---
title: "WILLIAM & SUSAN OBERNDORF TRUST — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d865f437-e836-59e4-b1bf-d1aed687d98d
json: https://whiteintel.dev/api/public/dossier/d865f437-e836-59e4-b1bf-d1aed687d98d
identifier: sec:0001252467
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# WILLIAM & SUSAN OBERNDORF TRUST

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001252467`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d865f437-e836-59e4-b1bf-d1aed687d98d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d865f437-e836-59e4-b1bf-d1aed687d98d  

## Ownership & control

### Holdings / subsidiaries

- **CABOT CORP** (tenpercentowner) — https://whiteintel.dev/entity/c2737fda-a3d0-5cba-8c4f-63a0af825ad7
- **ADVENT SOFTWARE INC /DE/** (tenpercentowner) — https://whiteintel.dev/entity/bfcac844-2cd8-5c5e-8087-9ef1ef4fe3c4
- **CIMAREX RESOLUTE LLC** (tenpercentowner) — https://whiteintel.dev/entity/00682546-bd19-50d8-8f83-fe433076aa1e
- **Chord Energy Corp** (tenpercentowner) — https://whiteintel.dev/entity/7dd49e1f-3cfe-5cdc-bb03-6d7c6e467185
- **CALPINE CORP** (tenpercentowner) — https://whiteintel.dev/entity/9ba55869-961b-5b6e-9096-df3aeab543f1
- **OPTIMA PETROLEUM CORP** (tenpercentowner) — https://whiteintel.dev/entity/a9372ba9-9a22-56b9-9daf-d9c5f1b29ee5
- **QUICKSILVER RESOURCES INC** (tenpercentowner) — https://whiteintel.dev/entity/b1931c39-f15f-583d-8710-2d6bfc51105c
- **LAMAR ADVERTISING CO/NEW** (tenpercentowner) — https://whiteintel.dev/entity/1c5055f2-e6b6-56ab-8102-113fac3fd4aa
- **CROWN CASTLE INC.** (tenpercentowner) — https://whiteintel.dev/entity/2c69ef6b-bd26-5f6b-9983-4dd2700edd7c

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **WILLIAM & SUSAN OBERNDORF TRUST**. Human view: https://whiteintel.dev/entity/d865f437-e836-59e4-b1bf-d1aed687d98d · Structured JSON: https://whiteintel.dev/api/public/dossier/d865f437-e836-59e4-b1bf-d1aed687d98d._

_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"._