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Quidel Corp (QDEL) Ownership Data

Short Interest History (%)

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

Date Short Interest
April 30, 201527.35
April 15, 201527.32
March 31, 201526.44
March 13, 201526.6
February 27, 201522.18
February 13, 201522.16
January 30, 201522.19
January 15, 201523.41
December 31, 201422.29
December 15, 201421.41
November 28, 201415.82
November 14, 201416.39
October 31, 201416.76
October 15, 201417.56
September 30, 201417.21
September 15, 201416.77
August 29, 201416.16
August 15, 201416.03
July 31, 201415.5
July 15, 201416.81
June 30, 201418.29
June 13, 201418.9
May 30, 201418.76
May 15, 201418.42
April 30, 201418.98
April 15, 201419.8
March 31, 201420.19
March 14, 201419.9
February 28, 201422.3
February 14, 201421.56
January 31, 201421.21
January 15, 201420.63
December 31, 201320.38
December 13, 201318.84
November 29, 201320.83
November 15, 201320.95
October 31, 201320.83
October 15, 201320.73
September 30, 201320.14
September 13, 201320.12
August 30, 201319.52
August 15, 201318.23
July 31, 201317.8
July 15, 201318.21
June 28, 201318.03
June 14, 201318.08
May 31, 201316.98
May 15, 201316.96
April 30, 201317.3
April 15, 201316.16
March 28, 201316.33
March 15, 201317.7
February 28, 201317.92
February 15, 201319.16
January 31, 201319.46
January 15, 201319.48
December 31, 201222.17
December 14, 201223.06
November 30, 201223.13
November 15, 201222.61
October 31, 201221.67
October 15, 201221.29
September 28, 201221.59
September 14, 201222.26
August 31, 201222.42
August 15, 201222.46
July 31, 201222.76
July 13, 201222.56
June 29, 201222.76
June 15, 201222.17
May 31, 201221.6
May 15, 201220.92
April 30, 201220.78
April 13, 201220.54
March 30, 201219.82
March 15, 201213.98
February 29, 201219.04
February 15, 201219.1
January 31, 201219.57
January 13, 201220.52
December 30, 201121.31
December 15, 201121.8
November 30, 201121.61
November 15, 201120.87
October 31, 201121.89
October 14, 201122.24
September 30, 201122.57
September 15, 201122.66
August 31, 201122.12
August 15, 201122.39
July 29, 201122.88
July 15, 201122.61
June 30, 201122.54
June 15, 201122.23
May 31, 201122.38
May 13, 201122.17
April 29, 201121.34
April 15, 201120.96
March 31, 201119.9
March 15, 201121.05
February 28, 201123.81
February 15, 201123.61
January 31, 201123.51
January 14, 201123.03
December 31, 201022.13
December 15, 201022.17
November 30, 201023.18
November 15, 201022.85
October 29, 201022.91
October 15, 201023.4
September 30, 201025.09
September 15, 201027.43
August 31, 201028.82
August 13, 201028.59
July 30, 201027.46
July 15, 201025.99
June 30, 201025.88
June 15, 201025.18
May 28, 201026.24
May 14, 201027.01
April 30, 201027.04
April 15, 201025.6
March 31, 201024.44
March 15, 201017.45
February 26, 201017.33
February 12, 201016.69
January 29, 201016.66
January 15, 201015.86
December 31, 200914.98
December 15, 200915.82
November 30, 200915.23
November 13, 200914.1
October 30, 200912.86
October 15, 20098.41
September 30, 20097.89
September 15, 20098.23
August 31, 20098.19
August 14, 20098.02
July 31, 20098.02
July 15, 20098.94
June 30, 20099.49
June 15, 20099.86
May 29, 200910.21
May 15, 20099.18
April 30, 20097.43
April 15, 20094.97
March 31, 20097.06
March 13, 20096.79
February 27, 20099.23
February 13, 20099.46
January 30, 20098.93
January 15, 20098.27
December 31, 20088.64
December 15, 20087.91
November 28, 20089.3
November 14, 20089.09
October 31, 200810.08
October 15, 200810.58
September 30, 200812.53
September 15, 200812.18
August 29, 200811.72
August 15, 200811.95
July 31, 200813.39
July 15, 200814.06
June 30, 200812.47
June 13, 200812.41
May 30, 200811.21
May 15, 200811.07
April 30, 200811.25
April 15, 200811.51
March 31, 200810.83
March 14, 200811.22
February 29, 200810.44
February 15, 20089.42
January 31, 20087.96
January 15, 20087.88
December 31, 20077.11
December 11, 20076.98
November 27, 20076.98
November 9, 20076.7
October 26, 20076.44
October 10, 20076.74
September 25, 20076.91
September 11, 20077.25
August 10, 20078.69
July 10, 20079.3
June 12, 20078.44
May 10, 20078.36
April 10, 20079.39
March 12, 200710.47
February 12, 20079.67
January 9, 20078.38
December 12, 20068.46
November 10, 20068.72
October 10, 20068.82
September 12, 20067.29
August 10, 20067.21
July 11, 20065.61
June 12, 20063.18
May 10, 20064.22
April 10, 20065.24
March 10, 20064.99
February 10, 20063.91
January 10, 20064.1
December 12, 20052.47
November 10, 20052.34
October 11, 20051.19
September 12, 20051.08
August 10, 20050.69
July 12, 20050.48
June 10, 20052.79
May 10, 20052.11
April 12, 20052.13
March 10, 20051.98
February 10, 20052.14
January 11, 20052.3
December 10, 20043.36
November 10, 20046.26
October 12, 20046.96
September 10, 20045.85
August 10, 20046.06
July 12, 20048.89
June 9, 20049.13
May 11, 20048.87
April 12, 20049.63
March 10, 20046.7
February 10, 20044.49
January 12, 20043.78
December 10, 20031.13
November 11, 20030.81
October 10, 20030.92
September 10, 20030.26
August 12, 20030.26
July 10, 20030.17
June 10, 20030.23
May 12, 20030.19
April 10, 20030.14
March 11, 20030.23
February 11, 20030.49
January 10, 20030.4
December 10, 20020.47
November 12, 20020.5
October 10, 20020.98
September 10, 20021.24
August 12, 20021.32
July 10, 20021.47
June 11, 20020.7
May 10, 20020.34
April 10, 20020.37
March 12, 20020.42
February 12, 20020.63
January 10, 20020.79
December 11, 20010.51
November 12, 20010.52
October 10, 20010.13
September 5, 20010.1
August 10, 20010.11
July 10, 20010.13
June 12, 20010.13
May 10, 20010.14
April 9, 20010.17
March 12, 20010.17
February 12, 20010.18
January 9, 20010.18
December 12, 20000.38
November 10, 20000.22
October 10, 20000.09
September 12, 20000.07
August 10, 20000.11
July 11, 20000.11
June 12, 20000.04
May 10, 20000.05
April 11, 20000.05
March 10, 20000.2
February 10, 20000.1
January 11, 20000.09
December 10, 19990.27
November 10, 19990.43
October 12, 19990.24
September 10, 19990.22
August 10, 19990.19
July 12, 19990.13
June 10, 19990.03
May 11, 19990.02
April 12, 19990.01
March 10, 19990.07
February 9, 19990.07
January 8, 19990.08
December 8, 19980.18
November 6, 19980.23
October 8, 19980.28
September 8, 19980.27
August 7, 19980.27
July 8, 19980.25
June 8, 19980.89
May 8, 19980.9
April 7, 19980.78
March 6, 19980.8
February 6, 19980.82
January 8, 19980.79
December 8, 19972.33
November 7, 19972.29
October 8, 19972.63
September 8, 19972.5
August 8, 19972.54
July 8, 19972.49
June 6, 19972.48
May 8, 19972.47
April 8, 19972.39
March 7, 19972.64
February 7, 19973.03
January 8, 19972.92
December 6, 19962.71
November 8, 19962.7
October 8, 19962.76
September 6, 19963.04
August 8, 19963.46
July 8, 19962.52
June 7, 19962.89
May 8, 19962.86
April 8, 19962.93
March 8, 19962.83
February 8, 19962.59
January 8, 19960.27
December 8, 19950.38
November 8, 19950.22
October 6, 19950.06
September 8, 19950.04
August 8, 19950.04
July 7, 19950.02
June 8, 19950.08
May 8, 19950.02
April 6, 19950.04
March 8, 19950.21
February 8, 19950.12
January 6, 19950.23

