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Rowan Companies PLC (RDC)Ownership Data

Short Interest History (%)

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

Date Short Interest
December 31, 201410.12
December 15, 201410.21
November 28, 20149.76
November 14, 20149.64
October 31, 20149.24
October 15, 20148.85
September 30, 20148.45
September 15, 20146.08
August 29, 20145.98
August 15, 20147.19
July 31, 20145.35
July 15, 20145.53
June 30, 20145.46
June 13, 20146.22
May 30, 20147.68
May 15, 20147.31
April 30, 20146.88
April 15, 20144.15
March 31, 20143.82
March 14, 20143.52
February 28, 20142.94
February 14, 20143.32
January 31, 20143.35
January 15, 20142.74
December 31, 20132.33
December 13, 20132.71
November 29, 20132.73
November 15, 20132.85
October 31, 20132.73
October 15, 20133.46
September 30, 20133.5
September 13, 20134.61
August 30, 20133.64
August 15, 20133.3
July 31, 20132.87
July 15, 20132.84
June 28, 20132.72
June 14, 20132.43
May 31, 20132.54
May 15, 20132.72
April 30, 20132.15
April 15, 20132.11
March 28, 20132.23
March 15, 20132.62
February 28, 20132.69
February 15, 20132.43
January 31, 20132.48
January 15, 20132.82
December 31, 20122.77
December 14, 20123.11
November 30, 20123.39
November 15, 20124.17
October 31, 20123.46
October 15, 20123.49
September 28, 20123.17
September 14, 20124.05
August 31, 20123.9
August 15, 20123.74
July 31, 20123.26
July 13, 20123.87
June 29, 20124.08
June 15, 20124.73
May 31, 20124.6
May 15, 20124.48
April 30, 20125.99
April 13, 20127.53
March 30, 20125.79
March 15, 20125.34
February 29, 20124.1
February 15, 20124.55
January 31, 20123.96
January 13, 20124.43
December 30, 20113.73
December 15, 20113.98
November 30, 20114.81
November 15, 20114.84
October 31, 20115.17
October 14, 20115.17
September 30, 20115.14
September 15, 20115.16
August 31, 20114.83
August 15, 20115.51
July 29, 20113.59
July 15, 20113.44
June 30, 20113.98
June 15, 20113.59
May 31, 20114.58
May 13, 20113.81
April 29, 20113.58
April 15, 20114.19
March 31, 20113.75
March 15, 20114.82
February 28, 20114.84
February 15, 20115.81
January 31, 20116.81
January 14, 20116.93
December 31, 20106.72
December 15, 20106.74
November 30, 20106.21
November 15, 20107.78
October 29, 20108.46
October 15, 20109.12
September 30, 20107.83
September 15, 20108.62
August 31, 20107.72
August 13, 20107.71
July 30, 20107.04
July 15, 20107.68
June 30, 20108.94
June 15, 201010.66
May 28, 201011.3
May 14, 201011.69
April 30, 201012.26
April 15, 201015.72
March 31, 201015.73
March 15, 201014.21
February 26, 201014.75
February 12, 201012.37
January 29, 201012.15
January 15, 201011.39
December 31, 200910.58
December 15, 20098.79
November 30, 20098.35
November 13, 20098.2
October 30, 20097.47
October 15, 20098.99
September 30, 20098.51
September 15, 20098.65
August 31, 20098.68
August 14, 20099.06
July 31, 20098.95
July 15, 200910.16
June 30, 20098.02
June 15, 20097.35
May 29, 20096.25
May 15, 20096.78
April 30, 20096.02
April 15, 20097.16
March 31, 20098.92
March 13, 200910.24
February 27, 20097.96
February 13, 20097.08
January 30, 20097.57
January 15, 20097.06
December 31, 20087.12
December 15, 20087.06
November 28, 20086.7
November 14, 20087.33
October 31, 20086.58
October 15, 20086.5
September 30, 20087.99
September 15, 20088.3
August 29, 20088.51
August 15, 20088.33
July 31, 20088.26
July 15, 200811.12
June 30, 200812.05
