---
title: "MBX Biosciences, Inc. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/6af50270-7dd4-5262-8756-e6fc9afb96e3
json: https://whiteintel.dev/api/public/dossier/6af50270-7dd4-5262-8756-e6fc9afb96e3
identifier: sec:0001776111
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# MBX Biosciences, Inc.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001776111`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/6af50270-7dd4-5262-8756-e6fc9afb96e3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/6af50270-7dd4-5262-8756-e6fc9afb96e3  

## Ownership & control

### Owners / controllers

- **GORDON CARL L** (10% owner) — https://whiteintel.dev/entity/f66dc571-93f9-5939-b406-a01b6c73b2c8
- **OrbiMed Genesis GP LLC** (10% owner) — https://whiteintel.dev/entity/05bd049a-9f07-53d5-9f57-bfabd4d7e13a
- **ORBIMED ADVISORS LLC** (10% owner) — https://whiteintel.dev/entity/4fe8d3ec-3487-5b04-877d-c8ddaf0718be
- **OrbiMed Capital GP VII LLC** (10% owner) — https://whiteintel.dev/entity/9eda48eb-e9bf-52a5-8464-61da1d263b5d
- **Heron Patrick J** (tenpercentowner) — https://whiteintel.dev/entity/dd84b832-00e7-5b82-a731-49c671fe4068
- **FRAZIER LIFE SCIENCES X, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/7fb1e302-276e-5736-bbf2-f0c3fd564dfd
- **Topper James N** (tenpercentowner) — https://whiteintel.dev/entity/849d011c-8ad7-5b5a-a99e-cfbdbf1b1e09
- **FHMLS X, L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/9f06a282-a10a-5192-bd90-04b2edb3bce5
- **FHMLS X, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/3b18f617-4abb-5fb3-8eba-19e135472210
- **Mathers Edward T** (tenpercentowner) — https://whiteintel.dev/entity/067ee21c-e549-5710-a1a8-e0e0c84cf85e
- **OrbiMed Capital GP VII LLC** (tenpercentowner) — https://whiteintel.dev/entity/9eda48eb-e9bf-52a5-8464-61da1d263b5d
- **GORDON CARL L** (tenpercentowner) — https://whiteintel.dev/entity/f66dc571-93f9-5939-b406-a01b6c73b2c8
- **ORBIMED ADVISORS LLC** (tenpercentowner) — https://whiteintel.dev/entity/4fe8d3ec-3487-5b04-877d-c8ddaf0718be
- **OrbiMed Genesis GP LLC** (tenpercentowner) — https://whiteintel.dev/entity/05bd049a-9f07-53d5-9f57-bfabd4d7e13a
- **YANG RICK** (tenpercentowner) — https://whiteintel.dev/entity/3e722adf-6432-5b4f-bc30-98769ce212b1
- **CHANG CARMEN** (tenpercentowner) — https://whiteintel.dev/entity/699c8ff6-3e09-52f0-8d35-06e358d5fa59
- **Behbahani Ali** (tenpercentowner) — https://whiteintel.dev/entity/4f04f32c-b535-5582-acc0-e593fdc9bdf0
- **WALKER PAUL EDWARD** (tenpercentowner) — https://whiteintel.dev/entity/62aaa76b-f0b8-5133-9c07-f0100c0090c3
- **NEW ENTERPRISE ASSOCIATES 17, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/3f931103-ca5a-5675-87c9-1d7fdc532d02
- **Wellington Biomedical Innovation Master Investors (Cayman) II L.P.** (tenpercentowner) — https://whiteintel.dev/entity/bacf0ebb-906d-54df-8b43-e2e45a68f462
- **NEA 17 GP, LLC** (tenpercentowner) — https://whiteintel.dev/entity/e50a5963-18c2-548b-847f-1934555337aa
- **Makhzoumi Mohamad** (tenpercentowner) — https://whiteintel.dev/entity/3f19d276-e986-51da-a1b9-2b6a3a28ec35
- **SANDELL SCOTT D** (tenpercentowner) — https://whiteintel.dev/entity/f5d27853-015c-5d89-b453-67c52f1385ee
- **NEA PARTNERS 17, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/e1789619-b3d1-5497-a8c6-a4db288b0c30
- **BASKETT FOREST** (tenpercentowner) — https://whiteintel.dev/entity/82f90b88-c233-5f52-bc76-4342aaeed466
- **Florence Anthony A. Jr.** (tenpercentowner) — https://whiteintel.dev/entity/94e349e2-421c-5582-b88d-da2fd26c7769

### UBO chain (walk to the ultimate owner)

A **46-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key 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 **MBX Biosciences, Inc.** — https://whiteintel.dev/entity/6af50270-7dd4-5262-8756-e6fc9afb96e3 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MBX Biosciences, Inc.**. Human view: https://whiteintel.dev/entity/6af50270-7dd4-5262-8756-e6fc9afb96e3 · Structured JSON: https://whiteintel.dev/api/public/dossier/6af50270-7dd4-5262-8756-e6fc9afb96e3._

_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"._