---
title: "NEWHOUSE STEPHAN F — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a7600d75-b60c-57f6-a951-559f07bb2375
json: https://whiteintel.dev/api/public/dossier/a7600d75-b60c-57f6-a951-559f07bb2375
identifier: sec:0001185272
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# NEWHOUSE STEPHAN F

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001185272`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a7600d75-b60c-57f6-a951-559f07bb2375  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a7600d75-b60c-57f6-a951-559f07bb2375  

## Ownership & control

### Holdings / subsidiaries

- **ALTERRA CAPITAL HOLDINGS LTD** (director) — https://whiteintel.dev/entity/2aa17d2c-9bb1-50a4-a332-9254153b2d9c

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **NEWHOUSE STEPHAN F**. Human view: https://whiteintel.dev/entity/a7600d75-b60c-57f6-a951-559f07bb2375 · Structured JSON: https://whiteintel.dev/api/public/dossier/a7600d75-b60c-57f6-a951-559f07bb2375._

_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"._