June 13, 200812.04
May 30, 200810.03
May 15, 200811.49
April 30, 200812.16
April 15, 200811.29
March 31, 200812.66
March 14, 200810.48
February 29, 200810.43
February 15, 200810.09
January 31, 20089.95
January 15, 20088.45
December 31, 20077.26
December 11, 20077.35
November 27, 20077.02
November 9, 20076.76
October 26, 20075.99
October 10, 20075.94
September 25, 20075.39
September 11, 20075.85
August 10, 20076.95
July 10, 20078.05
June 12, 20078.37
May 10, 20078.74
April 10, 20076.55
March 12, 20075.82
February 12, 20074.87
January 9, 20075.53
December 12, 20065.3
November 10, 20066.63
October 10, 20066.17
September 12, 20066.35
August 10, 20065.26
July 11, 20065.35
June 12, 20065.99
May 10, 20065.97
April 10, 20066.8
March 10, 20067.05
February 10, 20066.76
January 10, 20065.56
December 12, 20055.8
November 10, 20056.31
October 11, 20055.68
September 12, 20056.2
August 10, 20056.52
July 12, 20056.15
June 10, 20056.38
May 10, 20055.64
April 12, 20055.59
March 10, 20056.09
February 10, 20057.04
January 11, 20057.18
December 10, 20046.7
November 10, 20046.48
October 12, 20047.13
September 10, 20048.52
August 10, 20048.27
July 12, 200410.07
June 9, 20049.18
May 11, 20048.18
April 12, 20047.64
March 10, 20047.18
February 10, 20047.61
January 12, 20046.4
December 10, 20036.89
November 11, 20038.58
October 10, 200310.16
September 10, 20039.75
August 12, 20039.8
July 10, 20038.26
June 10, 20038.24
May 12, 20038.28
April 10, 20036.62
March 11, 20035.41
February 11, 20034.79
January 10, 20034.51
December 10, 20023.66
November 12, 20023.18
October 10, 20024.09
September 10, 20024.97
August 12, 20024.09
July 10, 20023.56
June 11, 20024.43
May 10, 20026.78
April 10, 20025.2
March 12, 20025.25
February 12, 20024.58
January 10, 20025.37
December 11, 20016.98
November 12, 20016.82
October 10, 20015.09
September 5, 20014.94
August 10, 20015.11
July 10, 20014.72
June 12, 20014.24
May 10, 20013.92
April 9, 20011.85
March 12, 20012.77
February 12, 20011.64
January 9, 20011.45
December 12, 20001.13
November 10, 20000.89
October 10, 20001.66
September 12, 20002.4
August 10, 20001.59
July 11, 20001.05
June 12, 20001.64
May 10, 20001.5
April 11, 20001.74
March 10, 20001.44
February 10, 20002.14
January 11, 20001.87
December 10, 19992.74
November 10, 19991.55
October 12, 19991.66
September 10, 19991.82
August 10, 19992.89
July 12, 19993.31
June 10, 19995.44
May 11, 19993.2
April 12, 19991.73
March 10, 19992.69
February 9, 19992.02
January 8, 19990.87
December 8, 19981.83
November 6, 19981.65
October 8, 19981.76
September 8, 19982.52
August 7, 19982.36
July 8, 19981.59
June 8, 19981.54
May 8, 19981.71
April 7, 19981.71
March 6, 19982.46
February 6, 19983.25
January 8, 19982.53
December 8, 19972.55
November 7, 19972.84
October 8, 19972.21
September 8, 19971.53
August 8, 19972.04
July 8, 19974.76
June 6, 19976.34
May 8, 19977.85
April 8, 19979.56
March 7, 19979.13
February 7, 19976.25
January 8, 19975.64
December 6, 19963.67
November 8, 19963.26
October 8, 19963.05
September 6, 19960.75
August 8, 19960.81
July 8, 19961.02
June 7, 19961.44
May 8, 19961.06
April 8, 19961.84
March 8, 19960.6
February 8, 19961.02
January 8, 19961.08
December 8, 19950.88
November 8, 19951.03
October 6, 19950.82
September 8, 19951.37
August 8, 19950.96
July 7, 19951.17
June 8, 19950.94
May 8, 19950.65
April 6, 19950.67
March 8, 19950.69
February 8, 19950.77
January 6, 19950.49

