---
title: "MCMAHON SEAMUS — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4e20fbb7-84d6-5db6-90e9-3535b487f3f3
json: https://whiteintel.dev/api/public/dossier/4e20fbb7-84d6-5db6-90e9-3535b487f3f3
identifier: sec:0001299326
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MCMAHON SEAMUS

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001299326`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4e20fbb7-84d6-5db6-90e9-3535b487f3f3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4e20fbb7-84d6-5db6-90e9-3535b487f3f3  

## Ownership & control

### Holdings / subsidiaries

- **HSBC USA INC /MD/** (officer) — https://whiteintel.dev/entity/c85c7113-f843-5f44-bff8-b8ee015f5238

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MCMAHON SEAMUS**. Human view: https://whiteintel.dev/entity/4e20fbb7-84d6-5db6-90e9-3535b487f3f3 · Structured JSON: https://whiteintel.dev/api/public/dossier/4e20fbb7-84d6-5db6-90e9-3535b487f3f3._

_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"._