---
title: "FISCHER STEFAN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/391c3eca-488c-569c-92fb-bac3a73336d3
json: https://whiteintel.dev/api/public/dossier/391c3eca-488c-569c-92fb-bac3a73336d3
identifier: sec:0001398596
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# FISCHER STEFAN

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001398596`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/391c3eca-488c-569c-92fb-bac3a73336d3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/391c3eca-488c-569c-92fb-bac3a73336d3  

## Ownership & control

### Holdings / subsidiaries

- **ACER THERAPEUTICS INC.** (tenpercentowner) — https://whiteintel.dev/entity/1a1d2350-bf70-5387-8e49-f913bf3daaef
- **Protara Therapeutics, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/d54e2413-cebc-5e01-bc86-3b7d84bd9785
- **CONCERT PHARMACEUTICALS INC** (tenpercentowner) — https://whiteintel.dev/entity/3e2da9ca-0d84-5cb7-9b84-e4195d1748f4
- **ARGOS THERAPEUTICS INC** (tenpercentowner) — https://whiteintel.dev/entity/7ef46358-211a-5f42-9bad-b6fd2c35e761
- **ENANTA PHARMACEUTICALS INC** (tenpercentowner) — https://whiteintel.dev/entity/13fe2bbe-b4da-5215-a6c9-4a5b30cfece5
- **bluebird bio, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/2368d4d2-afa3-5231-9caf-a54123271869

## 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 **FISCHER STEFAN** — https://whiteintel.dev/entity/391c3eca-488c-569c-92fb-bac3a73336d3 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **FISCHER STEFAN**. Human view: https://whiteintel.dev/entity/391c3eca-488c-569c-92fb-bac3a73336d3 · Structured JSON: https://whiteintel.dev/api/public/dossier/391c3eca-488c-569c-92fb-bac3a73336d3._

_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"._