---
title: "QUADRANGLE GP INVESTORS LP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f69b161a-e30c-56cb-b508-ed1d47ad789c
json: https://whiteintel.dev/api/public/dossier/f69b161a-e30c-56cb-b508-ed1d47ad789c
identifier: sec:0001271784
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# QUADRANGLE GP INVESTORS LP

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001271784`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f69b161a-e30c-56cb-b508-ed1d47ad789c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f69b161a-e30c-56cb-b508-ed1d47ad789c  

## Ownership & control

### Holdings / subsidiaries

- **NTELOS HOLDINGS CORP** (tenpercentowner) — https://whiteintel.dev/entity/c3ddfe7e-f845-5c75-b7d1-5d9ebd7bbd89
- **LUMOS NETWORKS CORP.** (tenpercentowner) — https://whiteintel.dev/entity/06dd1d41-d277-5714-a1d6-eeb581d9fdc3
- **PROTECTION ONE INC** (tenpercentowner) — https://whiteintel.dev/entity/5809be24-2b77-5a0a-a527-015d281a6215

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **QUADRANGLE GP INVESTORS LP**. Human view: https://whiteintel.dev/entity/f69b161a-e30c-56cb-b508-ed1d47ad789c · Structured JSON: https://whiteintel.dev/api/public/dossier/f69b161a-e30c-56cb-b508-ed1d47ad789c._

_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"._