Dark
Light
System
Security
CIENA CORP
CIENA CORP. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 309 Institutional holders with a total value of $2,714,350,801.
#
Manager Name
Shares
Value ($)
%
Options
Notes
151 D. E. Shaw & Co., Inc. 64,500 1,227,000 0.05% Call
152 MORGAN STANLEY 63,638 1,211,000 0.04%
153 Spot Trading L.L.C 62,666 1,192,000 0.04%
154 BANK OF AMERICA CORP /DE/ 58,800 1,118,000 0.04% Put
155 MASON STREET ADVISORS, LLC 56,249 1,070,000 0.04%
156 UBS Group AG 55,824 1,062,000 0.04%
157 Nuveen Asset Management, LLC 55,223 1,050,000 0.04%
158 ROYAL BANK OF CANADA 53,051 1,009,000 0.04%
159 BlueCrest Capital Management Ltd 52,900 1,006,000 0.04%
160 FIRST MANHATTAN CO. LLC. 52,240 993,000 0.04%
161 WHITTIER TRUST CO 52,058 990,000 0.04%
162 STATE OF MICHIGAN RETIREMENT SYSTEM 51,600 981,000 0.04%
163 Alberta Investment Management Corp 51,420 978,000 0.04%
164 Liberty Mutual Group Asset Management Inc. 50,207 955,000 0.04%
165 Creative Planning 49,058 933,000 0.03%
166 Spark Investment Management LLC 48,700 926,000 0.03%
167 FIRST MERCANTILE TRUST CO 47,900 911,000 0.03%
168 AQR CAPITAL MANAGEMENT LLC 46,417 883,000 0.03%
169 Municipal Employees' Retirement System of Michigan 43,070 819,000 0.03%
170 Point72 Asset Management, L.P. 42,300 805,000 0.03%
171 ENVESTNET ASSET MANAGEMENT INC 42,226 803,000 0.03%
172 BOOTHBAY FUND MANAGEMENT, LLC 41,636 792,000 0.03%
173 Cipher Capital LP 41,476 789,000 0.03%
174 OREGON PUBLIC EMPLOYEES RETIREMENT FUND 41,399 787,000 0.03%
175 ETRADE Capital Management LLC 39,561 752,000 0.03%
176 BANK OF MONTREAL /CAN/ 36,257 690,000 0.03%
177 Louisiana State Employees Retirement System 35,800 681,000 0.03%
178 Parallax Volatility Advisers, L.P. 34,622 659,000 0.02%
179 FIFTH THIRD BANCORP 34,099 649,000 0.02%
180 Zurcher Kantonalbank (Zurich Cantonalbank) 32,026 609,000 0.02%
181 PARADIGM CAPITAL MANAGEMENT INC/NY 31,000 589,000 0.02%
182 Legal & General Group Plc 30,805 586,000 0.02%
183 HighTower Advisors, LLC 30,652 584,000 0.02%
184 ProShare Advisors LLC 30,327 577,000 0.02%
185 CSS LLC/IL 30,000 570,000 0.02% Put
186 MONETA GROUP INVESTMENT ADVISORS LLC 29,265 557,000 0.02%
187 Ameritas Investment Partners, Inc. 29,088 553,000 0.02%
188 JANE STREET GROUP, LLC 28,700 546,000 0.02% Call
189 ALGERT GLOBAL LLC 28,601 544,000 0.02%
190 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 28,442 541,000 0.02%
191 New Jersey Better Educational Savings Trust 28,000 533,000 0.02%
192 Squarepoint Ops LLC 27,477 523,000 0.02%
193 ARDSLEY ADVISORY PARTNERS LP 27,500 523,000 0.02%
194 COMMERZBANK AKTIENGESELLSCHAFT /FI 27,157 517,000 0.02%
195 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 27,081 515,000 0.02%
196 PT ASSET MANAGEMENT, LLC 27,000 514,000 0.02% Put
197 WESTBOURNE INVESTMENT ADVISORS, INC. 26,985 513,000 0.02%
198 TWO SIGMA ADVISERS, LP 25,819 491,000 0.02%
199 CROFT-LEOMINSTER INC 25,850 491,000 0.02%
200 Regent Investment Management LLC 25,633 488,000 0.02%
Page 4 of 7

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.