---
title: "BULL HEINZ W — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c8bc6255-c8b6-5f73-9c25-ce2d4de4e777
json: https://whiteintel.dev/api/public/dossier/c8bc6255-c8b6-5f73-9c25-ce2d4de4e777
identifier: sec:0001218162
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BULL HEINZ W

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001218162`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c8bc6255-c8b6-5f73-9c25-ce2d4de4e777  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c8bc6255-c8b6-5f73-9c25-ce2d4de4e777  

## Ownership & control

### Holdings / subsidiaries

- **TANOX INC** (director) — https://whiteintel.dev/entity/03b54820-08d5-5d65-9c9d-1374327e264f

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BULL HEINZ W**. Human view: https://whiteintel.dev/entity/c8bc6255-c8b6-5f73-9c25-ce2d4de4e777 · Structured JSON: https://whiteintel.dev/api/public/dossier/c8bc6255-c8b6-5f73-9c25-ce2d4de4e777._

_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"._