---
title: "IMMUNOGEN INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/cb1098c2-089b-52bd-b7ac-5895da43ec52
json: https://whiteintel.dev/api/public/dossier/cb1098c2-089b-52bd-b7ac-5895da43ec52
identifier: sec:0000855654
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# IMMUNOGEN INC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000855654`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/cb1098c2-089b-52bd-b7ac-5895da43ec52  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/cb1098c2-089b-52bd-b7ac-5895da43ec52  

## Ownership & control

### Owners / controllers

- **KORSANT PHILIP B** (tenpercentowner) — https://whiteintel.dev/entity/87585059-7f8c-557b-90e6-db1c99cfa9cf
- **SAMANA CAPITAL, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/3023596d-b794-5c28-8d5f-36d573f178fc
- **MORTON HOLDINGS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/2c8305ea-a7cc-5dbb-a803-489abfd4460a
- **ZBI EQUITIES, L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/96af9898-838a-5a5a-a752-431eaa4957dc

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

A **54-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 **IMMUNOGEN INC** — https://whiteintel.dev/entity/cb1098c2-089b-52bd-b7ac-5895da43ec52 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **IMMUNOGEN INC**. Human view: https://whiteintel.dev/entity/cb1098c2-089b-52bd-b7ac-5895da43ec52 · Structured JSON: https://whiteintel.dev/api/public/dossier/cb1098c2-089b-52bd-b7ac-5895da43ec52._

_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"._