---
title: "JEFFERIES JOHN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c389fcc7-e66f-51ff-b286-2a273edd0a1e
json: https://whiteintel.dev/api/public/dossier/c389fcc7-e66f-51ff-b286-2a273edd0a1e
identifier: sec:0002086843
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# JEFFERIES JOHN

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0002086843`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c389fcc7-e66f-51ff-b286-2a273edd0a1e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c389fcc7-e66f-51ff-b286-2a273edd0a1e  

## Ownership & control

### Holdings / subsidiaries

- **DAXOR CORP** (officer) — https://whiteintel.dev/entity/3a54937e-3fae-51b1-be57-cc5f175abef7

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **JEFFERIES JOHN**. Human view: https://whiteintel.dev/entity/c389fcc7-e66f-51ff-b286-2a273edd0a1e · Structured JSON: https://whiteintel.dev/api/public/dossier/c389fcc7-e66f-51ff-b286-2a273edd0a1e._

_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"._