Institutional Ownership History (%)

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

Date Institutional Ownership
September 30, 201497
August 31, 201498
July 31, 201496
May 31, 201494
April 30, 201494
March 31, 2014100
December 31, 201399
November 30, 201391
October 31, 201391
September 30, 201391
August 31, 201391
July 31, 201391
June 30, 201393
May 31, 201391
April 30, 201390
March 31, 201388
February 28, 201389
January 31, 201391
December 31, 201287
November 30, 201287
October 31, 201284
September 30, 201278
August 31, 201281
July 31, 201281
June 30, 201288
May 31, 201288
April 30, 201288
March 31, 201286
February 29, 201286
January 31, 201287
December 31, 201188
November 30, 201188
October 31, 201188
September 30, 201187
August 31, 201187
July 31, 201189
June 30, 201190
May 31, 201191
April 30, 201189
March 31, 201191
February 28, 201191
January 31, 201187
December 31, 201084
November 30, 201091
October 31, 201096
September 30, 201098
August 31, 2010100
March 31, 2010100
February 28, 201099
October 31, 200991
September 30, 200987
August 31, 200987
July 31, 200983
June 30, 200988
May 31, 200988
April 30, 200983
March 31, 200982
February 28, 200988
January 31, 200985
December 31, 200882
November 30, 200887
October 31, 200894
September 30, 200890
August 31, 200890
July 31, 200890
June 30, 200899
May 31, 200899
April 30, 200899
March 31, 200895
February 29, 200895
January 31, 200895

Insider ownership (%)

This is the historical insider ownership of Rowan Companies 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, 20143
November 30, 20144
October 31, 20144
September 30, 20144
August 31, 20144
July 31, 20144
June 30, 20144
May 31, 20144
March 31, 20143
February 28, 20143
January 31, 20143
December 31, 20133
November 30, 20133
October 31, 20133
September 30, 20133
August 31, 20133
July 31, 20133
June 30, 20133
May 31, 20133
April 30, 20133
March 31, 20133
January 31, 20133
November 30, 20123
October 31, 20123
September 30, 20123
August 31, 20123
July 31, 20123
June 30, 20123
May 31, 20123
April 30, 20123
March 31, 20122
February 29, 20122
January 31, 20122
December 31, 20112
November 30, 20112
October 31, 20112
September 30, 20112
August 31, 20112
July 31, 20112
June 30, 20112
May 31, 20112
April 30, 20112
March 31, 20112
February 28, 20112
January 31, 20112
December 31, 20102
November 30, 20102
October 31, 20102
September 30, 20102
August 31, 20102
July 31, 20102
June 30, 20102
May 31, 20102
April 30, 20102
March 31, 20102
February 28, 20102
January 31, 20102
December 31, 20092
November 30, 20092
October 31, 20092
September 30, 20092
August 31, 20092
July 31, 20092
June 30, 20092
May 31, 20092
April 30, 20092
March 31, 20092
February 28, 20092
January 31, 20092
December 31, 20082
November 30, 20082
October 31, 20082
September 30, 20082
August 31, 20082
July 31, 20082
June 30, 20082
May 31, 20082
April 30, 20081
March 31, 20081
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
January 31, 20062
December 31, 20052
November 30, 20052
October 31, 20052
September 30, 20052
August 31, 20052
July 31, 20052
June 30, 20052
May 31, 20052
April 30, 20052
March 31, 20052
February 28, 20052
January 31, 20052
December 31, 20042
November 30, 20042
October 31, 20042
September 30, 20042
August 31, 20042
July 31, 20042
June 30, 20042
May 31, 20041
April 30, 20041
March 31, 20041
February 29, 20041

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
C. R. PalmerDirector1,079,8440.87%2005-12-12
W. Matt RallsN/A374,2990.3%2014-04-25
Yeargain Charles WesleyFormer director and consultant223,3170.18%2004-02-23
Mark A. KellerExecutive V.P. - Business Dev.207,1630.17%2014-06-10
E. E. ThieleSr. Vice President & Treasurer138,7640.11%2004-09-13
Mr. Thomas Peter BurkeN/A112,136less than 0.1%2014-04-25
David P. RussellExecutive V.P. - Drilling104,057less than 0.1%2011-05-05
John L. BuvensExecutive V.P. - Legal103,630less than 0.1%2014-10-15
C. W. JohnsonVice President100,635less than 0.1%2004-07-23
William C. ProvineVP - Investor Relations89,557less than 0.1%2008-12-31

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Blue Harbour Group, LP9,783,8122014-09-307.869.71247,628,000
Vanguard Group, Inc.7,701,5002014-09-306.180.02194,925,000
Sasco Capital Inc6,363,6602014-09-305.112.63161,064,000
Millennium Management LLC6,081,0782014-10-284.880.00153,912,084
First Pacific Advisors, LLC5,362,2002014-09-304.311.13135,717,000
Harris Associates L.P.4,021,9552014-12-313.230.1593,792,000
BlackRock Fund Advisors3,907,4032014-09-303.140.0398,896,000
State Street Corp3,447,2552014-09-302.770.0187,250,000
Magnetar Financial LLC3,429,1082014-09-302.751.7686,791,000
Fidelity International Ltd3,084,2342014-09-302.480.3078,062,000

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