---
title: "WINKELRIED JON — Ownership Dossier"
canonical: https://whiteintel.dev/entity/7c7ce6b3-75ce-5322-bb07-0dc1be95f695
json: https://whiteintel.dev/api/public/dossier/7c7ce6b3-75ce-5322-bb07-0dc1be95f695
identifier: sec:0001366946
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# WINKELRIED JON

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001366946`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/7c7ce6b3-75ce-5322-bb07-0dc1be95f695  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/7c7ce6b3-75ce-5322-bb07-0dc1be95f695  

## Ownership & control

### Holdings / subsidiaries

- **Life Time Group Holdings, Inc.** (10% owner) — https://whiteintel.dev/entity/11e9ac5e-eaf4-55a3-ab8d-8a0b9a1a852d
- **TPG Inc.** (10% owner) — https://whiteintel.dev/entity/63684f24-ad80-5892-822c-4e024b34c7c8
- **Sionna Therapeutics, Inc.** (10% owner) — https://whiteintel.dev/entity/36003c1e-2a7d-5ea2-a95f-e01c345a874c
- **Sionna Therapeutics, Inc.** (10% owner) — https://whiteintel.dev/entity/36003c1e-2a7d-5ea2-a95f-e01c345a874c
- **TPG Inc.** (10% owner) — https://whiteintel.dev/entity/63684f24-ad80-5892-822c-4e024b34c7c8
- **ACHIEVE LIFE SCIENCES, INC.** (tenpercentowner) — https://whiteintel.dev/entity/0c7f18fd-ef3a-5985-948c-67e64ddc5e27
- **ODYSSEY THERAPEUTICS, INC.** (other) — https://whiteintel.dev/entity/cc7e6f76-db0c-5ee5-ad57-62aede674992
- **CERIBELL, INC.** (other) — https://whiteintel.dev/entity/4dc86a57-4360-56cb-943c-cd5bc1db7f50
- **ODYSSEY THERAPEUTICS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/cc7e6f76-db0c-5ee5-ad57-62aede674992
- **LifeStance Health Group, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/c0cd6632-e563-5907-bb73-c26485b84705
- **TPG Inc.** (tenpercentowner) — https://whiteintel.dev/entity/63684f24-ad80-5892-822c-4e024b34c7c8
- **Sionna Therapeutics, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/36003c1e-2a7d-5ea2-a95f-e01c345a874c

…and **42** more subsidiaries/holdings. Resolve the full list with `get_dossier` on the WhiteIntel MCP (`npx -y @whiteintel/mcp-server`) or a one-off dossier — https://whiteintel.dev/pricing.

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **WINKELRIED JON** — https://whiteintel.dev/entity/7c7ce6b3-75ce-5322-bb07-0dc1be95f695 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **WINKELRIED JON**. Human view: https://whiteintel.dev/entity/7c7ce6b3-75ce-5322-bb07-0dc1be95f695 · Structured JSON: https://whiteintel.dev/api/public/dossier/7c7ce6b3-75ce-5322-bb07-0dc1be95f695._

_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"._