---
title: "GUINAN MARK — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a07747ef-8952-5603-b406-b7eb85ff6a8a
json: https://whiteintel.dev/api/public/dossier/a07747ef-8952-5603-b406-b7eb85ff6a8a
identifier: sec:0001505998
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GUINAN MARK

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001505998`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a07747ef-8952-5603-b406-b7eb85ff6a8a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a07747ef-8952-5603-b406-b7eb85ff6a8a  

## Ownership & control

### Holdings / subsidiaries

- **GIGCAPITAL2, INC.** (director) — https://whiteintel.dev/entity/747d9927-6649-5a4d-8eae-0c8910f66c18
- **MYOVANT SCIENCES LTD.** (director) — https://whiteintel.dev/entity/2dddc89f-1bb7-51f0-a601-6d212dd476de
- **QUEST DIAGNOSTICS INC** (officer) — https://whiteintel.dev/entity/f00476bd-1dbe-5bbc-833a-2b80cee8d609
- **HILL-ROM HOLDINGS, INC.** (officer) — https://whiteintel.dev/entity/683f79a2-fe95-507b-bb2f-268fc76aef10

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GUINAN MARK**. Human view: https://whiteintel.dev/entity/a07747ef-8952-5603-b406-b7eb85ff6a8a · Structured JSON: https://whiteintel.dev/api/public/dossier/a07747ef-8952-5603-b406-b7eb85ff6a8a._

_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"._