---
title: "BRENNER KAREN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/227ca640-a085-5082-a201-e38db74e649c
json: https://whiteintel.dev/api/public/dossier/227ca640-a085-5082-a201-e38db74e649c
identifier: sec:0001187615
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BRENNER KAREN

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001187615`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/227ca640-a085-5082-a201-e38db74e649c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/227ca640-a085-5082-a201-e38db74e649c  

## Ownership & control

### Holdings / subsidiaries

- **ALLEGHANY CORP /DE** (director) — https://whiteintel.dev/entity/2b593192-2c15-556d-af3b-e10e33a78ca1

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BRENNER KAREN**. Human view: https://whiteintel.dev/entity/227ca640-a085-5082-a201-e38db74e649c · Structured JSON: https://whiteintel.dev/api/public/dossier/227ca640-a085-5082-a201-e38db74e649c._

_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"._