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Seagate Technology PLC (STX) Ownership Data

Short Interest History (%)

This is the historical short interest of Seagate Technology PLC, as measured by the Short Percentage Of Float.

Date Short Interest
July 15, 20159.47
June 30, 20159.34
June 15, 20159.54
May 29, 20159.38
May 15, 20158.46
April 30, 20158.38
April 15, 20157.96
March 31, 20157.48
March 13, 20156.94
February 27, 20155.46
February 13, 20155.07
January 30, 20154.64
January 15, 20154.39
December 31, 20144.29
December 15, 20144.65
November 28, 20145.02
November 14, 20145.28
October 31, 20145.63
October 15, 20146.11
September 30, 20146.06
September 15, 20145.84
August 29, 20145.68
August 15, 20146.09
July 31, 20146.27
July 15, 20146.03
June 30, 20146.23
June 13, 20146.53
May 30, 20146.37
May 15, 20146.11
April 30, 20145.27
April 15, 20145.32
March 31, 20145.17
March 14, 20144.91
February 28, 20144.53
February 14, 20144.49
January 31, 20144.23
January 15, 20144.57
December 31, 20134.67
December 13, 20135.76
November 29, 20135.94
November 15, 20136.08
October 31, 20136.37
October 15, 20135.86
September 30, 20135.43
September 13, 20134.82
August 30, 20134.49
August 15, 20134.94
July 31, 20135.44
July 15, 20134.83
June 28, 20135.01
June 14, 20135.82
May 31, 20136.16
May 15, 20135.98
April 30, 20138.66
April 15, 20138.42
March 28, 20138.54
March 15, 20139.23
February 28, 20139.05
February 15, 20139.73
January 31, 201310.59
January 15, 201312.17
December 31, 201213.09
December 14, 201214.15
November 30, 201213.18
November 15, 201210.63
October 31, 20129.05
October 15, 20127.63
September 28, 20127.12
September 14, 20126.48
August 31, 20127.13
August 15, 20126.65
July 31, 20127.35
July 13, 20128.7
June 29, 20125.87
June 15, 20125.05
May 31, 20125.66
May 15, 20125.25
April 30, 20123.37
April 13, 20122.8
March 30, 20122.15
March 15, 20122.37
February 29, 20122.39
February 15, 20122.26
January 31, 20122.99
January 13, 20123.72
December 30, 20112.53
December 15, 20113.02
November 30, 20113.12
November 15, 20113.56
October 31, 20114.34
October 14, 20113.57
September 30, 20113.9
September 15, 20113.98
August 31, 20113.87
August 15, 20113.33
July 29, 20113.91
July 15, 20113.02
June 30, 20112.3
June 15, 20114.04
May 31, 20113.34
May 13, 20113.36
April 29, 20114.81
April 15, 20114.56
March 31, 20113.16
March 15, 20113.59
February 28, 20112.31
February 15, 20112.88
January 31, 20112.25
January 14, 20112.49
December 31, 20102.48
December 15, 20102.55
November 30, 20102.71
November 15, 20104.2
October 29, 20104.5
October 15, 20103.93
September 30, 20103.85
