---
title: "KEMPNER JAMES C — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4421172f-8fde-5cb5-bfc7-a0448687aaef
json: https://whiteintel.dev/api/public/dossier/4421172f-8fde-5cb5-bfc7-a0448687aaef
identifier: sec:0001356266
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KEMPNER JAMES C

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001356266`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4421172f-8fde-5cb5-bfc7-a0448687aaef  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4421172f-8fde-5cb5-bfc7-a0448687aaef  

## Ownership & control

### Holdings / subsidiaries

- **MAGELLAN MIDSTREAM HOLDINGS LP** (director) — https://whiteintel.dev/entity/c9f29f7b-6028-5a3c-a87b-b7deca7a9618
- **MAGELLAN MIDSTREAM PARTNERS LP** (director) — https://whiteintel.dev/entity/d86d81ec-b19d-5104-b087-ddfc7fce5183

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KEMPNER JAMES C**. Human view: https://whiteintel.dev/entity/4421172f-8fde-5cb5-bfc7-a0448687aaef · Structured JSON: https://whiteintel.dev/api/public/dossier/4421172f-8fde-5cb5-bfc7-a0448687aaef._

_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"._