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WR Berkley Corp (WRB) Ownership Data

Short Interest History (%)

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

Date Short Interest
July 15, 20155.71
June 30, 20155.81
June 15, 20155.41
May 29, 20155.31
May 15, 20155.07
April 30, 20154.73
April 15, 20155.13
March 31, 20154.17
March 13, 20154.84
February 27, 20154.33
February 13, 20154.34
January 30, 20153.09
January 15, 20153.13
December 31, 20143.53
December 15, 20143.66
November 28, 20143.32
November 14, 20143.18
October 31, 20143.16
October 15, 20142.63
September 30, 20142.57
September 15, 20142.58
August 29, 20142.68
August 15, 20142.76
July 31, 20142.22
July 15, 20142.17
June 30, 20142.13
June 13, 20142.17
May 30, 20142.25
May 15, 20142.42
April 30, 20142.5
April 15, 20142.43
March 31, 20142.65
March 14, 20142.95
February 28, 20142.78
February 14, 20142.25
January 31, 20141.88
January 15, 20141.7
December 31, 20131.7
December 13, 20131.28
November 29, 20131.12
November 15, 20131.08
October 31, 20131.25
October 15, 20131.19
September 30, 20131.26
September 13, 20131.22
August 30, 20131.31
August 15, 20131.28
July 31, 20131.16
July 15, 20132.13
June 28, 20132.28
June 14, 20132.27
May 31, 20132.95
May 15, 20133
April 30, 20132.82
April 15, 20132.94
March 28, 20132.87
March 15, 20132.88
February 28, 20133.01
February 15, 20132.98
January 31, 20133.23
January 15, 20133.8
December 31, 20123.69
December 14, 20123.96
November 30, 20124.32
November 15, 20124.21
October 31, 20123.72
October 15, 20123.76
September 28, 20124.04
September 14, 20124.27
August 31, 20124.12
August 15, 20124.17
July 31, 20123.69
July 13, 20123.32
June 29, 20123.45
June 15, 20123.92
May 31, 20124.17
May 15, 20123.77
April 30, 20123.22
April 13, 20123.09
March 30, 20123.09
March 15, 20123.16
February 29, 20123.52
February 15, 20123.26
January 31, 20123.16
January 13, 20123.77
December 30, 20113.66
December 15, 20114.43
November 30, 20115.3
November 15, 20115.85
October 31, 20116.08
October 14, 20115.73
September 30, 20116.2
September 15, 20116.4
August 31, 20116.22
August 15, 20116.6
July 29, 20115.83
July 15, 20116.31
June 30, 20116.49
June 15, 20116.25
May 31, 20116.75
May 13, 20116.81
April 29, 20117.07
April 15, 20117.67
March 31, 20118.29
March 15, 20118.14
February 28, 20118.61
February 15, 20119.27
January 31, 201111
January 14, 201110.17
December 31, 20109.6
December 15, 20108.97
November 30, 20108.36
November 15, 20107.63
October 29, 20107.01
October 15, 20107.73
September 30, 20108.87
September 15, 20109.7
August 31, 20109.96
August 13, 20109.65
July 30, 20109.29
July 15, 20109.2
June 30, 20109.3
June 15, 201010.57
May 28, 201010.37
May 14, 201010.08
April 30, 20107.94
April 15, 20106.62
March 31, 20106.41
March 15, 20104.49
February 26, 20104.1
February 12, 20104.06
January 29, 20104.32
January 15, 20104.34
December 31, 20093.46
December 15, 20093.87
November 30, 20093.63
November 13, 20093.57
October 30, 20093
October 15, 20093.26
September 30, 20092.9
September 15, 20092.95
August 31, 20092.77
August 14, 20092.36
July 31, 20091.91
July 15, 20092.12
June 30, 20092.2
June 15, 20092.51
May 29, 20092.75
May 15, 20092.94
April 30, 20091.8
April 15, 20091.9
March 31, 20091.73
March 13, 20091.96
February 27, 20091.25
February 13, 20091.38
January 30, 20092.01
January 15, 20091.95
December 31, 20082.49
December 15, 20082.93
November 28, 20083.78
November 14, 20082.52
October 31, 20081.87
October 15, 20081.2
September 30, 20081.31
September 15, 20081.92
August 29, 20081.78
August 15, 20081.53
July 15, 20081.87
December 11, 20070.71
November 27, 20070.74
November 9, 20070.69
October 26, 20070.55
October 10, 20070.46
September 25, 20070.46
September 11, 20070.48
August 10, 20070.49
July 10, 20070.54
June 12, 20070.56
May 10, 20070.53
April 10, 20070.58
March 12, 20070.74
February 12, 20070.58
January 9, 20071.19
December 12, 20061.49
November 10, 20061.48
October 10, 20061.63
September 12, 20061.15
August 10, 20061.21
July 11, 20060.9
June 12, 20060.78
May 10, 20061.01
April 10, 20061.17
March 10, 20061.03
February 10, 20060.63
January 10, 20061.03
December 12, 20050.81
November 10, 20050.75
October 11, 20050.84
September 12, 20051.01
August 10, 20050.85
July 12, 20050.93
June 10, 20051.06
May 10, 20050.97
April 12, 20051.32
March 10, 20051.27
February 10, 20051.53
January 11, 20051.46
December 10, 20041.02
November 10, 20041.2
October 12, 20041.13
September 10, 20041.22
August 10, 20041.51
July 12, 20040.79
June 9, 20040.81
May 11, 20040.71
April 12, 20040.87
March 10, 20041.03
February 10, 20040.74
January 12, 20040.71
December 10, 20030.18
November 11, 20030.45
October 10, 20031.38
September 10, 20031.39
August 12, 20031.29
July 10, 20031.78
June 10, 20031.58
May 12, 20031.75
April 10, 20030.84
March 11, 20031.15
February 11, 20031.09
January 10, 20030.9
December 10, 20021.11
November 12, 20021.05
October 10, 20020.57
September 10, 20020.61
August 12, 20020.75
July 10, 20020.99
June 11, 20021.25
May 10, 20021.16
April 10, 20021.34
March 12, 20021.4
February 12, 20021.55
January 10, 20021.21
December 11, 20011.55
November 12, 20011.75
October 10, 20011.58
September 5, 20010.77
August 10, 20010.87
July 10, 20010.55
June 12, 20010.41
May 10, 20010.22
April 9, 20011.59
March 12, 20011.62
February 12, 20012.03
January 9, 20012.99
December 12, 20002.72
November 10, 20002.63
October 10, 20002.57
September 12, 20002.32
August 10, 20001.52
July 11, 20001.07
June 12, 20001.22
May 10, 20002.07
April 11, 20002.41
March 10, 20001.61
February 10, 20001.38
January 11, 20001.12
December 10, 19990.95
November 10, 19991.16
October 12, 19991.28
September 10, 19990.82
August 10, 19990.79
July 12, 19990.69
June 10, 19990.56
May 11, 19990.76
April 12, 19990.69
March 10, 19990.6
February 9, 19990.49
January 8, 19990.46
December 8, 19980.55
November 6, 19980.65
October 8, 19980.59
September 8, 19980.56
August 7, 19980.59
July 8, 19980.53
June 8, 19981.79
May 8, 19982.51
April 7, 19983.63
March 6, 19980.18
February 6, 19980.21
January 8, 19980.25
December 8, 19970.33
November 7, 19970.35
October 8, 19970.71
September 8, 19970.17
August 8, 19970.2
July 8, 19970.23
June 6, 19970.28
May 8, 19970.1
April 8, 19970.15
March 7, 19970.41
February 7, 19970.07
January 8, 19970.31
December 6, 19960.4
November 8, 19960.44
October 8, 19960.4
September 6, 19960.36
August 8, 19960.46
July 8, 19960.33
June 7, 19960.4
May 8, 19960.69
April 8, 19960.42
March 8, 19960.41
February 8, 19960.42
January 8, 19960.34
December 8, 19950.23
November 8, 19950.23
October 6, 19950.4
September 8, 19950.4
August 8, 19950.32
July 7, 19950.37
June 8, 19950.52
May 8, 19950.44
April 6, 19950.47
March 8, 19950.64
February 8, 19950.62
January 6, 19951.26