September 15, 20103.75
August 31, 20102.84
August 13, 20103.94
July 30, 20105.03
July 15, 20105.22
June 30, 20106.11
June 15, 20106.43
May 28, 20106.21
May 14, 20105.63
April 30, 20105.48
April 15, 20106.4
March 31, 20106.75
March 15, 20106.82
February 26, 20105.86
February 12, 20104.63
January 29, 20104.11
January 15, 20104.15
December 31, 20094.22
December 15, 20094.81
November 30, 20096.03
November 13, 20096.29
October 30, 20096.52
October 15, 20095.47
September 30, 20094.08
September 15, 20093.94
August 31, 20093.63
August 14, 20093.56
July 31, 20093.52
July 15, 20093.09
June 30, 20092.98
June 15, 20092.84
May 29, 20092.97
May 15, 20092.84
April 30, 20093.53
April 15, 20094.59
March 31, 20095.07
March 13, 20093.99
February 27, 20093.7
February 13, 20092.31
January 30, 20092.21
January 15, 20092.12
December 31, 20081.95
December 15, 20082.1
November 28, 20081.62
November 14, 20081.79
October 31, 20081.57
October 15, 20083.42
September 30, 20082.66
September 15, 20083.03
August 29, 20083.48
August 15, 20082.72
July 31, 20082.82
July 15, 20083.5
June 30, 20083.38
June 13, 20083.24
May 30, 20083.96
May 15, 20084.41
April 30, 20085
April 15, 20086.06
March 31, 20085.24
March 14, 20084.06
February 29, 20083.59
February 15, 20083.03
January 31, 20082.17
January 15, 20082.54
December 31, 20072.06
December 11, 20072.4
November 27, 20072.39
November 9, 20072.37
October 26, 20072.63
October 10, 20072.43
September 25, 20072.5
September 11, 20072.76
August 10, 20073.02
July 10, 20073.32
June 12, 20072.37
May 10, 20072.98
April 10, 20072.21
March 12, 20072.21
February 12, 20072.94
January 9, 20073.52
December 12, 20062.93
November 10, 20062.57
October 10, 20062.32
September 12, 20061.99
August 10, 20062.2
July 11, 20062.27
June 12, 20062.46
May 10, 20066.85
April 10, 20065.63
March 10, 20065.54
February 10, 20065.02
January 10, 20064.75
December 12, 20052.27
November 10, 20051.59
October 11, 20051.43
September 12, 20051.35
August 10, 20051.84
July 12, 20051.7
June 10, 20051.46
May 10, 20057.25
April 12, 20057.4
March 10, 20057.89
February 10, 20057.4
January 11, 20057.6
December 10, 20047.83
November 10, 20041.68
October 12, 20042.31
September 10, 20042.58
August 10, 20042.78
July 12, 20042.71
June 9, 20042.35
May 11, 20041.98
April 12, 20042.02
March 10, 20042.91
February 10, 20043.37
January 12, 20041.27
December 10, 20030.77
November 11, 20030.55
October 10, 20031.71
September 10, 20031.4
August 12, 20031.77
July 10, 20031.84
June 10, 20031.46
May 12, 20031.26
April 10, 20031.71
March 11, 20031.24
February 11, 20030.37
January 10, 20030.21

