---
title: "BERKLEY W R CORP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/848f6401-2e7a-554b-b8b3-9eed8a24abfa
json: https://whiteintel.dev/api/public/dossier/848f6401-2e7a-554b-b8b3-9eed8a24abfa
identifier: sec:0000011544
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BERKLEY W R CORP

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000011544`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/848f6401-2e7a-554b-b8b3-9eed8a24abfa  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/848f6401-2e7a-554b-b8b3-9eed8a24abfa  

## Ownership & control

### Owners / controllers

- **BERKLEY WILLIAM R** (tenpercentowner) — https://whiteintel.dev/entity/b0e6b4c4-c294-556e-ad9f-8dfa2b59d985
- **MITSUI SUMITOMO INSURANCE CO LTD** (tenpercentowner) — https://whiteintel.dev/entity/c0cf755b-a38b-519b-97b6-d3596cc04815
- **MITSUI SUMITOMO INSURANCE GROUP HOLDINGS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/bf3de048-7633-5046-babb-b58aadf4455e

### Holdings / subsidiaries

- **HEALTHEQUITY, INC.** (other) — https://whiteintel.dev/entity/0b4f353e-abfc-5456-a573-b7872f74a558
- **HEALTHEQUITY, INC.** (tenpercentowner) — https://whiteintel.dev/entity/0b4f353e-abfc-5456-a573-b7872f74a558
- **BLACKSTONE MORTGAGE TRUST, INC.** (tenpercentowner) — https://whiteintel.dev/entity/194e999a-ec2a-5030-a4d2-414e6b1e2f50

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

A **44-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 **BERKLEY W R CORP** — https://whiteintel.dev/entity/848f6401-2e7a-554b-b8b3-9eed8a24abfa · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BERKLEY W R CORP**. Human view: https://whiteintel.dev/entity/848f6401-2e7a-554b-b8b3-9eed8a24abfa · Structured JSON: https://whiteintel.dev/api/public/dossier/848f6401-2e7a-554b-b8b3-9eed8a24abfa._

_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"._