---
title: "SWAN WINIFRED L — Ownership Dossier"
canonical: https://whiteintel.dev/entity/7d07252f-8a92-5e7d-8aed-d6cef95e1f3e
json: https://whiteintel.dev/api/public/dossier/7d07252f-8a92-5e7d-8aed-d6cef95e1f3e
identifier: sec:0001341405
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SWAN WINIFRED L

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001341405`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/7d07252f-8a92-5e7d-8aed-d6cef95e1f3e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/7d07252f-8a92-5e7d-8aed-d6cef95e1f3e  

## Ownership & control

### Holdings / subsidiaries

- **NXSTAGE MEDICAL, INC.** (officer) — https://whiteintel.dev/entity/6af4045d-235f-51fe-ab3b-8f44dd71f57c

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SWAN WINIFRED L**. Human view: https://whiteintel.dev/entity/7d07252f-8a92-5e7d-8aed-d6cef95e1f3e · Structured JSON: https://whiteintel.dev/api/public/dossier/7d07252f-8a92-5e7d-8aed-d6cef95e1f3e._

_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"._