---
title: "GMO Offshore Master Portfolios IV Ltd. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ebcc3e58-6817-5e9d-b7eb-647cc33ccb2b
json: https://whiteintel.dev/api/public/dossier/ebcc3e58-6817-5e9d-b7eb-647cc33ccb2b
identifier: icij:icijol-82005273
jurisdiction: BM
risk: High
source: WhiteIntel corporate-ownership graph
---

# GMO Offshore Master Portfolios IV Ltd.

**Type:** Company  
**Jurisdiction:** BM  
**Identifier:** `icij:icijol-82005273`  
**Risk level:** High  
**Canonical dossier:** https://whiteintel.dev/entity/ebcc3e58-6817-5e9d-b7eb-647cc33ccb2b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ebcc3e58-6817-5e9d-b7eb-647cc33ccb2b  

## Cross-source identity

The same real-world entity, resolved across sources:

- **GMO Offshore Master Portfolios IV Ltd.** — GLEIF · `lei:5493000IMNE8FWFSRS71` — https://whiteintel.dev/entity/8c8872fa-8044-593f-80f2-a7c7a7e82d23

## Ownership & control

### Owners / controllers

- **Grantham Mayo Van Otterloo & Co. LLC** (shareholder of) — https://whiteintel.dev/entity/42cacb24-2928-5278-9098-30f412162ee9

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

A **24-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)

**6** 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/82005273

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GMO Offshore Master Portfolios IV Ltd.**. Human view: https://whiteintel.dev/entity/ebcc3e58-6817-5e9d-b7eb-647cc33ccb2b · Structured JSON: https://whiteintel.dev/api/public/dossier/ebcc3e58-6817-5e9d-b7eb-647cc33ccb2b._

_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"._