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Cardiovascular Systems Inc (CSII)Ownership Data

Short Interest History (%)

This is the historical short interest of Cardiovascular Systems Inc, as measured by the Short Percentage Of Float.

Date Short Interest
March 13, 20156.77
February 27, 20156.68
February 13, 20156.73
January 30, 20156.6
January 15, 20156.89
December 31, 20147.04
December 15, 20147.51
November 28, 20147.02
November 14, 20146.98
October 31, 20146.65
October 15, 20146.44
September 30, 20146.45
September 15, 20146.47
August 29, 20147.8
August 15, 20148.06
July 31, 20147.72
July 15, 20147.64
June 30, 20147.08
June 13, 20147.35
May 30, 20147.07
May 15, 20146.99
April 30, 20145.84
April 15, 20145.45
March 31, 20145.25
March 14, 20144.58
February 28, 20144.2
February 14, 20143.9
January 31, 20143.55
January 15, 20143.19
December 31, 20132.93
December 13, 20133.31
November 29, 20133.25
November 15, 20133.36
October 31, 20133.94
October 15, 20133.62
September 30, 20133.69
September 13, 20133.62
August 30, 20135.63
August 15, 20137.03
July 31, 20136.19
July 15, 20133.83
June 28, 20132.93
June 14, 20133.19
May 31, 20132.99
May 15, 20133.77
April 30, 20134.05
April 15, 20133.81
March 28, 20133.37
March 15, 20132.74
February 28, 20132.53
February 15, 20132.47
January 31, 20132.86
January 15, 20132.85
December 31, 20122.87
December 14, 20123.02
November 30, 20123.09
November 15, 20123.04
October 31, 20122.84
October 15, 20122.8
September 28, 20123.24
September 14, 20123.6
August 31, 20123.11
August 15, 20124.55
July 31, 20124.97
July 13, 20124.91
June 29, 20125.22
June 15, 20124.86
May 31, 20124.53
May 15, 20124.29
April 30, 20124.2
April 13, 20124.06
March 30, 20123.86
March 15, 20124.15
February 29, 20123.87
February 15, 20123.75
January 31, 20123.83
January 13, 20124.33
December 30, 20114.36
December 15, 20114.79
November 30, 20115.56
November 15, 20115.07
October 31, 20114.67
October 14, 20114.99
September 30, 20115.82
September 15, 20115.43
August 31, 20114.9
August 15, 20115.24
July 29, 20114.22
July 15, 20114.17
June 30, 20114.77
June 15, 20111.2
May 31, 20110.9
May 13, 20110.7
April 29, 20111.3
April 15, 20111.34
March 31, 20111.12
March 15, 20111.06
February 28, 20111.07
February 15, 20111.06
January 31, 20110.73
January 14, 20110.7
December 31, 20100.64
December 15, 20100.7
November 30, 20100.65
November 15, 20100.73
October 29, 20100.63
October 15, 20100.35
September 30, 20100.35
September 15, 20100.41
August 31, 20100.45
August 13, 20100.62
July 30, 20100.44
July 15, 20100.64
June 30, 20101.13
June 15, 20104.14
May 28, 20104.57
May 14, 20104.54
April 30, 20103.78
April 15, 20103.51
March 31, 20103.57
March 15, 20103.51
February 26, 20104.32
February 12, 20104.12
January 29, 20103.64
January 15, 20103.02
December 31, 20092.59
December 15, 20092.44
November 30, 20092.55
November 13, 20092.35
October 30, 20092.16
October 15, 20091.77
September 30, 20091.92
September 15, 200911.19
August 31, 200912.83
August 14, 200913.39
July 31, 200913.96
July 15, 200914.91
June 30, 20090.24
June 15, 20090.02
May 29, 20090.05
May 15, 20090.17
April 30, 20090.02
April 15, 20090.07
March 31, 20090.12
March 13, 20090.18
February 27, 20090.01
January 30, 20090.02
January 15, 20090.01
December 31, 20080.01
November 28, 20080.01
November 14, 20080.02
October 31, 20080.08
October 15, 20080.1
September 30, 20080.1
September 15, 20080.11
August 29, 20080.13
August 15, 20080.14
July 31, 20080.15
July 15, 20080.14
June 30, 20080.13
June 13, 20080.13
May 30, 20080.18
May 15, 20080.15
April 30, 20080.1
April 15, 20080.11
March 31, 20080.11
March 14, 20080.13
February 29, 20080.15
February 15, 20080.15
January 31, 20080.16
January 15, 20080.35
December 31, 20070.26
December 11, 20070.3
November 27, 20070.45
November 9, 20070.67
October 26, 20070.36
October 10, 20070.38
September 25, 20070.35
September 11, 20070.35
August 10, 20070.39
July 10, 20070.39
June 12, 20071.09
May 10, 20070.99
April 10, 20070.9
March 12, 20070.96
February 12, 20070.89
January 9, 20070.76
December 12, 20060.97
November 10, 20061.11
October 10, 20061.22
September 12, 20060.35
August 10, 20060.12
July 11, 20060.24

Institutional Ownership History (%)

This the Institutional Ownership History of Cardiovascular Systems IncPeter Lynch prefers to buy companies with low institutional ownership.

