---
title: "IONIS PHARMACEUTICALS INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ca01921d-7710-547a-8e44-4967bf23f7aa
json: https://whiteintel.dev/api/public/dossier/ca01921d-7710-547a-8e44-4967bf23f7aa
identifier: sec:0000874015
jurisdiction: US
risk: High
source: WhiteIntel corporate-ownership graph
---

# IONIS PHARMACEUTICALS INC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000874015`  
**Risk level:** High  
**Canonical dossier:** https://whiteintel.dev/entity/ca01921d-7710-547a-8e44-4967bf23f7aa  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ca01921d-7710-547a-8e44-4967bf23f7aa  

## Ownership & control

### Holdings / subsidiaries

- **AKCEA THERAPEUTICS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/351e99d5-19de-53fa-84cd-d9883bafc8a3
- **Regulus Therapeutics Inc.** (tenpercentowner) — https://whiteintel.dev/entity/4fb1e8db-c587-5dce-8215-4c53445c8050
- **Regulus Therapeutics Inc.** (director) — https://whiteintel.dev/entity/4fb1e8db-c587-5dce-8215-4c53445c8050

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

A **83-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 **IONIS PHARMACEUTICALS INC** — https://whiteintel.dev/entity/ca01921d-7710-547a-8e44-4967bf23f7aa · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **IONIS PHARMACEUTICALS INC**. Human view: https://whiteintel.dev/entity/ca01921d-7710-547a-8e44-4967bf23f7aa · Structured JSON: https://whiteintel.dev/api/public/dossier/ca01921d-7710-547a-8e44-4967bf23f7aa._

_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"._