---
title: "StoneX Group Inc. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3036cdd8-7ce5-5ba1-a3bd-be9a3333a71f
json: https://whiteintel.dev/api/public/dossier/3036cdd8-7ce5-5ba1-a3bd-be9a3333a71f
identifier: sec:0000913760
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# StoneX Group Inc.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000913760`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/3036cdd8-7ce5-5ba1-a3bd-be9a3333a71f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3036cdd8-7ce5-5ba1-a3bd-be9a3333a71f  

## Ownership & control

### Owners / controllers

- **Jefferies Financial Group Inc.** (tenpercentowner) — https://whiteintel.dev/entity/41bfc092-097e-533b-8bc3-b2035c74743d
- **OCONNOR SEAN MICHAEL** (tenpercentowner) — https://whiteintel.dev/entity/84cd029f-a19c-57d7-8377-693e96aac979
- **BRANCH SCOTT J** (tenpercentowner) — https://whiteintel.dev/entity/5ad47514-6f62-564b-a396-7f53a6801d78
- **RADZIWILL JOHN** (tenpercentowner) — https://whiteintel.dev/entity/1f31c4b6-da65-5545-a18b-1c85350801d2

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

A **177-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 **StoneX Group Inc.** — https://whiteintel.dev/entity/3036cdd8-7ce5-5ba1-a3bd-be9a3333a71f · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **StoneX Group Inc.**. Human view: https://whiteintel.dev/entity/3036cdd8-7ce5-5ba1-a3bd-be9a3333a71f · Structured JSON: https://whiteintel.dev/api/public/dossier/3036cdd8-7ce5-5ba1-a3bd-be9a3333a71f._

_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"._