8a-2ede-5572-99d9-3970eb03cf5c · Structured JSON: https://whiteintel.dev/api/public/dossier/da6d0a8a-2ede-5572-99d9-3970eb03cf5c._

_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"._