Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000930413-15-000555
Filing Date
2015-02-12
Accepted
2015-02-12 12:11:35
Documents
1

Document Format Files

Seq Description Document Type Size
1 c80233_sc13g.htm SC 13G 59741
  Complete submission text file 0000930413-15-000555.txt   61140
Mailing Address 7035 RIDGE ROAD HANOVER MD 21076
Business Address 7035 RIDGE ROAD HANOVER MD 21076 4108658500
CIENA CORP (Subject) CIK: 0000936395 (see all company filings)

EIN.: 232725311 | State of Incorp.: DE | Fiscal Year End: 1031
Type: SC 13G | Act: 34 | File No.: 005-54195 | Film No.: 15604310
SIC: 3661 Telephone & Telegraph Apparatus

Mailing Address 730 THIRD AVENUE NEW YORK NY 10017-3206
Business Address 730 THIRD AVENUE NEW YORK NY 10017-3206 2129166042
TEACHERS ADVISORS INC (Filed by) CIK: 0000939222 (see all company filings)

EIN.: 133760073 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G