---
title: "QUEST DIAGNOSTICS INC /MA/ — Ownership Dossier"
canonical: https://whiteintel.dev/entity/141dcdec-c2b7-5ef5-8128-dad75b2a4818
json: https://whiteintel.dev/api/public/dossier/141dcdec-c2b7-5ef5-8128-dad75b2a4818
identifier: sec:0001027504
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# QUEST DIAGNOSTICS INC /MA/

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001027504`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/141dcdec-c2b7-5ef5-8128-dad75b2a4818  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/141dcdec-c2b7-5ef5-8128-dad75b2a4818  

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **QUEST DIAGNOSTICS INC /MA/**. Human view: https://whiteintel.dev/entity/141dcdec-c2b7-5ef5-8128-dad75b2a4818 · Structured JSON: https://whiteintel.dev/api/public/dossier/141dcdec-c2b7-5ef5-8128-dad75b2a4818._

_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"._