Investors

Ownership Profile

Shareholder Breakdown
  Holders Values ($) % O/S Shares
Institution 268 1,599,037,821.00 105.28 106,887,555
Mutual Fund 407 800,238,795.00 52.69 53,491,898

Institutional Shareholder Rotation
  Holders Values Change ($) % O/S Shares Change
Buyers 158 380,942,966.00 80.21 25,464,102
Sellers 70 -295,100,038.00 22.41 -19,725,938
Net -- 85,842,928.00 57.80 5,738,164

Institutional Shareholder Concentration
  Values ($) % O/S Shares
Top 10 Inst. 730,619,202 48.10 48,838,182
Top 20 Inst. 1,012,682,117.00 66.67 67,692,655
Top 50 Inst. 1,354,801,368.00 89.20 90,561,589
Total Inst. 1,599,037,821.00 105.28 106,887,555

Institutional Shareholder Style
  Holders Values ($) % O/S Shares
Growth 146 1,031,060,241 64.48 68,921,139
Value 37 117,515,242 7.35 7,855,297
GARP 35 40,733,761 2.55 2,722,845
Yield 24 15,983,682 1.00 1,068,428
Index 12 269,100,091 16.83 17,987,974
Aggressive Growth 12 115,070,404 7.20 7,691,872
Deep Value 2 9,574,400 0.60 640,000

Top Holders: Institutional Investor
  Shares Held % O/S Shares Change Filing Date
BlackRock Fund Advisors 7,544,138 7.43 328,904 03/31/2013
Platinum Asset Management Ltd. (Investment Management) 6,686,200 6.59 10,000 03/31/2013
The Vanguard Group, Inc. 5,847,080 5.76 -73,859 03/31/2013
Citadel Advisors LLC 5,130,106 5.05 4,120,428 03/31/2013
AllianceBernstein LP 5,125,622 5.05 681,241 03/31/2013
The Dreyfus Corp. 3,790,362 3.73 737,100 03/31/2013
Turner Investments LP 3,777,393 3.72 983,923 03/31/2013
Parnassus Investments 3,696,193 3.64 -2,116 03/31/2013
SSgA Funds Management, Inc. 3,635,296 3.58 25,588 03/31/2013
TIAA-CREF Asset Management LLC 3,605,792 3.55 504,259 03/31/2013
Daruma Capital Management LLC 2,581,374 2.54 415,588 03/31/2013
The Boston Company Asset Management LLC 2,404,190 2.37 1,392,340 03/31/2013
Empire Capital Management LLC 2,275,000 2.24 2,275,000 03/31/2013
Luther King Capital Management Corp. 2,228,490 2.20 28,730 03/31/2013
Northern Trust Investments, Inc. 1,792,968 1.77 15,232 03/31/2013
BlackRock Advisors LLC 1,625,785 1.60 -731,660 03/31/2013
ING Investment Management Advisors BV 1,596,531 1.57 770,947 03/31/2013
Arrowstreet Capital LP 1,488,002 1.47 1,017,311 03/31/2013
Integrity Asset Management LLC 1,465,489 1.44 483,120 03/31/2013
Jacobs Levy Equity Management, Inc. 1,396,644 1.38 -564,576 03/31/2013
Wellington Management Co. LLP 1,389,541 1.37 -12,595,129 03/31/2013
The Bank of New York Mellon Corp. (Asset Management) 1,305,679 1.29 103,180 03/31/2013
New Jersey Division of Investment 1,250,000 1.23 0 03/31/2013
Two Sigma Investments LLC 1,182,516 1.17 1,182,516 03/31/2013
Loomis, Sayles & Co. LP 1,169,278 1.15 42,373 03/31/2013
Maplelane Capital LLC 1,149,617 1.13 1,149,617 03/31/2013
Columbia Management Investment Advisers LLC 1,094,747 1.08 118,391 03/31/2013

Ownership data is provided by FactSet, a third party service, and Ciena Corporation does not maintain or provide information directly to this service.

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Stock Information

Ticker CIEN
Exchange NASDAQ
Price $15.51 UPDATED:
05/24/2013
4:05 PM ET
Change +0.03
Volume 1,825,700
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