---
title: "STONEBRIDGE 2018, L.P. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/abf66af9-c258-5eb5-abca-e6996369561d
json: https://whiteintel.dev/api/public/dossier/abf66af9-c258-5eb5-abca-e6996369561d
identifier: sec:0001729502
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# STONEBRIDGE 2018, L.P.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001729502`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/abf66af9-c258-5eb5-abca-e6996369561d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/abf66af9-c258-5eb5-abca-e6996369561d  

## Ownership & control

### Holdings / subsidiaries

- **Avantor, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/00478252-0b2e-5d36-b3bf-a6d03d8b6ba9

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **STONEBRIDGE 2018, L.P.**. Human view: https://whiteintel.dev/entity/abf66af9-c258-5eb5-abca-e6996369561d · Structured JSON: https://whiteintel.dev/api/public/dossier/abf66af9-c258-5eb5-abca-e6996369561d._

_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"._