---
title: "ONEX CAPITAL SOLUTIONS GP, LLC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3191dc30-711a-53b9-9b1b-3cb9d7c19e8d
json: https://whiteintel.dev/api/public/dossier/3191dc30-711a-53b9-9b1b-3cb9d7c19e8d
identifier: sec:0001982760
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ONEX CAPITAL SOLUTIONS GP, LLC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001982760`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3191dc30-711a-53b9-9b1b-3cb9d7c19e8d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3191dc30-711a-53b9-9b1b-3cb9d7c19e8d  

## Ownership & control

### Holdings / subsidiaries

- **ATI Physical Therapy, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/b87f1a54-bdad-5d00-b165-d0d38aea56fb

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ONEX CAPITAL SOLUTIONS GP, LLC**. Human view: https://whiteintel.dev/entity/3191dc30-711a-53b9-9b1b-3cb9d7c19e8d · Structured JSON: https://whiteintel.dev/api/public/dossier/3191dc30-711a-53b9-9b1b-3cb9d7c19e8d._

_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"._