<SEC-DOCUMENT>0000930413-16-005390-index.html : 20160210 <SEC-HEADER>0000930413-16-005390.hdr.sgml : 20160210 <ACCEPTANCE-DATETIME>20160210161635 ACCESSION NUMBER: 0000930413-16-005390 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20160210 DATE AS OF CHANGE: 20160210 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: CIENA CORP CENTRAL INDEX KEY: 0000936395 STANDARD INDUSTRIAL CLASSIFICATION: TELEPHONE & TELEGRAPH APPARATUS [3661] IRS NUMBER: 232725311 STATE OF INCORPORATION: DE FISCAL YEAR END: 1031 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-54195 FILM NUMBER: 161405927 BUSINESS ADDRESS: STREET 1: 7035 RIDGE ROAD CITY: HANOVER STATE: MD ZIP: 21076 BUSINESS PHONE: 4108658500 MAIL ADDRESS: STREET 1: 7035 RIDGE ROAD CITY: HANOVER STATE: MD ZIP: 21076 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: TIAA CREF INVESTMENT MANAGEMENT LLC CENTRAL INDEX KEY: 0000887793 IRS NUMBER: 133586142 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 730 THIRD AVENUE CITY: NEW YORK STATE: NY ZIP: 10017-3206 BUSINESS PHONE: 2129166042 MAIL ADDRESS: STREET 1: 730 THIRD AVENUE CITY: NEW YORK STATE: NY ZIP: 10017-3206 FORMER COMPANY: FORMER CONFORMED NAME: TIAA CREF INVESTMENT MANAGEMENT INC DATE OF NAME CHANGE: 19980223 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>c83815_sc13ga.htm <TEXT> Document 1 - file: c83815_sc13ga.htm
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