---
title: "Ultragenyx Pharmaceutical Inc. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/7676cfa8-af2d-5710-9e6d-eba8103dad46
json: https://whiteintel.dev/api/public/dossier/7676cfa8-af2d-5710-9e6d-eba8103dad46
identifier: sec:0001515673
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Ultragenyx Pharmaceutical Inc.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001515673`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/7676cfa8-af2d-5710-9e6d-eba8103dad46  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/7676cfa8-af2d-5710-9e6d-eba8103dad46  

## Ownership & control

### Owners / controllers

- **KAKKIS EMIL D** (tenpercentowner) — https://whiteintel.dev/entity/2a240d31-33a3-52ae-8ff9-7e03dfa14ea8
- **BONDERMAN DAVID** (tenpercentowner) — https://whiteintel.dev/entity/13159d62-ea06-582a-b477-564db73fbce3
- **FMR LLC** (tenpercentownerother) — https://whiteintel.dev/entity/10228b52-3a70-5081-82f1-70e198e26fa2
- **TPG GROUP HOLDINGS (SBS) ADVISORS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/be4c9dea-f73b-5cea-b6fb-eca84bc78e44
- **COULTER JAMES G** (tenpercentowner) — https://whiteintel.dev/entity/1c9af5ce-4fa4-5f72-a7b2-3db4087e2cf4

### Holdings / subsidiaries

- **ARCTURUS THERAPEUTICS HOLDINGS INC.** (director) — https://whiteintel.dev/entity/0f573c1c-5d9b-5c72-ba8b-7d2b817de1cc
- **Solid Biosciences Inc.** (tenpercentowner) — https://whiteintel.dev/entity/ac07625b-b2c4-5419-bdba-1401033e4db9
- **ARCTURUS THERAPEUTICS HOLDINGS INC.** (tenpercentowner) — https://whiteintel.dev/entity/0f573c1c-5d9b-5c72-ba8b-7d2b817de1cc

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

A **48-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 **Ultragenyx Pharmaceutical Inc.** — https://whiteintel.dev/entity/7676cfa8-af2d-5710-9e6d-eba8103dad46 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Ultragenyx Pharmaceutical Inc.**. Human view: https://whiteintel.dev/entity/7676cfa8-af2d-5710-9e6d-eba8103dad46 · Structured JSON: https://whiteintel.dev/api/public/dossier/7676cfa8-af2d-5710-9e6d-eba8103dad46._

_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"._