---
title: "RADISYS CORP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2d0a815f-c178-5822-a4b2-10ed1086c807
json: https://whiteintel.dev/api/public/dossier/2d0a815f-c178-5822-a4b2-10ed1086c807
identifier: sec:0000873044
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RADISYS CORP

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000873044`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2d0a815f-c178-5822-a4b2-10ed1086c807  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2d0a815f-c178-5822-a4b2-10ed1086c807  

## Ownership & control

### Owners / controllers

- **Nierenberg David** (tenpercentowner) — https://whiteintel.dev/entity/cb0498d4-a87b-5cdb-884a-1f983bb357d9
- **D3 OFFSHORE FUND LP** (tenpercentowner) — https://whiteintel.dev/entity/f188cb99-53d3-5018-bd0f-0f6a759f5cc6
- **Nierenberg Investment Management Company, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/242b71ce-ace9-55ee-a542-bd44f9cd53a8
- **NIERENBERG INVESTMENT MANAGEMENT OFFSHORE INC** (tenpercentowner) — https://whiteintel.dev/entity/d316e37f-5fa8-53e7-b784-94f0be4f7021
- **D3 FAMILY CANADIAN FUND, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/ebc39ee9-b34a-5d45-b2a9-f47670b24318
- **D3 FAMILY FUND LP** (tenpercentowner) — https://whiteintel.dev/entity/fbfcaa81-b852-5a2e-bfd0-f53f7853c5aa
- **D3 FAMILY BULLDOG FUND LP** (tenpercentowner) — https://whiteintel.dev/entity/d1946d17-365c-5712-af4f-375f8e7703ed
- **HOOPER HENRY E** (tenpercentowner) — https://whiteintel.dev/entity/a2e3ffec-3d9e-5350-83cf-3318f991f6d8
- **DENVER CARA** (tenpercentowner) — https://whiteintel.dev/entity/9ad0b5c5-3b4b-5ac3-93bf-c0ec39052694
- **JUVONEN RONALD** (tenpercentowner) — https://whiteintel.dev/entity/fe42e102-a6ea-5a90-b459-8f6b259542c3

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

A **44-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 **RADISYS CORP** — https://whiteintel.dev/entity/2d0a815f-c178-5822-a4b2-10ed1086c807 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RADISYS CORP**. Human view: https://whiteintel.dev/entity/2d0a815f-c178-5822-a4b2-10ed1086c807 · Structured JSON: https://whiteintel.dev/api/public/dossier/2d0a815f-c178-5822-a4b2-10ed1086c807._

_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"._