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Ciena Corp (CIEN) Ownership Data

Short Interest History (%)

This is the historical short interest of Ciena Corp, as measured by the Short Percentage Of Float.

Date Short Interest
August 14, 201519.04
July 31, 201522.21
July 15, 201521.1
June 30, 201519.24
June 15, 201519.16
May 29, 201518.24
May 15, 201517.74
April 30, 201516.5
April 15, 201516.12
March 31, 201516.32
March 13, 201516.61
February 27, 201518.35
February 13, 201519.09
January 30, 201519.24
January 15, 201521.41
December 31, 201426.02
December 15, 201430.85
November 28, 201428.69
November 14, 201426.1
October 31, 201425.37
October 15, 201428.68
September 30, 201429.23
September 15, 201430.92
August 29, 201428.1
August 15, 201425.64
July 31, 201426.89
July 15, 201427.14
June 30, 201427.32
June 13, 201430.07
May 30, 201430.33
May 15, 201429.69
April 30, 201431.5
April 15, 201428.95
March 31, 201427.58
March 14, 201427.33
February 28, 201427.39
February 14, 201427.6
January 31, 201428.06
January 15, 201427.15
December 31, 201324.09
December 13, 201325.92
November 29, 201326.05
November 15, 201326.1
October 31, 201327.04
October 15, 201327.9
September 30, 201327.63
September 13, 201330.41
August 30, 201327.83
August 15, 201328.93
July 31, 201329.3
July 15, 201328.44
June 28, 201328.58
June 14, 201328.94
May 31, 201325.21
May 15, 201325.19
April 30, 201326.25
April 15, 201327.07
March 28, 201327.23
March 15, 201325.87
February 28, 201326.71
February 15, 201325.53
January 31, 201324.07
January 15, 201326.02
December 31, 201227.14
December 14, 201229
November 30, 201230.47
November 15, 201230.83
October 31, 201230.32
October 15, 201232.04
September 28, 201231.82
September 14, 201232.26
August 31, 201232.75
August 15, 201235.87
July 31, 201235.89
July 13, 201234.88
June 29, 201236.23
June 15, 201234.08
May 31, 201228.65
May 15, 201228.99
April 30, 201234.24
April 13, 201233.84
March 30, 201233.25
March 15, 201229.86
February 29, 201231.32
February 15, 201232.1
January 31, 201231.25
January 13, 201235.67
December 30, 201130.78
December 15, 201132.54
November 30, 201131.36
November 15, 201134.11
October 31, 201132.11
October 14, 201134.79
September 30, 201137.04
September 15, 201136.05
August 31, 201135
August 15, 201129.17
July 29, 201132.04
July 15, 201130.14
June 30, 201130.96
June 15, 201130.43
May 31, 201129.52
May 13, 201131.8
April 29, 201133.93
April 15, 201136.58
March 31, 201135.54
March 15, 201132.14
February 28, 201132.57
February 15, 201132.84
January 31, 201132.99
January 14, 201141.38
December 31, 201030.84
December 15, 201030.68
November 30, 201028.35
November 15, 201029.39
October 29, 201029.44
October 15, 201027.41
September 30, 201026.7
September 15, 201025.33
August 31, 201024.45
August 13, 201024.89
July 30, 201024.01
July 15, 201023.73
June 30, 201025.2
June 15, 201021.38
May 28, 201024.47
May 14, 201025
April 30, 201028.41
April 15, 201027.17
March 31, 201024.57
March 15, 201024.66
February 26, 201017.04
February 12, 201018.1
January 29, 201018.12
January 15, 201018.78
December 31, 200917.85
December 15, 200918.81
November 30, 200918.52
November 13, 200914.39
October 30, 200913.69
October 15, 200912.25
September 30, 200913.64
September 15, 200914.82
August 31, 200916.54
August 14, 200916.21
July 31, 200916.6
July 15, 200921.08
June 30, 200921.88
June 15, 200920.37
May 29, 200917.91
May 15, 200915.95
April 30, 200917.42
April 15, 200915.41
March 31, 200916.64
