---
title: "Quanex Building Products CORP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/6a36fe3e-5256-55f2-90a7-3d971dbebe3d
json: https://whiteintel.dev/api/public/dossier/6a36fe3e-5256-55f2-90a7-3d971dbebe3d
identifier: sec:0001423221
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Quanex Building Products CORP

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001423221`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/6a36fe3e-5256-55f2-90a7-3d971dbebe3d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/6a36fe3e-5256-55f2-90a7-3d971dbebe3d  

## Ownership & control

### Owners / controllers

- **TELEIOS CAPITAL PARTNERS GMBH** (tenpercentowner) — https://whiteintel.dev/entity/42e9e6d2-7247-581a-a662-3b632b1ae781
- **KUZNIAR IGOR TADEUSZ** (tenpercentowner) — https://whiteintel.dev/entity/605cb546-78cc-5399-a1c7-450d6f2e1d7e
- **TELEIOS GLOBAL OPPORTUNITIES MASTER FUND LTD.** (tenpercentowner) — https://whiteintel.dev/entity/665f6284-b12e-50f6-abdc-40bf808cb176
- **QUANEX BUILDING PRODUCTS LLC** (tenpercentowner) — https://whiteintel.dev/entity/46f163c8-ff5d-5070-a0fd-915d730357b2

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

A **51-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.

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **Quanex Building Products CORP** — https://whiteintel.dev/entity/6a36fe3e-5256-55f2-90a7-3d971dbebe3d · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Quanex Building Products CORP**. Human view: https://whiteintel.dev/entity/6a36fe3e-5256-55f2-90a7-3d971dbebe3d · Structured JSON: https://whiteintel.dev/api/public/dossier/6a36fe3e-5256-55f2-90a7-3d971dbebe3d._

_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"._