Institutional Ownership History (%)

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

Date Institutional Ownership
June 30, 201580
March 31, 201572
December 31, 201482
September 30, 201472
June 30, 201471
March 31, 201471
December 31, 201382
September 30, 201372
June 30, 201373
March 31, 201374
December 31, 201281
September 30, 201277
June 30, 201276
March 31, 201275
December 31, 201178
September 30, 201180
June 30, 201179
March 31, 201180
December 31, 201085
September 30, 201079
June 30, 201080
March 31, 201076
December 31, 200983
September 30, 200977
June 30, 200978
March 31, 200987
December 31, 200881
September 30, 200875
June 30, 200874
March 31, 200876
December 31, 200780
September 30, 200774
June 30, 200782
March 31, 200780
December 31, 200677
September 30, 200679
June 30, 200680
March 31, 200677
December 31, 200577
September 30, 200576
June 30, 200578
March 31, 200577
December 31, 200479
September 30, 200482
June 30, 200481
March 31, 200480
December 31, 200382
September 30, 200386
June 30, 200387
March 31, 200385
December 31, 200296
September 30, 200270
June 30, 200283
March 31, 200284
December 31, 200181
September 30, 200179
June 30, 200176
March 31, 200179
December 31, 200074
September 30, 200072
June 30, 200070
March 31, 200077