March 13, 200917.23
February 27, 200917.99
February 13, 200917.7
January 30, 200918.46
January 15, 200916.08
December 31, 200814.52
December 15, 200812.43
November 28, 200812.65
November 14, 200810.81
October 31, 200812.84
October 15, 200811.58
September 30, 200813.04
September 15, 200813.6
August 29, 200811.75
August 15, 200811.31
July 31, 200813.65
July 15, 200812.16
June 30, 200812.38
June 13, 200812.57
May 30, 200810.36
May 15, 200812.3
April 30, 200814.07
April 15, 200814.75
March 31, 200816.19
March 14, 200814.33
February 29, 200813.3
February 15, 200810.25
January 31, 200810.56
January 15, 200810.44
December 31, 20079.24
December 11, 200711.64
November 27, 200711.99
November 9, 200711.7
October 26, 200711.89
October 10, 200711.66
September 25, 20077.45
September 11, 20077.67
August 10, 200710.1
July 10, 200712.21
June 12, 200715.99
May 10, 200711.99
April 10, 200711.82
March 12, 20079.11
February 12, 20077.36
January 9, 20077.33
December 12, 20065.45
November 10, 20065.21
October 10, 20064.92
September 12, 200624.63
August 10, 20063.26
July 11, 20063.66
June 12, 20067.18
May 10, 20067.99
April 10, 20067.33
March 10, 20065.27
February 10, 20064.3
January 10, 20063.86
December 12, 20053.96
November 10, 20053.71
October 11, 20053.82
September 12, 20053.21
August 10, 20053.1
July 12, 20053
June 10, 20051.72
May 10, 20052.11
April 12, 20051.5
March 10, 20052.2
February 10, 20051.9
January 11, 20052.19
December 10, 20042.14
November 10, 20042.65
October 12, 20042.45
September 10, 20041.91
August 10, 20042.87
July 12, 20043.29
June 9, 20042.99
May 11, 20043.63
April 12, 20044.26
March 10, 20044.64
February 10, 20043.43
January 12, 20043.48
December 10, 20034.22
November 11, 20033.88
October 10, 20033.37
September 10, 20033.57
August 12, 20033.25
July 10, 20035.01
June 10, 20034.51
May 12, 20034.5
April 10, 20035.65
March 11, 20035.92
February 11, 20035.44
January 10, 20035.05
December 10, 20023.73
November 12, 20022.71
October 10, 20022.85
September 10, 20023.04
August 12, 20023.31
July 10, 20025.26
June 11, 20028.89
May 10, 20028.72
April 10, 20029.2
March 12, 20028.07
February 12, 20025.32
January 10, 20025.32
December 11, 20016.6
November 12, 20019.44
October 10, 20016.33
September 5, 20014.56
August 10, 20013.99
July 10, 20014.3
June 12, 20014.56
May 10, 20015.37
April 9, 20017.26
March 12, 20013.8
February 12, 20013.45
January 9, 20012.76
December 12, 20003.69
November 10, 20003.49
October 10, 20004.42
September 12, 20007.88
August 10, 20003.09
July 11, 20003.63
June 12, 20003.48
May 10, 20004.41
April 11, 20003.21
March 10, 20004.18
February 10, 20004.14
January 11, 20003.51
December 10, 19994.51
November 10, 19994.02
October 12, 19993.14
September 10, 19992.84
August 10, 19993.27
July 12, 19993.48
June 10, 19993.36
May 11, 19993.33
April 12, 19995.71
March 10, 19993.82
February 9, 19994.29
January 8, 19993.88
December 8, 19985.93
November 6, 19986.49
October 8, 19984.73
September 8, 19983.57
August 7, 19983.75
July 8, 19983.82
June 8, 19983.7
May 8, 19984.39
April 7, 19984.76
March 6, 19984.14
February 6, 19983.19
January 8, 19982.69
December 8, 19972.99
November 7, 19972.36
October 8, 19972.91
September 8, 19971.78
August 8, 19972.33
July 8, 19972.5
June 6, 19972.35
May 8, 19971.42
April 8, 19971.4
March 7, 19970.56

Institutional Ownership History (%)

This the Institutional Ownership History of Ciena CorpPeter Lynch prefers to buy companies with low institutional ownership.

