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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0001256071-12-000005
Filing Date
2012-02-15
Accepted
2012-02-14 19:44:41
Documents
1

Document Format Files

Seq Description Document Type Size
1 ciena31.txt SC 13G 1355
  Complete submission text file 0001256071-12-000005.txt   2961
Mailing Address 1201 WINTERSON ROAD LINTHICUM MD 21090
Business Address 1201 WINTERSON ROAD LINTHICUM MD 21090 4108658500
CIENA CORP (Subject) CIK: 0000936395 (see all company filings)

IRS No.: 232725311 | State of Incorp.: DE | Fiscal Year End: 1031
Type: SC 13G | Act: 34 | File No.: 005-54195 | Film No.: 12613829
SIC: 3661 Telephone & Telegraph Apparatus

Mailing Address C/O PLATINUM INVESTMENT MANAGEMENT LEVEL 8, 7 MACQUARIE PLACE SYDNEY AUSTRALIA 2000 C3 00000
Business Address C/O PLATINUM INVESTMENT MANAGEMENT LEVEL 8, 7 MACQUARIE PLACE SYDNEY AUSTRALIA 2000 C3 00000 61292557533
PLATINUM INVESTMENT MANAGEMENT LTD (Filed by) CIK: 0001256071 (see all company filings)

IRS No.: 000000000
Type: SC 13G