Date Institutional Ownership
February 28, 201577
January 31, 201575
December 31, 201472
November 30, 201472
October 31, 201472
September 30, 201471
August 31, 201467
July 31, 201470
June 30, 201465
May 31, 201465
April 30, 201465
March 31, 201465
February 28, 201467
January 31, 201467
December 31, 201363
November 30, 201359
October 31, 201359
September 30, 201359
August 31, 201360
July 31, 201362
June 30, 201358
May 31, 201356
April 30, 201356
March 31, 201323
February 28, 201349
January 31, 201348
December 31, 201249
November 30, 201248
October 31, 201246
September 30, 201246
August 31, 201254
July 31, 201254
June 30, 201254
May 31, 201246
April 30, 201246
March 31, 201249
February 29, 201251
January 31, 201254
December 31, 201157
November 30, 201157
October 31, 201157
September 30, 201147
August 31, 201143
July 31, 201136
June 30, 201131
May 31, 201127
April 30, 201125
March 31, 201124
February 28, 201123
January 31, 201123
December 31, 201020
November 30, 201020
October 31, 201022
September 30, 201022
August 31, 201023
July 31, 201027
June 30, 201028
May 31, 201028
April 30, 201031
March 31, 201031
February 28, 201033
January 31, 201031
October 31, 200928
September 30, 200922
August 31, 200923
July 31, 200916
June 30, 200919
May 31, 200920
April 30, 200998
March 31, 200970
February 28, 200926

Insider ownership (%)

This is the historical insider ownership of Cardiovascular Systems Inc. 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
February 28, 20157
January 31, 20157
December 31, 20147
November 30, 20147
October 31, 20147
September 30, 20147
August 31, 20147
July 31, 20147
June 30, 20147
May 31, 20147
March 31, 201413
February 28, 201413
January 31, 201413
December 31, 201313
November 30, 201313
October 31, 201313
September 30, 201313
August 31, 201313
July 31, 201313
June 30, 201313
May 31, 201313
April 30, 201312
March 31, 201312
January 31, 201313
November 30, 201213
October 31, 201213
September 30, 201213
August 31, 201213
July 31, 201212
June 30, 201212
May 31, 201212
April 30, 201212
March 31, 201212
February 29, 201212
January 31, 201212
December 31, 201112
November 30, 201112
October 31, 201112
September 30, 201111
August 31, 201112
July 31, 201112
June 30, 201112
May 31, 201112
April 30, 201112
March 31, 201112
February 28, 201112
January 31, 201112
December 31, 201012
November 30, 201012
October 31, 201012
September 30, 201012
August 31, 201013
July 31, 20109
June 30, 20109
May 31, 20109
April 30, 20109
March 31, 20109
February 28, 20106
January 31, 20106
December 31, 20096
November 30, 20096
October 31, 20096
September 30, 20096
August 31, 20096
July 31, 20096
June 30, 20094
May 31, 20094
April 30, 200921
March 31, 200918
February 28, 20094
January 31, 200922
December 31, 20082
November 30, 20081
October 31, 20081
September 30, 20081
August 31, 20081
July 31, 20081
June 30, 20081
May 31, 20081
April 30, 20084
March 31, 20084
February 29, 20084
January 31, 20084
December 31, 20074
November 30, 20074
October 31, 20074
September 30, 20074
August 31, 20074
July 31, 20074
June 30, 20074
May 31, 20074
April 30, 20074
March 31, 20074
February 28, 20074
January 31, 20074
December 31, 20064
November 30, 20064
October 31, 20064
September 30, 20064
June 30, 20064
May 31, 20064

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Dr. Glen D. Nelson,M.D.Director431,5881.37%2014-08-11
David L. MartinPresident and CEO367,4181.16%2015-02-25
Gary M. PetrucciDirector222,6860.7%2009-11-16
Laurence L. BetterleyCFO163,5000.52%2015-02-26
James E. FlahertyChief Administrative Officer114,1770.36%2014-05-01
Robert J. ThatcherChief Healthcare Policy Off'r99,9800.32%2014-09-03
Mr. Kevin J. KennyCOO70,3750.22%2015-02-27
Paul KoehnSVP Quality & Operations64,7630.2%2014-11-17
Scott KrausVP Sales63,8710.2%2011-07-19
Brian DoughtyVP of Commerical Operations58,9140.19%2011-05-12

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Consonance Capital Management LP2,135,2002014-12-316.768.2764,227,000
Waddell & Reed Investment Management Co1,982,9422014-12-316.280.0859,647,000
Next Century Growth Investors LLC1,338,7872014-12-314.241.4540,270,000
Wells Capital Management Inc.1,062,6742014-12-313.370.0531,965,000
AllianceBernstein LP1,050,9492014-12-313.330.0331,613,000
MFS Investment Management K.K.1,000,2922014-12-313.170.0230,088,784
AZ InvestEd Ivy Science & Tech Fund917,6422014-12-312.910.4627,602,671
Vanguard Group, Inc.902,8722014-12-312.860.0027,158,000
BlackRock Fund Advisors865,7262014-12-312.740.0126,041,000
First Manhattan Company863,4272014-02-122.880.0029,287,444

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