---
title: "Hamilton Insurance Group, Ltd. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/1a1139ce-c16c-5366-8305-c86671184005
json: https://whiteintel.dev/api/public/dossier/1a1139ce-c16c-5366-8305-c86671184005
identifier: sec:0001593275
jurisdiction: US
risk: High
source: WhiteIntel corporate-ownership graph
---

# Hamilton Insurance Group, Ltd.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001593275`  
**Risk level:** High  
**Canonical dossier:** https://whiteintel.dev/entity/1a1139ce-c16c-5366-8305-c86671184005  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/1a1139ce-c16c-5366-8305-c86671184005  

## Ownership & control

### Owners / controllers

- **SCHWARZMAN STEPHEN A** (tenpercentowner) — https://whiteintel.dev/entity/c4e8979e-462a-5a14-b156-c21c05e52084
- **Blackstone Holdings I/II GP L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/bbef6002-bf77-5702-9876-8590e0b21bf4
- **MAGNITUDE MASTER FUND** (tenpercentowner) — https://whiteintel.dev/entity/d25bfd98-bd9d-5450-80b2-0b4b0d978bdf
- **Blackstone Holdings I L.P.** (tenpercentowner) — https://whiteintel.dev/entity/1d582a2e-ad67-57de-96bc-19b58070f102
- **BLACKSTONE ALTERNATIVE SOLUTIONS L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/b23e7686-6231-5704-914a-da9caf3caa66
- **Blackstone Inc.** (tenpercentowner) — https://whiteintel.dev/entity/5ff5c874-40c8-5f5a-85f3-ba846f91fd02
- **BLACKSTONE HOLDINGS II L.P.** (tenpercentowner) — https://whiteintel.dev/entity/26bfae43-52a6-5b08-9aab-f763c6e7d7c9
- **APPEN BENJAMIN S** (tenpercentowner) — https://whiteintel.dev/entity/8552f7f6-bcff-5010-86f9-5402543645a2
- **Blackstone Group Management L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/cbc276a8-e8cb-586d-93a2-a20897a0fd02
- **BLACKSTONE STRATEGIC OPPORTUNITY ASSOCIATES L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/59c107c2-eb6f-55ff-b3e1-41e140a29731
- **MAGNITUDE CAPITAL, LLC** (tenpercentowner) — https://whiteintel.dev/entity/43dc4b3e-0835-5651-8442-b24ceb082f04
- **BSOF MASTER FUND L.P.** (tenpercentowner) — https://whiteintel.dev/entity/9cae25fe-d15b-5591-849b-b9b0fde7dbb8
- **MAGNITUDE PARTNERS MASTER FUND, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/b7b980f2-02bf-564b-a662-a491ccabbd4d
- **HALL JAMES MICHAEL** (tenpercentowner) — https://whiteintel.dev/entity/788eec79-54c1-5ddc-ba36-47e29a444bf0
- **MAGNITUDE INSTITUTIONAL LTD** (tenpercentowner) — https://whiteintel.dev/entity/467ae4c1-8f24-5f58-8105-2a284fb78c86
- **MAGNITUDE INSURANCE MASTER FUND, LLC** (tenpercentowner) — https://whiteintel.dev/entity/53e46026-c692-5c98-82b9-ef3df0bd3a15
- **BSOF MASTER FUND II L.P.** (tenpercentowner) — https://whiteintel.dev/entity/145cc924-56fb-5a1e-9a33-ff090a924def
- **SIEGEL DAVID MARK** (tenpercentowner) — https://whiteintel.dev/entity/f35d702e-e4e0-5acc-b2bc-83b431cb82cd
- **TWO SIGMA MANAGEMENT, LLC** (tenpercentowner) — https://whiteintel.dev/entity/187d5dea-f58b-598a-9fc3-15e74700e13a
- **HAMILTON INVESTMENTS, LP** (tenpercentowner) — https://whiteintel.dev/entity/a110d386-91bf-5459-9903-72c95e731181
- **OVERDECK JOHN ALBERT** (tenpercentowner) — https://whiteintel.dev/entity/8f2caf97-cf26-50a0-9ec5-4d8ff4a1230f
- **TWO SIGMA INVESTMENTS LLC** (tenpercentowner) — https://whiteintel.dev/entity/fd55fdfb-e5fb-5675-999e-fd8bafaccda2

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

A **375-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 **Hamilton Insurance Group, Ltd.** — https://whiteintel.dev/entity/1a1139ce-c16c-5366-8305-c86671184005 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Hamilton Insurance Group, Ltd.**. Human view: https://whiteintel.dev/entity/1a1139ce-c16c-5366-8305-c86671184005 · Structured JSON: https://whiteintel.dev/api/public/dossier/1a1139ce-c16c-5366-8305-c86671184005._

_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"._