Date Institutional Ownership
December 31, 200995
September 30, 200798
March 31, 200797
December 31, 200676
September 30, 200645
September 30, 20041

Insider ownership (%)

This is the historical insider ownership of Ciena Corp. It is usually better to buy companies with large insider ownership. The company insiders' interest are more aligned with external shareholders in this case.

Date Insider Ownership
July 31, 20154
June 30, 20154
May 31, 20154
April 30, 20155
March 31, 20155
February 28, 20155
January 31, 20155
December 31, 20145
November 30, 20144
October 31, 20144
September 30, 20144
August 31, 20145
July 31, 20145
June 30, 20145
May 31, 20145
March 31, 20145
February 28, 20145
January 31, 20145
December 31, 20135
November 30, 20135
October 31, 20135
September 30, 20135
August 31, 20135
July 31, 20135
June 30, 20135
May 31, 20135
April 30, 20135
March 31, 20135
January 31, 20135
November 30, 20125
October 31, 20125
September 30, 20125
August 31, 20125
July 31, 20125
June 30, 20125
May 31, 20125
April 30, 20125
March 31, 20125
February 29, 20125
January 31, 20125
December 31, 20115
November 30, 20115
October 31, 20115
September 30, 20115
August 31, 20115
July 31, 20115
June 30, 20114
May 31, 20115
April 30, 20115
March 31, 20115
February 28, 20115
January 31, 20115
December 31, 20105
November 30, 20104
October 31, 20104
September 30, 20104
August 31, 20104
July 31, 20104
June 30, 20104
May 31, 20105
April 30, 20105
March 31, 20105
February 28, 20103
January 31, 20103
December 31, 20093
November 30, 20093
October 31, 20093
September 30, 20093
August 31, 20093
July 31, 20093
June 30, 20093
May 31, 20093
April 30, 20093
March 31, 20093
February 28, 20093
January 31, 20093
December 31, 20083
November 30, 20081
October 31, 20081
September 30, 20081
August 31, 20081
July 31, 20081
June 30, 20081
May 31, 20081
April 30, 20081
March 31, 20081
February 29, 20081
January 31, 20081
December 31, 20071
November 30, 20071
October 31, 20071
September 30, 20071
August 31, 20071
July 31, 20071
June 30, 20071
May 31, 20071
April 30, 20071
March 31, 20071
February 28, 20071
January 31, 20071
December 31, 20061
November 30, 20061
October 31, 20061
September 30, 20061
June 30, 20061
May 31, 20061
April 30, 20061
March 31, 20061
February 28, 20061
November 30, 20051
October 31, 20051
September 30, 20051
August 31, 20051
July 31, 20051
June 30, 20051
May 31, 20051
April 30, 20051
March 31, 20051
February 28, 20051
January 31, 20051
December 31, 20041
November 30, 20042
October 31, 20042
September 30, 20042
August 31, 20042
July 31, 20042
June 30, 20042
May 31, 20042
April 30, 20042
March 31, 20042
February 29, 20042

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Steve W. ChaddickN/A584,8750.5%2005-05-26
Jim HjartarsonN/A571,8800.49%2004-12-20
Gary B. SmithPRESIDENT, CEO559,0910.47%2015-08-13
Dr. Patrick H. Nettles,PhDDirector413,4090.35%2015-03-26
James E. Moylan,JrSVP Finance, CFO387,2270.33%2015-08-26
David M. RothensteinSr. VP, General Counsel248,7640.21%2015-08-17
Robert A. O'NeilSenior Vice President, DNG231,0120.2%2005-01-03
Philippe MorinSVP, Global Sales & Field Ops220,6590.19%2015-08-06
Dr. Arthur D. Smith,PhDN/A220,4600.19%2010-07-01
Mr. Francois Locoh-DonouSVP, Global Products Group174,9040.15%2015-07-17


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