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Platinum Underwriters Holdings Ltd (PTP) Ownership Data

Short Interest History (%)

This is the historical short interest of Platinum Underwriters Holdings Ltd, as measured by the Short Percentage Of Float.

Date Short Interest
February 13, 20151.66
January 30, 20151.81
January 15, 20151.36
December 31, 20141.34
December 15, 20141.91
November 28, 20142.57
November 14, 20142.96
October 31, 20143.24
October 15, 20142.55
September 30, 20142.55
September 15, 20142.55
August 29, 20142.07
August 15, 20141.94
July 31, 20142.62
July 15, 20142.7
June 30, 20142.94
June 13, 20142.83
May 30, 20142.71
May 15, 20142.54
April 30, 20142.31
April 15, 20142.58
March 31, 20142.73
March 14, 20142.67
February 28, 20142.41
February 14, 20142.18
January 31, 20141.81
January 15, 20141.63
December 31, 20131.45
December 13, 20131.8
November 29, 20132.11
November 15, 20132.24
October 31, 20132.4
October 15, 20132.51
September 30, 20132.9
September 13, 20132.81
August 30, 20132.55
August 15, 20132.35
July 31, 20132.3
July 15, 20133.44
June 28, 20134.91
June 14, 20135.05
May 31, 20135.08
May 15, 20134.75
April 30, 20134.68
April 15, 20134.55
March 28, 20134.59
March 15, 20134.96
February 28, 20134.4
February 15, 20133.37
January 31, 20133.09
January 15, 20133.48
December 31, 20123.67
December 14, 20124.02
November 30, 20124.42
November 15, 20123.99
October 31, 20123.99
October 15, 20123.89
September 28, 20124.2
September 14, 20124.89
August 31, 20124.54
August 15, 20124.53
July 31, 20124.71
July 13, 20124.99
June 29, 20125.3
June 15, 20125.58
May 31, 20125
May 15, 20125.24
April 30, 20124.57
April 13, 20124.86
March 30, 20125
March 15, 20125.6
February 29, 20125.18
February 15, 20124.77
January 31, 20125.31
January 13, 20125.6
December 30, 20115.62
December 15, 20115.83
November 30, 20116.02
November 15, 20116.31
October 31, 20116.54
October 14, 20117.01
September 30, 20117.28
September 15, 20117.11
August 31, 20116.69
August 15, 20116.53
July 29, 20115.8
July 15, 20114.78
June 30, 20114.9
June 15, 20115.08
May 31, 20114.87
May 13, 20114.57
April 29, 20114.7
April 15, 20114.35
March 31, 20114.2
March 15, 20113.54
February 28, 20115.9
February 15, 20114.19
January 31, 20113.92
January 14, 20113.51
December 31, 20103.03
December 15, 20103.18
November 30, 20103.31
November 15, 20103.16
October 29, 20103.34
October 15, 20104.87
September 30, 20106.32
September 15, 20106.39
August 31, 20106.2
August 13, 20105.45
July 30, 20106.13
July 15, 20105.33
June 30, 20104.65
June 15, 20104.42
May 28, 20104.68
May 14, 20103.94
April 30, 20103.23
April 15, 20103.28
March 31, 20102.98
March 15, 20102.77
February 26, 20102.83
February 12, 20102.92
January 29, 20102.92
January 15, 20102.86
December 31, 20093.13
December 15, 20092.37
November 30, 20092.72
November 13, 20092.74
October 30, 20092.15
October 15, 20091.7
September 30, 20091.54
September 15, 20091.62
August 31, 20092.28
August 14, 20092.27
July 31, 20091.88
July 15, 20092.22
June 30, 20092.56
June 15, 20092.48
May 29, 20092.73
May 15, 20093.36
April 30, 20093.45
April 15, 20094
March 31, 20094.13
March 13, 20097.09
February 27, 20095.73
February 13, 20098.93
January 30, 20097.32
January 15, 20096.09
December 31, 20086.5
December 15, 20086.07
November 28, 20086.45
November 14, 20086.34
October 31, 20086.99
October 15, 20086.3
September 30, 20087.36
September 15, 20087.81
August 29, 20088.24
August 15, 20088.43
July 31, 20088.98
July 15, 20089.65
June 30, 20089.56
June 13, 20089.3
May 30, 20088.72
May 15, 20088.71
April 30, 20088.45
April 15, 20088.73
March 31, 20088.48
March 14, 20088.75
February 29, 20088.82
February 15, 20088.42
January 31, 20087.41
January 15, 20086.73
December 31, 20075.46
December 11, 20075.81
November 27, 20076.31
November 9, 20076.24
October 26, 20075.67
October 10, 20075.7
September 25, 20076.07
September 11, 20076.35
August 10, 20077.53
July 10, 20077.09
June 12, 20071.15
May 10, 20071.27
April 10, 20071.04
March 12, 20071.14
February 12, 20071
January 9, 20071.22
December 12, 20061.19
November 10, 20061.14
October 10, 20061.45
September 12, 20061.22
August 10, 20062.11
July 11, 20062.81
June 12, 20063
May 10, 20062.66
April 10, 20062.59
March 10, 20062.54
February 10, 20063
January 10, 20062.87
December 12, 20053
November 10, 20052.04
October 11, 20052.11
September 12, 20057.26
August 10, 20053.74
July 12, 20053.37
June 10, 20053.59
May 10, 20054.28
April 12, 20053.1
March 10, 20053.89
February 10, 20054.15
January 11, 20053.25
December 10, 20043.23
November 10, 20043.09
October 12, 20043.33
September 10, 20043.35
August 10, 20043.59
July 12, 20043.64
June 9, 20044.17
May 11, 20044.3
April 12, 20044.28
March 10, 20044.57
February 10, 20044.5
January 12, 20044.4
December 10, 20034.44
November 11, 20034.5
October 10, 20034.08
September 10, 20034.75
August 12, 20035.06
July 10, 20034.92
June 10, 20035.66
May 12, 20034.93
April 10, 20034.66
March 11, 20034.81
February 11, 20034.92
January 10, 20035.36

