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GenMark Diagnostics Inc (GNMK)Ownership Data

Short Interest History (%)

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

Date Short Interest
March 31, 201515.17
March 13, 201515.12
February 27, 201514.9
February 13, 201514.45
January 30, 201514.44
January 15, 201515.12
December 31, 201415.13
December 15, 201416.2
November 28, 201416.68
November 14, 201417.44
October 31, 201423.34
October 15, 201423.49
September 30, 201423.08
September 15, 201421.35
August 29, 201416.03
August 15, 201416.25
July 31, 201421.63
July 15, 201421.47
June 30, 201415.9
June 13, 201415.69
May 30, 201415
May 15, 201414.82
April 30, 201414.79
April 15, 201414.63
March 31, 201419.51
March 14, 201418.9
February 28, 201424.99
February 14, 201424.52
January 31, 201423.71
January 15, 201422.66
December 31, 201322.28
December 13, 201322.61
November 29, 201322.22
November 15, 201324.98
October 31, 201325.47
October 15, 201327.45
September 30, 201327.48
September 13, 201326.05
August 30, 201324.09
August 15, 201322.13
July 31, 201319.48
July 15, 201318.58
June 28, 201311.83
June 14, 201310.65
May 31, 20139.89
May 15, 201310.2
April 30, 201311.43
April 15, 201311.58
March 28, 201310.6
March 15, 20139.93
February 28, 201316.89
February 15, 201316.91
January 31, 201316.89
January 15, 201315.14
December 31, 201213.07
December 14, 201211.16
November 30, 20127.11
November 15, 20124.52
October 31, 20123.47
October 15, 20123.02
September 28, 20122.78
September 14, 20122.82
August 31, 20122.7
August 15, 20122.01
July 31, 20121.03
July 13, 20120.46
June 29, 20120.15
June 15, 20120.32
May 31, 20120.24
May 15, 20120.34
April 30, 20120.3
April 13, 20120.32
March 30, 20120.31
March 15, 20120.17
February 29, 20120.65
February 15, 20120.63
January 31, 20120.71
January 13, 20120.75
December 30, 20110.8
December 15, 20110.83
November 30, 20110.88
November 15, 20111.03
October 31, 20111.03
October 14, 20111.19
September 30, 20111.27
September 15, 20111.21
August 31, 20110.75
August 15, 20110.63
July 29, 20110.38
July 15, 20110.35
June 30, 20110.6
June 15, 20110.18
May 31, 20110.89
May 13, 20110.94
April 29, 20110.89
April 15, 20110.92
March 31, 20110.89
March 15, 20110.89
February 28, 20110.84
February 15, 20110.83
January 31, 20110.86
January 14, 20110.74
December 31, 20100.22
December 15, 20100.13
November 30, 20100.15
November 15, 20100.15
October 29, 20100.12
October 15, 20100.13
September 30, 20100.08
September 15, 20100.08
August 31, 20100.02
August 13, 20100.04
July 30, 20100.02
July 15, 20100.04
June 30, 20100.05
June 15, 20100.02

Institutional Ownership History (%)

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

Date Institutional Ownership
September 30, 2014100
March 31, 201494
February 28, 201496
January 31, 201497
December 31, 201394
November 30, 201393
October 31, 201397
August 31, 201396
July 31, 201386
June 30, 201335
May 31, 201378
April 30, 201378
March 31, 201376
February 28, 201382
January 31, 201382
December 31, 201278
November 30, 201279
October 31, 201278
September 30, 201276
August 31, 201279
July 31, 201279
June 30, 201275
May 31, 201275
April 30, 201275
March 31, 201278
February 29, 201276
January 31, 201276
December 31, 201167
November 30, 201167
October 31, 201167
September 30, 201166
August 31, 201171
July 31, 201183
June 30, 201165
May 31, 201138
April 30, 201140
March 31, 201140
February 28, 201140
January 31, 201143
December 31, 201032
November 30, 201032
October 31, 201031
September 30, 201022
August 31, 201021
July 31, 201023

Insider ownership (%)

This is the historical insider ownership of GenMark Diagnostics 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
March 31, 20153
February 28, 20154
January 31, 20153
December 31, 20143
November 30, 20143
October 31, 20143
September 30, 20143
August 31, 20143
July 31, 20143
June 30, 20143
May 31, 20143
March 31, 20146
February 28, 20146
January 31, 20146
December 31, 20136
November 30, 20137
October 31, 20137
September 30, 20138
August 31, 20138
July 31, 20138
June 30, 20138
May 31, 20138
April 30, 20138
March 31, 20137
January 31, 20138
November 30, 20128
October 31, 20128
September 30, 20128
August 31, 20128
July 31, 20128
June 30, 20128
May 31, 20127
April 30, 20127
March 31, 20126
February 29, 20126
January 31, 20124
December 31, 20114
November 30, 20114
October 31, 20114
September 30, 20114
August 31, 20114
July 31, 20116
June 30, 20116
May 31, 20116
April 30, 20116
March 31, 20114
February 28, 20113
January 31, 20113
December 31, 20103
November 30, 20103
October 31, 20103
September 30, 20102
August 31, 20102

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Mr. Mike GleesonSVP, North American Com. Ops.183,3370.44%2015-03-09
Jennifer Anne WilliamsSVP, Human Resources154,0320.37%2015-03-13
Mr. Jeffrey Alan HawkinsSVP, Global Marketing & PM117,6280.28%2015-03-09
Hany MassaranyPresident and CEO109,5570.26%2015-04-09
Dr. Jon Faiz Kayyem PhDSVP, Research & Development108,1020.26%2015-03-09
Richard B. SlanskyCFO79,5340.19%2014-05-08
Dr. James (Jim) Fox, PhDDirector75,9320.18%2014-08-07
Jorge A. GarcesSVP, Research & Development69,4830.17%2013-03-14
Mr. Scott MendelN/A65,5860.16%2015-02-19
Ingo ChakravartySVP, International61,7150.15%2015-03-09

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Fidelity Management and Research Company6,260,1452015-02-1314.960.0080,630,668
Putnam Investment Management,LLC6,194,6352014-12-3114.800.1784,309,000
Putnam Equity Spectrum Fund4,561,7242014-12-3110.901.3262,085,064
Prudential Investment Management, Inc.3,702,9482015-01-278.850.0050,397,122
T. Rowe Price Associates, Inc.2,568,7542014-12-316.140.0134,961,000
Artisan Partners Limited Partnership2,381,5062014-12-315.690.0632,412,000
Fidelity® Select Health Care Portfolio2,163,6862015-02-285.170.2827,500,449
Fidelity® Growth Company Fund1,971,3532015-02-284.710.0625,055,897
J.P. Morgan Investment Management Inc.1,956,8752014-12-314.670.0126,633,000
Adage Capital Partners Gp LLC1,825,2272014-12-314.360.0624,842,000

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