---
title: "ASCENDANT MDX, INC. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a53707ac-a4b5-549b-b452-e519db6f900a
json: https://whiteintel.dev/api/public/dossier/a53707ac-a4b5-549b-b452-e519db6f900a
identifier: sec:0001580063
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ASCENDANT MDX, INC.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001580063`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a53707ac-a4b5-549b-b452-e519db6f900a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a53707ac-a4b5-549b-b452-e519db6f900a  

## Ownership & control

### Owners / controllers

- **ATHYRIUM OPPORTUNITIES III ACQUISITION LP** (tenpercentowner) — https://whiteintel.dev/entity/aaf3d861-c22f-583a-84fe-c7d558bef3f1
- **ATHYRIUM OPPORTUNITIES III ACQUISITION 2 LP** (tenpercentowner) — https://whiteintel.dev/entity/a0db9fe6-5fd6-5d38-b65a-4cb2018b94c1
- **ATHYRIUM OPPORTUNITIES 2020 LP** (tenpercentowner) — https://whiteintel.dev/entity/512f875f-6e1e-553a-93b7-58b28f9350b2
- **ATHYRIUM OPPORTUNITIES III CO-INVEST 1 LP** (tenpercentowner) — https://whiteintel.dev/entity/4d5541c2-4d26-5b47-8ba0-4c7e7eb1aa0b
- **ATHYRIUM OPPORTUNITIES ASSOCIATES III GP LLC** (tenpercentowner) — https://whiteintel.dev/entity/a709e38c-871a-572b-8b3c-064795d46b69
- **FERRELL JEFFREY** (tenpercentowner) — https://whiteintel.dev/entity/c0fef95a-f9b3-5825-891c-f4b1ce56343b
- **ATHYRIUM OPPORTUNITIES ASSOCIATES III LP** (tenpercentowner) — https://whiteintel.dev/entity/af543e13-bf71-5421-9a50-90d50fc78886
- **ATHYRIUM FUNDS GP HOLDINGS LLC** (tenpercentowner) — https://whiteintel.dev/entity/ee2aaa20-e111-5b46-b467-209576571c13
- **ATHYRIUM OPPORTUNITIES ASSOCIATES CO-INVEST LLC** (tenpercentowner) — https://whiteintel.dev/entity/0d631058-d23e-5e93-950d-88bb086e4099
- **STYLLI HARRY** (tenpercentowner) — https://whiteintel.dev/entity/4bb882c2-4a98-57e8-854e-2a266d8f7210
- **ATHYRIUM OPPORTUNITIES ASSOCIATES GP LLC** (tenpercentowner) — https://whiteintel.dev/entity/80bf8a08-036f-5a5c-88bf-d7b27c7e8136
- **ATHYRIUM OPPORTUNITIES FUND (B) LP** (tenpercentowner) — https://whiteintel.dev/entity/fac44a7f-3c4d-55d8-ab75-61ed6df80bda
- **NB ALTERNATIVES GP HOLDINGS LLC** (tenpercentowner) — https://whiteintel.dev/entity/b2035c62-03e5-5af8-9943-0938fcca9447
- **ATHYRIUM OPPORTUNITIES ADVISERS LLC** (tenpercentowner) — https://whiteintel.dev/entity/eaeebb9c-8d46-52f7-b83e-34d630c22619
- **ATHYRIUM OPPORTUNITIES ASSOCIATES LP** (tenpercentowner) — https://whiteintel.dev/entity/7264bd57-47e5-50ef-9759-1e8b908ae07f
- **NB ALTERNATIVES ADVISERS LLC** (tenpercentowner) — https://whiteintel.dev/entity/5df9209d-fb1e-5841-b860-9a4a91c1681a
- **NB ALTERNATIVES HOLDINGS LLC** (tenpercentowner) — https://whiteintel.dev/entity/b714329c-7001-58cb-8e22-79eaaee63885
- **ATHYRIUM CAPITAL MANAGEMENT, LP** (tenpercentowner) — https://whiteintel.dev/entity/1b8ecf77-e6fa-5ab3-870c-c5c4c92aa2f8
- **ATHYRIUM OPPORTUNITIES FUND (A) LP** (tenpercentowner) — https://whiteintel.dev/entity/62b2ad2d-fa02-5937-93c2-207b4a328590
- **ATHYRIUM CAPITAL HOLDINGS, LLC** (tenpercentowner) — https://whiteintel.dev/entity/926ad4c0-5eb9-5976-824a-6cb0f19c5978

### 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.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ASCENDANT MDX, INC.**. Human view: https://whiteintel.dev/entity/a53707ac-a4b5-549b-b452-e519db6f900a · Structured JSON: https://whiteintel.dev/api/public/dossier/a53707ac-a4b5-549b-b452-e519db6f900a._

_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"._