---
title: "WINKELMAN MARIUS O — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b1bb205f-4f8c-5c3f-915a-0b445a71cebd
json: https://whiteintel.dev/api/public/dossier/b1bb205f-4f8c-5c3f-915a-0b445a71cebd
identifier: sec:0001627431
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# WINKELMAN MARIUS O

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001627431`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b1bb205f-4f8c-5c3f-915a-0b445a71cebd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b1bb205f-4f8c-5c3f-915a-0b445a71cebd  

## Ownership & control

### Holdings / subsidiaries

- **GOLDMAN SACHS GROUP INC** (director) — https://whiteintel.dev/entity/10616dd0-5b35-5485-a921-1410ec73e40a

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **WINKELMAN MARIUS O**. Human view: https://whiteintel.dev/entity/b1bb205f-4f8c-5c3f-915a-0b445a71cebd · Structured JSON: https://whiteintel.dev/api/public/dossier/b1bb205f-4f8c-5c3f-915a-0b445a71cebd._

_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"._