CHIEF COMPLIANCE OFFICER

0000950123-13-006951.txt : 20130815 0000950123-13-006951.hdr.sgml : 20130815 20130814201813 ACCESSION NUMBER: 0000950123-13-006951 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20130630 FILED AS OF DATE: 20130815 DATE AS OF CHANGE: 20130814 EFFECTIVENESS DATE: 20130815 FILER: COMPANY DATA: COMPANY CONFORMED NAME: RS INVESTMENT MANAGEMENT CO LLC CENTRAL INDEX KEY: 0001085256 IRS NUMBER: 943321067 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-12027 FILM NUMBER: 131040150 BUSINESS ADDRESS: STREET 1: 388 MARKET STREET STREET 2: SUITE 1700 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 BUSINESS PHONE: 4155912700 MAIL ADDRESS: STREET 1: 388 MARKET STREET STREET 2: SUITE 1700 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001085256 XXXXXXXX 06-30-2013 06-30-2013 RS INVESTMENT MANAGEMENT CO LLC

388 MARKET STREET SUITE 1700 SAN FRANCISCO CA 94111

13F COMBINATION REPORT 028-12027 028-02098 GUARDIAN INVESTOR SERVICES LLC 028-04395 BAILLIE GIFFORD OVERSEAS LTD N JAMES L. SMITH CHIEF COMPLIANCE OFFICER 415-591-2700 JAMES L. SMITH SAN FRANCISCO CA 08-13-2013 1 310 13787723 false 1 028-02098 GUARDIAN INVESTOR SERVICES LLC INFORMATION TABLE 2 form13fInfoTable.xml INFORMATION TABLE FOR FORM 13F Abaxis, Inc. COM 002567105 22224 467780 SH DFND 1 421740 0 46040 Acadia Healthcare Co., Inc. COM 00404A109 14842 448792 SH DFND 1 417792 0 31000 Activision Blizzard, Inc. COM 00507V109 38466 2697462 SH DFND 1 2611014 0 86448 Acxiom Corp. COM 005125109 151507 6680202 SH DFND 1 6581072 0 99130 Aegerion Pharmaceuticals, Inc. COM 00767E102 16514 260726 SH DFND 1 242751 0 17975 Affiliated Managers Group, Inc. COM 008252108 4158 25360 SH DFND 1 25360 0 0 Aflac, Inc. COM 001055102 37881 651774 SH DFND 1 651774 0 0 Akamai Technologies, Inc. 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