Insider ownership (%)

This is the historical insider ownership of WR Berkley 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
April 30, 20157
March 31, 20157
February 28, 20157
January 31, 20157
December 31, 20148
November 30, 20147
October 31, 20147
September 30, 20147
August 31, 20147
July 31, 20147
June 30, 20147
May 31, 20147
March 31, 20147
February 28, 20147
January 31, 20147
December 31, 20137
November 30, 20137
October 31, 20137
September 30, 20137
August 31, 20137
July 31, 20137
June 30, 20137
May 31, 20137
April 30, 20137
March 31, 20137
January 31, 20137
November 30, 20127
October 31, 20127
September 30, 20127
August 31, 20127
July 31, 20127
June 30, 20127
May 31, 20127
April 30, 20126
March 31, 20126
February 29, 20126
January 31, 20126
December 31, 20116
November 30, 20116
October 31, 20116
September 30, 20116
August 31, 20116
July 31, 20116
June 30, 20116
May 31, 20116
April 30, 20116
March 31, 20116
February 28, 20117
January 31, 20117
December 31, 20107
November 30, 20106
October 31, 20106
September 30, 20106
August 31, 20106
July 31, 20106
June 30, 20106
May 31, 20106
April 30, 20105
March 31, 20105
February 28, 20105
January 31, 20105
December 31, 20095
November 30, 20096
October 31, 20096
September 30, 20096
August 31, 20096
July 31, 20096
June 30, 20096
May 31, 20096
April 30, 20098
March 31, 20098
February 28, 20098
January 31, 20098
December 31, 20088
November 30, 20088
October 31, 20087
September 30, 20087
August 31, 20087
July 31, 20087
June 30, 20087
May 31, 20087
April 30, 200815
March 31, 200814
February 29, 200814
January 31, 200814
December 31, 200713
November 30, 200713
October 31, 200713
September 30, 200713
August 31, 200713
July 31, 200713
June 30, 200713
May 31, 200713
April 30, 200713
March 31, 200713
February 28, 200713
January 31, 200713
December 31, 200612
November 30, 200612
October 31, 200612
September 30, 200612
June 30, 200612
May 31, 200612
April 30, 200612
March 31, 200612
February 28, 200612
January 31, 200612
December 31, 200512
November 30, 200512
October 31, 200512
September 30, 200511
August 31, 200511
July 31, 200511
June 30, 200511
May 31, 200511
April 30, 200511
March 31, 200511
February 28, 200512
January 31, 200512
December 31, 200412
November 30, 200412
October 31, 200412
September 30, 200412
August 31, 200412
July 31, 200412
June 30, 200412
May 31, 200412
April 30, 200412
March 31, 200411
February 29, 200412

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Mr. William R. BerkleyN/A3,958,8263.17%2015-06-02
Mr. William Robert Berkley,JrN/A959,1180.77%2015-06-02
James G. ShielSVP - Investments267,8880.21%2015-03-02
Eugene G. BallardSr.V.P.- CFO252,4310.2%2015-03-02
Robert P. ColeSVP - Regional Operations217,6690.17%2010-03-02
Ira S. LedermanSVP, General Counsel & Sec.149,6950.12%2015-03-02
Clement P. PatafioVP - Corporate Controller126,6280.1%2012-12-17
Paul J. HancockSVP - Chief Corporate Actuary103,062less than 0.1%2010-03-02
Mr. Jack H. NusbaumN/A86,825less than 0.1%2015-06-02
Robert C. HewittN/A85,000less than 0.1%2010-03-02

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
Eagle Capital Management LLC   Premium Plus10,701,3072015-03-318.572.01540,523
Vanguard Group, Inc.   Premium Plus7,222,0612015-03-315.780.02364,786
Arnhold & S. Bleichroeder Advisers, LLC Premium6,869,8262015-03-315.500.83346,995
First Eagle Global Fund4,386,0512015-04-303.510.42214,873
Robeco Investment Management, Inc.   Premium Plus4,203,0142015-03-313.360.32212,294
State Street Corp   Premium Plus3,815,9802015-03-313.050.02192,742
BlackRock Fund Advisors   Premium Plus3,707,4102015-03-312.970.04187,261
Jennison Associates LLC   Premium Plus3,554,7562015-03-312.850.16179,551
Berkley Insurance Company3,543,7502014-12-312.801.40181,653
Berkley Regional Insurance Company3,357,9552014-12-312.6521.15172,129

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