---
title: "RUCKELSHAUS JILL S — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e270c403-db71-5f12-84ad-85fcc50f5c8d
json: https://whiteintel.dev/api/public/dossier/e270c403-db71-5f12-84ad-85fcc50f5c8d
identifier: sec:0001228938
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RUCKELSHAUS JILL S

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001228938`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e270c403-db71-5f12-84ad-85fcc50f5c8d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e270c403-db71-5f12-84ad-85fcc50f5c8d  

## Ownership & control

### Holdings / subsidiaries

- **LINCOLN NATIONAL CORP** (director) — https://whiteintel.dev/entity/4041e920-3f07-57e3-bfef-68dd32bd3ab2
- **COSTCO WHOLESALE CORP /NEW** (director) — https://whiteintel.dev/entity/bb0b5284-2f1b-5726-a5f4-5d0be1e54c02
- **COSTCO WHOLESALE CORP /NEW** (other) — https://whiteintel.dev/entity/bb0b5284-2f1b-5726-a5f4-5d0be1e54c02

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RUCKELSHAUS JILL S**. Human view: https://whiteintel.dev/entity/e270c403-db71-5f12-84ad-85fcc50f5c8d · Structured JSON: https://whiteintel.dev/api/public/dossier/e270c403-db71-5f12-84ad-85fcc50f5c8d._

_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"._