---
title: "SOUTHEASTERN ASSET MANAGEMENT INC/TN/ — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ba2449ba-d45b-5689-b8d8-adca1a56237a
json: https://whiteintel.dev/api/public/dossier/ba2449ba-d45b-5689-b8d8-adca1a56237a
identifier: sec:0000807985
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SOUTHEASTERN ASSET MANAGEMENT INC/TN/

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000807985`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ba2449ba-d45b-5689-b8d8-adca1a56237a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ba2449ba-d45b-5689-b8d8-adca1a56237a  

## Ownership & control

### Holdings / subsidiaries

- **Summit Materials, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/fafa9fee-5772-506b-a9d8-d6555f574f38
- **SONIC CORP** (tenpercentowner) — https://whiteintel.dev/entity/2f3a003c-43a5-5adf-a772-20cc64f23cd8
- **DELTIC TIMBER CORP** (tenpercentowner) — https://whiteintel.dev/entity/2c576dee-e118-56ce-951c-d6fc62d3133e
- **CNX Resources Corp** (tenpercentowner) — https://whiteintel.dev/entity/4e1aa7f4-fa97-591e-aa5f-d7635537432f
- **DELL COMPUTER CORP** (other) — https://whiteintel.dev/entity/ea0cdd19-dbc1-5262-941c-dd078fcb1abf
- **EXPAND ENERGY Corp** (tenpercentowner) — https://whiteintel.dev/entity/4a057b6f-c658-524b-a95e-b4cf5fc542f6
- **MARTIN MARIETTA MATERIALS INC** (tenpercentowner) — https://whiteintel.dev/entity/85a522af-98e3-58dd-9477-088f3dd7f30e
- **TEXAS INDUSTRIES INC** (tenpercentowner) — https://whiteintel.dev/entity/08241dee-a1c5-5a93-ae81-4b278bd7682a

## 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 **SOUTHEASTERN ASSET MANAGEMENT INC/TN/** — https://whiteintel.dev/entity/ba2449ba-d45b-5689-b8d8-adca1a56237a · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SOUTHEASTERN ASSET MANAGEMENT INC/TN/**. Human view: https://whiteintel.dev/entity/ba2449ba-d45b-5689-b8d8-adca1a56237a · Structured JSON: https://whiteintel.dev/api/public/dossier/ba2449ba-d45b-5689-b8d8-adca1a56237a._

_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"._