Institutional Ownership History (%)

This the Institutional Ownership History of Seagate Technology PLCPeter Lynch prefers to buy companies with low institutional ownership.

Date Institutional Ownership
March 31, 201590
December 31, 201492
September 30, 201489
June 30, 201489
March 31, 201490
December 31, 201392
September 30, 201380
June 30, 201380
March 31, 201382
December 31, 201286
September 30, 201282
June 30, 201280
March 31, 201279
December 31, 201190
September 30, 201187
June 30, 201185
March 31, 201180
December 31, 201086
September 30, 201083
June 30, 201083
March 31, 201089
September 30, 200992
June 30, 200993
December 31, 200888
September 30, 200888
June 30, 200895
March 31, 200895
December 31, 200790
September 30, 200789
June 30, 200792
March 31, 200793
December 31, 200695
September 30, 200686
June 30, 200682
March 31, 200683
December 31, 200566
September 30, 200562
June 30, 200550
March 31, 200547
December 31, 200445
September 30, 200442
June 30, 200433
March 31, 200431
December 31, 200332
September 30, 200335
June 30, 200323
March 31, 200320
December 31, 200217
December 31, 20005
September 30, 200010
June 30, 200010
March 31, 200010

Insider ownership (%)

This is the historical insider ownership of Seagate Technology PLC. 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
April 30, 20152
March 31, 20152
February 28, 20152
January 31, 20152
December 31, 20142
November 30, 20142
October 31, 20142
September 30, 20142
August 31, 20142
July 31, 20142
June 30, 20142
May 31, 20142
March 31, 20141
February 28, 20141
January 31, 20142
December 31, 20132
November 30, 20132
October 31, 20132
September 30, 20132
August 31, 20131
July 31, 20131
June 30, 20132
May 31, 20132
April 30, 20132
March 31, 20132
January 31, 20132
November 30, 20122
October 31, 20122
September 30, 20122
August 31, 20122
July 31, 20121
June 30, 20121
May 31, 20121
April 30, 20121
March 31, 20121
February 29, 20121
January 31, 20121
December 31, 20111
November 30, 20111
October 31, 20112
September 30, 20111
August 31, 20111
July 31, 20111
June 30, 20111
May 31, 20111
April 30, 20111
March 31, 20111
February 28, 20111
January 31, 20111
December 31, 20101
November 30, 20101
October 31, 20101
September 30, 20101
August 31, 20101
July 31, 20101
June 30, 20101
May 31, 20101
April 30, 20101
March 31, 20101
February 28, 20101
January 31, 20101
December 31, 20091
November 30, 20091
October 31, 20091
September 30, 20091
August 31, 20091
July 31, 20091
June 30, 20091
May 31, 20091
April 30, 20091
March 31, 20091
February 28, 20091
January 31, 20091
December 31, 20081
November 30, 20081
October 31, 20081
September 30, 20081
August 31, 20081
July 31, 20081
June 30, 20081
May 31, 20081
April 30, 20083
March 31, 20083
February 29, 20083
January 31, 20083
December 31, 20073
November 30, 20073
October 31, 20073
September 30, 20073
August 31, 20073
July 31, 20073
June 30, 20073
May 31, 20073
April 30, 20073
March 31, 20073
February 28, 20073
January 31, 20073
December 31, 20063
November 30, 20063
October 31, 20063
September 30, 20063
June 30, 20061
May 31, 20061
April 30, 20061
March 31, 20061
February 28, 20061
January 31, 20061
December 31, 20051
November 30, 20051
October 31, 20051
September 30, 20051

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
David F. MarquardtDirector1,196,6520.38%2009-11-30
Mark H. KryderSVP, CTO, Research886,1240.28%2007-05-01
William L. HudsonExecutive VP & General Counsel875,6920.28%2008-06-27
Mr. William D. WatkinsCEO806,9990.25%2009-01-30
Mr. Brian S. DexheimerEVP, Sales/Mktg Officer508,3310.16%2008-09-12
James M. Chirico,JrEVP Global Disc Storage Ops392,5710.12%2007-07-24
Andrew S. RappaportN/A340,7480.11%2006-06-30
David A. WickershamExecutive VP, COO, President194,857less than 0.1%2008-09-12
Mr. Kenneth M. MassaroniEVP,General Counsel, CAO127,569less than 0.1%2015-02-12
Mr. Stephen J. LuczoChairman and CEO112,130less than 0.1%2015-06-05

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
Fidelity Management and Research Company   Premium Plus31,012,5182015-03-319.450.221,613,582
Fidelity® Low-Priced Stock Fund28,513,2002015-04-308.983.661,674,295
ClearBridge Advisors, LLC   Premium Plus27,295,9942015-03-318.311.471,420,211
Vanguard Group, Inc.   Premium Plus26,226,7142015-03-317.990.091,364,576
State Street Corp   Premium Plus13,053,3482015-03-313.980.07679,161
Alken Asset Management   Premium Plus10,726,2442015-06-303.3829.93509,496
Alken Asset Management LLP10,509,2222014-12-313.225.81579,957
Legg Mason Partners Fund Advisor, LLC10,439,0452015-03-313.182.83543,144
ClearBridge Aggressive Growth Fund9,070,0502015-03-312.763.16471,915
Alken Fund European Opportunities8,525,6692014-04-302.616.14448,282

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