---
title: "QUARTET MERGER CORP. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4880ca08-625f-5e39-af29-84b3b7a0febc
json: https://whiteintel.dev/api/public/dossier/4880ca08-625f-5e39-af29-84b3b7a0febc
identifier: sec:0001581889
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# QUARTET MERGER CORP.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001581889`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4880ca08-625f-5e39-af29-84b3b7a0febc  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4880ca08-625f-5e39-af29-84b3b7a0febc  

## Ownership & control

### Owners / controllers

- **Polar Asset Management Partners Inc.** (tenpercentowner) — https://whiteintel.dev/entity/546e2d54-998a-5913-984a-2a2329b5d083
- **NORTH POLE CAPITAL MASTER FUND** (tenpercentowner) — https://whiteintel.dev/entity/69bbd3f3-f041-50c0-81cc-241e1beedf66

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

A **9-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 **QUARTET MERGER CORP.**. Human view: https://whiteintel.dev/entity/4880ca08-625f-5e39-af29-84b3b7a0febc · Structured JSON: https://whiteintel.dev/api/public/dossier/4880ca08-625f-5e39-af29-84b3b7a0febc._

_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"._