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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
January 15, 201611.22
December 31, 201510.76
December 15, 201511.11
November 30, 201510.26
November 13, 201511.45
October 30, 201511.5
October 15, 201512.13
September 30, 201512.61
September 15, 201513.52
August 31, 201514.22
August 14, 201510.92
July 31, 201510.81
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
September 30, 201598.26
June 30, 201596.93
March 31, 201590.69
December 31, 201494.16
September 30, 201494.47
June 30, 201495.21
March 31, 201492.24
December 31, 201395.29
September 30, 201380.88
June 30, 201382.11
March 31, 201385.15
December 31, 201288.16
September 30, 201281.33
June 30, 201278.41
March 31, 201279.16
December 31, 201188.42
September 30, 201185.49
June 30, 201184.51
March 31, 201179.59
December 31, 201085.22
September 30, 201082.4
June 30, 201083.31
March 31, 201088.82
December 31, 20092.49
September 30, 200992.33
June 30, 200992.54
December 31, 200887.97
September 30, 200888.07
June 30, 200894.7
March 31, 200894.51
December 31, 200790.36
September 30, 200788.43
June 30, 200791.93
March 31, 200792.89
December 31, 200694.99
September 30, 200685.97
June 30, 200681.47
March 31, 200683.04
December 31, 200566.38
September 30, 200562.33
June 30, 200550.02
March 31, 200546.55
December 31, 200445.34
September 30, 200442.25
June 30, 200433.84
March 31, 200430.71
December 31, 200331.68
September 30, 200335.36
June 30, 200323.14
March 31, 200319.68
December 31, 200217.4
December 31, 20004.82
September 30, 200010.1
June 30, 20009.97
March 31, 200010.05

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
December 31, 20152.05
November 30, 20152.05
October 31, 20152.05
September 30, 20152.15
August 31, 20152.01
July 31, 20152.01
June 30, 20151.97
May 31, 20151.97
April 30, 20151.97
March 31, 20151.92
February 28, 20151.92
January 31, 20151.92
December 31, 20141.99
November 30, 20141.95
October 31, 20142.04
September 30, 20142.2
August 31, 20141.94
July 31, 20141.94
June 30, 20141.87
May 31, 20141.87
March 31, 20141.45
February 28, 20141.45
January 31, 20141.55
December 31, 20131.55
November 30, 20131.55
October 31, 20131.55
September 30, 20131.59
August 31, 20131.47
July 31, 20131.47
June 30, 20131.54
May 31, 20131.53
April 30, 20131.53
March 31, 20131.54
January 31, 20131.54
November 30, 20121.54
October 31, 20121.54
September 30, 20121.52
August 31, 20121.62
July 31, 20121.5
June 30, 20121.44
May 31, 20121.44
April 30, 20121.47
March 31, 20121.49
February 29, 20121.49
January 31, 20121.49
December 31, 20111.49
November 30, 20111.49
October 31, 20111.56
September 30, 20111.42
August 31, 20111.42
July 31, 20111.34
June 30, 20111.34
May 31, 20111.34
April 30, 20111.34
March 31, 20111.29
February 28, 20111.31
January 31, 20111.31
December 31, 20101.23
November 30, 20101.23
October 31, 20101.26
September 30, 20101.26
August 31, 20101.26
July 31, 20101.22
June 30, 20101.22
May 31, 20101.22
April 30, 20101.22
March 31, 20101.2
February 28, 20101.21
January 31, 20101.21
December 31, 20091.21
November 30, 20091.21
October 31, 20091.25
September 30, 20091.27
August 31, 20091.27
July 31, 20091.28
June 30, 20091.28
May 31, 20091.28
April 30, 20091.28
March 31, 20091.28
February 28, 20091.28
January 31, 20091.28
December 31, 20081.25
November 30, 20081.25
October 31, 20081.25
September 30, 20081.25
August 31, 20081.23
July 31, 20081.34
June 30, 20081.34
May 31, 20081.34
April 30, 20082.76
March 31, 20082.55
February 29, 20082.54
January 31, 20082.54
December 31, 20072.54
November 30, 20072.52
October 31, 20072.57
September 30, 20072.65
August 31, 20072.91
July 31, 20072.66
June 30, 20072.65
May 31, 20072.67
April 30, 20072.67
March 31, 20072.67
February 28, 20072.65
January 31, 20072.54
December 31, 20062.59
November 30, 20062.66
October 31, 20062.68
September 30, 20062.81
June 30, 20060.68
May 31, 20060.68
April 30, 20060.68
March 31, 20060.65
February 28, 20060.66
January 31, 20060.66
December 31, 20050.56
November 30, 20050.67
October 31, 20050.68
September 30, 20050.68
August 31, 20050.49
July 31, 20050.21
June 30, 20050.25
May 31, 20050.25
April 30, 20050.25
March 31, 20050.25
February 28, 20050.25
January 31, 20050.25
December 31, 20040.22
November 30, 20040.2
October 31, 20040.17
September 30, 20040.17
August 31, 20040.17
July 31, 20040.17
June 30, 20040.15
May 31, 20040.15
April 30, 20040.15
March 31, 20040.16
February 29, 20040.16

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
David F. MarquardtDirector1,196,6520.4%2009-11-30
Mark H. KryderSVP, CTO, Research886,1240.3%2007-05-01
William L. HudsonExecutive VP & General Counsel875,6920.3%2008-06-27
Mr. William D. WatkinsCEO806,9990.27%2009-01-30
Mr. Brian S. DexheimerEVP, Sales/Mktg Officer508,3310.17%2008-09-12
James M. Chirico,JrEVP Global Disc Storage Ops392,5710.13%2007-07-24
Andrew S. RappaportN/A340,7480.11%2006-06-30
Mr. Stephen J. LuczoChairman and CEO216,065less than 0.1%2015-09-10
David A. WickershamExecutive VP, COO, President194,857less than 0.1%2008-09-12
Mr. Kenneth M. MassaroniEVP,General Counsel, CAO158,069less than 0.1%2015-07-21

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
Fidelity Management and Research Company   Premium Plus37,314,5112015-09-3012.350.251,671,691
ClearBridge Advisors, LLC   Premium Plus31,060,5062015-09-3010.281.641,391,511
Fidelity® Low-Priced Stock Fund27,547,7002015-10-319.212.491,048,465
Vanguard Group Inc   Premium Plus25,103,2712015-09-308.310.081,124,627
Legg Mason Partners Fund Advisor, LLC12,049,6242016-01-254.032.55441,739
State Street Corp   Premium Plus11,775,6552015-09-303.900.06527,546
Alken Asset Management   Premium Plus11,617,7512015-09-303.8530.62520,475
ClearBridge Aggressive Growth Fund10,624,5112015-12-313.552.89389,495
T. Rowe Price Associates, Inc.   Premium Plus8,794,3862015-09-302.910.09393,988
Epoch Investment Partners Inc   Premium Plus7,640,4062015-09-302.531.32342,290

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