---
title: "MY12 Birchwood SAC B Holdco Ltd. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a5f8708b-bb7e-5a8b-bbec-fb033bcb4c21
json: https://whiteintel.dev/api/public/dossier/a5f8708b-bb7e-5a8b-bbec-fb033bcb4c21
identifier: icij:icijol-82019782
jurisdiction: BM
risk: High
source: WhiteIntel corporate-ownership graph
---

# MY12 Birchwood SAC B Holdco Ltd.

**Type:** Company  
**Jurisdiction:** BM  
**Identifier:** `icij:icijol-82019782`  
**Risk level:** High  
**Canonical dossier:** https://whiteintel.dev/entity/a5f8708b-bb7e-5a8b-bbec-fb033bcb4c21  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a5f8708b-bb7e-5a8b-bbec-fb033bcb4c21  

## Ownership & control

### Owners / controllers

- **Aeolus Capital Management Ltd.** (shareholder of) — https://whiteintel.dev/entity/c0a44895-7bdb-5264-a7d9-84b7b9bdebdd
- **Aeolus Property Catastrophe Fund I LP** (shareholder of) — https://whiteintel.dev/entity/e91b2df4-d474-5175-9bd6-a2277908afbe

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

A **19-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.

## Exposure (derived from the ownership graph)

**14** owners upstream in this entity's ownership/control chain are flagged — a sanctions hit or a secrecy jurisdiction — an investigative lead by resolved identity, not a legal determination. The contributing parties and the hop-by-hop path unlock with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/82019782

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MY12 Birchwood SAC B Holdco Ltd.**. Human view: https://whiteintel.dev/entity/a5f8708b-bb7e-5a8b-bbec-fb033bcb4c21 · Structured JSON: https://whiteintel.dev/api/public/dossier/a5f8708b-bb7e-5a8b-bbec-fb033bcb4c21._

_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"._