---
title: "aTYR PHARMA INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/7d0875a2-005c-5837-b4fa-bd6cd0d6d971
json: https://whiteintel.dev/api/public/dossier/7d0875a2-005c-5837-b4fa-bd6cd0d6d971
identifier: sec:0001339970
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# aTYR PHARMA INC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001339970`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/7d0875a2-005c-5837-b4fa-bd6cd0d6d971  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/7d0875a2-005c-5837-b4fa-bd6cd0d6d971  

## Ownership & control

### Owners / controllers

- **ECOR1 CAPITAL FUND QUALIFIED, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/dd8bbe66-e3ff-5b1f-bb9c-7daba37f0e80
- **BLAIR JAMES C** (tenpercentowner) — https://whiteintel.dev/entity/fe5d7eaa-43d6-5432-b3ae-231b36986dfb
- **VITULLO NICOLE** (tenpercentowner) — https://whiteintel.dev/entity/c26d7a52-2a97-58d3-a153-75918c4bfc0c
- **POLARIS VENTURE PARTNERS FOUNDERS' FUND V, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/6ec86ff0-36f2-5c0c-ac28-86b4bc987ed1
- **Kamdar Kim P.** (tenpercentowner) — https://whiteintel.dev/entity/9762dca9-b38d-5d4b-a679-df42336109ce
- **TREU JESSE I** (tenpercentowner) — https://whiteintel.dev/entity/94336166-ffdb-564e-a5d6-590b3895d5b4
- **HEALY JAMES** (tenpercentowner) — https://whiteintel.dev/entity/9b6d7fff-4608-50b9-8c40-bee2fa2325b1
- **DEERFIELD MGMT III, L.P.** (tenpercentownerother) — https://whiteintel.dev/entity/478bf168-cca7-5092-b1be-3cb81cb02e40
- **DP VIII ASSOCIATES, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/9d908bde-6dbb-5eb3-806c-c8ded7f31b94
- **Flynn James E** (tenpercentownerother) — https://whiteintel.dev/entity/e41579a6-248b-5454-a089-66f9a7c69ae7
- **ALTA PARTNERS VIII, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/112d90b6-1b77-5c4b-9dc6-5fe063547f80
- **HULL BRANDON H** (tenpercentowner) — https://whiteintel.dev/entity/169d67ad-5f76-5eaf-92e6-e1ff1d303e6c
- **DEERFIELD PRIVATE DESIGN FUND III, L.P.** (tenpercentownerother) — https://whiteintel.dev/entity/596448ff-eaf9-59b5-a0cf-fe45bd0c0970
- **POLARIS VENTURE MANAGEMENT CO. V, L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/1297e063-d497-51ef-8d8f-22de9e19ee09
- **POLARIS VENTURE PARTNERS ENTREPRENEURS' FUND V, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/c59e4638-d483-5503-80e2-a560de0a4494
- **NASHAT AMIR** (tenpercentowner) — https://whiteintel.dev/entity/5146b29f-a54a-5a97-83c5-b264d3edd5f3
- **POWELL MICHAEL** (tenpercentowner) — https://whiteintel.dev/entity/1426b4ac-6560-54cb-97dc-4065ac01c4f1
- **ALTA PARTNERS MANAGEMENT VIII, LLC** (tenpercentowner) — https://whiteintel.dev/entity/6e4c3d38-aab3-5642-9fa9-800209284aba
- **JANNEY DANIEL** (tenpercentowner) — https://whiteintel.dev/entity/369ab864-ed09-5031-aea3-9c100e41e8f7
- **DEERFIELD SPECIAL SITUATIONS FUND, L.P.** (tenpercentownerother) — https://whiteintel.dev/entity/0cd0b0a2-5e73-54c5-be78-49a74fbed3f4
- **AKKARAJU SRINIVAS** (tenpercentowner) — https://whiteintel.dev/entity/ec9ac26b-07ce-5595-b013-3e7386eb27ef
- **CHAMPSI FARAH** (tenpercentowner) — https://whiteintel.dev/entity/e3628162-e53b-50cf-b8ee-70e6af59ddad
- **POLARIS VENTURE PARTNERS V, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/b0e0cc25-53d5-53c3-8c54-45b216435af5
- **DEERFIELD CAPITAL LP** (tenpercentownerother) — https://whiteintel.dev/entity/5f3c11a7-c53a-58c1-ba4f-1ad86e04c791
- **DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)** (tenpercentownerother) — https://whiteintel.dev/entity/31a5caa4-05d6-5739-b04b-16a6222da289
- **MEHRA ANAND** (tenpercentowner) — https://whiteintel.dev/entity/a5eb05da-83ff-5ab1-bea1-6107bcd28a98
- **SOFINNOVA MANAGEMENT IX, L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/dedcfb34-0b07-5866-9fec-f94b4e4a75b8
- **CHP II LP** (tenpercentowner) — https://whiteintel.dev/entity/e0240f73-f0ef-5d34-9a23-5d55ef641ec8
- **SCHOEMAKER KATHLEEN K** (tenpercentowner) — https://whiteintel.dev/entity/8e044ef1-0851-58b4-8e62-8617a75f0dee
- **DOMAIN PARTNERS VIII, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/722215e1-57b9-5c7a-b012-c3bc9f30e12c
- **CHP II MANAGEMENT, LLC** (tenpercentowner) — https://whiteintel.dev/entity/f6bd1530-a73f-51ff-8b8f-3ba36fdbf9ea
- **PARK JOHN JOSEPH** (tenpercentowner) — https://whiteintel.dev/entity/9afae62b-4eba-5ea5-816b-c8c4b77ad2d2
- **SOFINNOVA VENTURE PARTNERS IX, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/a742f84e-510f-59cd-a619-bdf875efd9d7
- **DOVEY BRIAN H** (tenpercentowner) — https://whiteintel.dev/entity/4fa90898-ede5-5281-9ef1-80c31f96666b
- **CLARKE JOHN K** (tenpercentowner) — https://whiteintel.dev/entity/ed354096-f4b9-56fa-8db7-e6a0a3450fff
- **POLARIS VENTURE PARTNERS SPECIAL FOUNDERS' FUND V, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/54199532-192b-5f6c-b7aa-106f1f97a9fb
- **DOMAIN ASSOCIATES** (tenpercentowner) — https://whiteintel.dev/entity/2b1a8d9a-e166-5db3-9026-5ad441900d09
- **NOHRA GUY P** (tenpercentowner) — https://whiteintel.dev/entity/0a729bcb-38b5-5cdd-a4d8-b544aebddd7a
- **HALAK BRIAN K** (tenpercentowner) — https://whiteintel.dev/entity/85b0d838-41cd-5c89-9cee-5614145241a2

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

A **84-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 **aTYR PHARMA INC**. Human view: https://whiteintel.dev/entity/7d0875a2-005c-5837-b4fa-bd6cd0d6d971 · Structured JSON: https://whiteintel.dev/api/public/dossier/7d0875a2-005c-5837-b4fa-bd6cd0d6d971._

_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"._