Institutional Ownership History (%)

This the Institutional Ownership History of Platinum Underwriters Holdings LtdPeter Lynch prefers to buy companies with low institutional ownership.

Date Institutional Ownership
January 31, 201598
May 31, 2013100
March 31, 20137
October 31, 201299
September 30, 2012100
August 31, 2012100
July 31, 2012100
April 30, 200996

Insider ownership (%)

This is the historical insider ownership of Platinum Underwriters Holdings Ltd. 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
January 31, 20154
December 31, 20144
November 30, 20144
October 31, 20144
September 30, 20144
August 31, 20144
July 31, 20144
June 30, 20143
May 31, 20143
March 31, 20142
February 28, 20142
January 31, 20142
December 31, 20132
November 30, 20132
October 31, 20132
September 30, 20132
August 31, 20132
July 31, 20132
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, 20123
February 29, 20123
January 31, 20123
December 31, 20113
November 30, 20113
October 31, 20113
September 30, 20113
August 31, 20113
July 31, 20113
June 30, 20113
May 31, 20113
April 30, 20113
March 31, 20113
February 28, 20113
January 31, 20113
December 31, 20103
November 30, 20103
October 31, 20103
September 30, 20103
August 31, 20103
July 31, 20103
June 30, 20103
May 31, 20103
April 30, 20103
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, 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
January 31, 20061
December 31, 20051
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, 20041
October 31, 20041
September 30, 20041
August 31, 20041
July 31, 20041
June 30, 20041

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Robert S. PorterCEO - Platinum Bermuda189,9350.76%2014-07-22
Michael D. PricePresident and CEO, Director139,8370.56%2014-12-31
Steven H. NewmanDirector90,4180.36%2008-01-02
Dan R. CarmichaelDirector75,4440.3%2014-04-22
Michael E. LombardozziPres, CEO & CLO - PASI69,1790.28%2014-07-22
H. Elizabeth MitchellPresident & CEO - Platinum US67,5610.27%2014-07-22
Allan Carl DecleirEVP & CFO67,5150.27%2015-02-14
James A. KrantzN/A67,3660.27%2010-02-21
Kenneth A. KurtzmanEVP, CRO & IR DIR - PASI44,9720.18%2015-02-16
Neal J. SchmidtEVP and Chief Actuary - PASI35,7230.14%2015-02-16


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