---
title: "METABASIS THERAPEUTICS INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f302622f-cae7-5570-930c-9aa394a0bdf7
json: https://whiteintel.dev/api/public/dossier/f302622f-cae7-5570-930c-9aa394a0bdf7
identifier: sec:0001053221
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# METABASIS THERAPEUTICS INC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001053221`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f302622f-cae7-5570-930c-9aa394a0bdf7  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f302622f-cae7-5570-930c-9aa394a0bdf7  

## Ownership & control

### Owners / controllers

- **MPM ASSET MANAGEMENT II LP** (tenpercentowner) — https://whiteintel.dev/entity/554ab034-e6a8-5a15-a067-e55ec1e8bd32
- **MPM BIOVENTURES GMBH & CO PARALLEL BETEILIGUNGS KG** (tenpercentowner) — https://whiteintel.dev/entity/5bee7383-9d80-56eb-bad2-94362a5fcf3b
- **WHEELER KURT** (tenpercentowner) — https://whiteintel.dev/entity/433b023a-4de1-5c4a-a8a5-47dd6d34dace
- **MPM BIOVENTURES II QP LP** (tenpercentowner) — https://whiteintel.dev/entity/12f84d94-b692-5cbf-876e-624812c12cbe
- **MPM ASSET MANAGEMENT INVESTORS 2000B LLC** (tenpercentowner) — https://whiteintel.dev/entity/f94d0224-1a21-5ac3-9c86-0a2d2790c2b7
- **GADICKE ANSBERT** (tenpercentowner) — https://whiteintel.dev/entity/3d6fb5d6-4514-5ca9-bf31-0f4073abbd96
- **MPM ASSET MANAGEMENT II LLC** (tenpercentowner) — https://whiteintel.dev/entity/6eefa064-0412-5ead-9656-0ca37ace0342
- **GALAKATOS NICHOLAS** (tenpercentowner) — https://whiteintel.dev/entity/f8b5e14d-e4c2-5521-8a62-36456b1e72ad
- **EVNIN LUKE** (tenpercentowner) — https://whiteintel.dev/entity/e4d341cd-cb07-58bc-8144-c8413904c78b
- **STEINMETZ MICHAEL** (tenpercentowner) — https://whiteintel.dev/entity/c30b57e9-e0a9-5270-8715-4251b813099f
- **MPM BIOVENTURES II LP** (tenpercentowner) — https://whiteintel.dev/entity/002369c4-7ecd-5bca-b22d-46dcdcdbc1c9
- **HOLMES W STEPHEN** (tenpercentowner) — https://whiteintel.dev/entity/67d0dafa-5dab-5e03-906d-39d0b4183e58
- **INTERWEST MANAGEMENT PARTNERS VII LLC** (tenpercentowner) — https://whiteintel.dev/entity/87f001c3-a3a9-50c4-b623-1c8995bf62f1
- **INTERWEST INVESTORS VII, LP** (tenpercentowner) — https://whiteintel.dev/entity/532305dd-16da-5823-a152-63bcfa6dec63
- **GIANOS PHILIP T** (tenpercentowner) — https://whiteintel.dev/entity/eb98413d-1c0d-5214-9229-8ca000e9187a
- **CREDIT SUISSE AG/** (tenpercentowner) — https://whiteintel.dev/entity/e6b56755-829f-5ca3-a526-d88b502d2985
- **HEDRICK W SCOTT** (tenpercentowner) — https://whiteintel.dev/entity/6e228590-6379-58c7-9031-8864854b2f02
- **ORONSKY ARNOLD L** (tenpercentowner) — https://whiteintel.dev/entity/53a8d58e-eed0-5d56-bc5b-05c62711b416
- **INTERWEST PARTNERS VII L P** (tenpercentowner) — https://whiteintel.dev/entity/63aa1e34-1ca9-5bb1-834e-f4f769b27a82
- **KLIMAN GILBERT H** (tenpercentowner) — https://whiteintel.dev/entity/2a3b4f0c-6bd2-5de4-adb9-4ee304dd83cb
- **CASH H BERRY** (tenpercentowner) — https://whiteintel.dev/entity/3e3b0e11-2982-5a50-ab5a-beb2f8ad1722
- **ROSCH THOMAS L** (tenpercentowner) — https://whiteintel.dev/entity/704f05d1-4e3e-52a5-b54c-943b84771a63

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

A **40-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 **METABASIS THERAPEUTICS INC** — https://whiteintel.dev/entity/f302622f-cae7-5570-930c-9aa394a0bdf7 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **METABASIS THERAPEUTICS INC**. Human view: https://whiteintel.dev/entity/f302622f-cae7-5570-930c-9aa394a0bdf7 · Structured JSON: https://whiteintel.dev/api/public/dossier/f302622f-cae7-5570-930c-9aa394a0bdf7._

_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"._