---
title: "PORTA SYSTEMS CORP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b03ea844-c8a0-5355-a2ac-4c642dccfc95
json: https://whiteintel.dev/api/public/dossier/b03ea844-c8a0-5355-a2ac-4c642dccfc95
identifier: sec:0000079564
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# PORTA SYSTEMS CORP

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000079564`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b03ea844-c8a0-5355-a2ac-4c642dccfc95  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b03ea844-c8a0-5355-a2ac-4c642dccfc95  

## Ownership & control

### Owners / controllers

- **CHEYNE GENERAL PARTNER INC** (tenpercentowner) — https://whiteintel.dev/entity/3b9259fe-4695-5ffe-9464-8c61dac280ec
- **CHEYNE CAPITAL MANAGEMENT (UK) LLP** (tenpercentowner) — https://whiteintel.dev/entity/eda61ac7-9ce2-5196-a1ac-a3dbdc018706

### UBO chain (walk to the ultimate owner)

A **11-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **PORTA SYSTEMS CORP**. Human view: https://whiteintel.dev/entity/b03ea844-c8a0-5355-a2ac-4c642dccfc95 · Structured JSON: https://whiteintel.dev/api/public/dossier/b03ea844-c8a0-5355-a2ac-4c642dccfc95._

_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"._