<SEC-DOCUMENT>0001103804-18-000018-index.html : 20180214 <SEC-HEADER>0001103804-18-000018.hdr.sgml : 20180214 <ACCEPTANCE-DATETIME>20180214154149 ACCESSION NUMBER: 0001103804-18-000018 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20180214 DATE AS OF CHANGE: 20180214 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: aTYR PHARMA INC CENTRAL INDEX KEY: 0001339970 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 203435077 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-88839 FILM NUMBER: 18611899 BUSINESS ADDRESS: STREET 1: 3545 JOHN HOPKINS COURT, STE #250 CITY: SAN DIEGO STATE: CA ZIP: 92121 BUSINESS PHONE: 858-731-8389 MAIL ADDRESS: STREET 1: 3545 JOHN HOPKINS COURT, STE #250 CITY: SAN DIEGO STATE: CA ZIP: 92121 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: VIKING GLOBAL INVESTORS LP CENTRAL INDEX KEY: 0001103804 IRS NUMBER: 134055118 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 55 RAILROAD AVENUE CITY: GREENWICH STATE: CT ZIP: 06830 BUSINESS PHONE: 203-863-5062 MAIL ADDRESS: STREET 1: 55 RAILROAD AVENUE CITY: GREENWICH STATE: CT ZIP: 06830 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>v13ga1aTyr.txt <TEXT> Document 1 - file: v13ga1aTyr.txt
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