---
title: "WINKENWERDER WILLIAM JR. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/6b6be0c3-e51e-56a5-ad2d-2ecbefc0566d
json: https://whiteintel.dev/api/public/dossier/6b6be0c3-e51e-56a5-ad2d-2ecbefc0566d
identifier: sec:0001478877
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# WINKENWERDER WILLIAM JR.

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001478877`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/6b6be0c3-e51e-56a5-ad2d-2ecbefc0566d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/6b6be0c3-e51e-56a5-ad2d-2ecbefc0566d  

## Ownership & control

### Holdings / subsidiaries

- **ATHENAHEALTH INC** (director) — https://whiteintel.dev/entity/fb1b80a2-f77a-59ae-a1c8-ca12a60fb1c5

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **WINKENWERDER WILLIAM JR.**. Human view: https://whiteintel.dev/entity/6b6be0c3-e51e-56a5-ad2d-2ecbefc0566d · Structured JSON: https://whiteintel.dev/api/public/dossier/6b6be0c3-e51e-56a5-ad2d-2ecbefc0566d._

_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"._