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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
101 CITIGROUP INC 183,552 3,491,000 0.13%
102 US BANCORP \DE\ 178,956 3,403,000 0.13%
103 SEI INVESTMENTS CO 178,157 3,388,000 0.12%
104 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 177,922 3,384,000 0.12%
105 BNP Paribas Asset Management Holding S.A. 173,807 3,306,000 0.12%
106 Walleye Trading LLC 165,700 3,154,000 0.12% Put
107 BRAUN STACEY ASSOCIATES INC 164,895 3,136,000 0.12%
108 AGF INVESTMENTS INC. 164,600 3,127,000 0.12%
109 SUSQUEHANNA INTERNATIONAL GROUP, LLP 156,733 2,981,000 0.11%
110 SYMPHONY ASSET MANAGEMENT LLC 156,282 2,972,000 0.11%
111 Visium Asset Management, LP 153,388 2,917,000 0.11%
112 1492 Capital Management LLC 150,064 2,854,000 0.11%
113 Manatuck Hill Partners, LLC 150,000 2,853,000 0.11%
114 VOYA INVESTMENT MANAGEMENT LLC 140,116 2,665,000 0.10%
115 Pier Capital, LLC 139,808 2,659,000 0.10%
116 Allianz Asset Management GmbH 139,595 2,656,000 0.10%
117 BlackRock Finance, Inc. 135,203 2,571,000 0.09%
118 Tygh Capital Management, Inc. 132,122 2,513,000 0.09%
119 MARCUS CAPITAL, LLC 131,000 2,492,000 0.09%
120 SUFFOLK CAPITAL MANAGEMENT LLC 125,419 2,385,000 0.09%
121 CAPITAL FUND MANAGEMENT S.A. 125,278 2,383,000 0.09%
122 MOORE CAPITAL MANAGEMENT, LP 125,000 2,378,000 0.09%
123 GOLDMAN SACHS GROUP INC 123,700 2,353,000 0.09% Call
124 Walleye Trading LLC 121,063 2,303,000 0.08%
125 RICE HALL JAMES & ASSOCIATES, LLC 120,372 2,289,000 0.08%
126 PUTNAM INVESTMENTS LLC 118,084 2,246,000 0.08%
127 TREDJE AP-FONDEN 130,000 2,111,000 0.08%
128 Parallax Volatility Advisers, L.P. 103,200 1,963,000 0.07% Put
129 TEXAS PERMANENT SCHOOL FUND CORP 102,758 1,954,000 0.07%
130 RUSSELL FRANK CO/ 101,411 1,929,000 0.07%
131 PRUDENTIAL FINANCIAL INC 101,269 1,927,000 0.07%
132 VALICENTI ADVISORY SERVICES INC 100,265 1,907,000 0.07%
133 EverPoint Asset Management, LLC 100,000 1,902,000 0.07%
134 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 93,952 1,787,000 0.07%
135 FIRST TRUST ADVISORS LP 93,333 1,775,000 0.07%
136 SG Americas Securities, LLC 88,977 1,692,000 0.06%
137 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 88,868 1,690,000 0.06%
138 ClariVest Asset Management LLC 86,918 1,654,000 0.06%
139 Spot Trading L.L.C 83,000 1,579,000 0.06% Put
140 Dana Investment Advisors, Inc. 82,342 1,566,000 0.06%
141 COMERICA BANK 86,777 1,545,000 0.06%
142 GREAT LAKES ADVISORS, LLC 79,504 1,512,000 0.06%
143 JOHN G ULLMAN & ASSOCIATES INC 79,500 1,512,000 0.06%
144 BARCLAYS PLC 79,600 1,512,000 0.06% Put
145 Kingdom Ridge Capital, LLC 75,000 1,427,000 0.05%
146 GOLDMAN SACHS GROUP INC 74,200 1,411,000 0.05% Put
147 Walleye Trading LLC 72,800 1,388,000 0.05% Call
148 Arizona State Retirement System 70,832 1,347,000 0.05%
149 SOUTHPORT MANAGEMENT, L.L.C. 70,000 1,331,000 0.05%
150 QS Investors, LLC 69,325 1,319,000 0.05%
Page 3 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.