Institutional Ownership History (%)

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

Date Institutional Ownership
December 31, 201493
November 30, 201493
October 31, 201493
September 30, 201492
August 31, 201492
July 31, 201492
March 31, 201499
February 28, 2014100
January 31, 2014100
November 30, 201399
October 31, 201399
August 31, 201399
July 31, 201399
June 30, 201393
May 31, 201391
April 30, 201391
March 31, 201335
February 28, 201388
January 31, 201389
December 31, 201290
November 30, 201291
October 31, 201291
September 30, 201288
August 31, 201288
July 31, 201288
June 30, 201287
May 31, 201286
April 30, 201286
March 31, 201287
February 29, 201290
January 31, 201291
December 31, 201190
November 30, 201190
October 31, 201190
September 30, 201192
August 31, 201190
July 31, 201193
June 30, 201192
May 31, 201199
April 30, 201189
March 31, 201184
February 28, 2011100
January 31, 201192
December 31, 201090
November 30, 201090
October 31, 201093
September 30, 201093
August 31, 201092
July 31, 201095
June 30, 201096
May 31, 201093
April 30, 201088
March 31, 201091
February 28, 201084
January 31, 201080
December 31, 200980
November 30, 200982
October 31, 200982
September 30, 200979
August 31, 200980
July 31, 200983
June 30, 200982
May 31, 200982
April 30, 200988
March 31, 200985
February 28, 200985
January 31, 200988
December 31, 200888
November 30, 200888
October 31, 200887
September 30, 200890
August 31, 200890
July 31, 200890
June 30, 200889
May 31, 200889
April 30, 200889
March 31, 200888
February 29, 200888
January 31, 200888

Insider ownership (%)

This is the historical insider ownership of Quidel 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, 201513
March 31, 201513
February 28, 201513
January 31, 201513
December 31, 201413
November 30, 201413
October 31, 201413
September 30, 201413
August 31, 201413
July 31, 201413
June 30, 201413
May 31, 201413
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, 201313
March 31, 201313
January 31, 201313
November 30, 201213
October 31, 201213
September 30, 201213
August 31, 201213
July 31, 201213
June 30, 201213
May 31, 201213
April 30, 201213
March 31, 201213
February 29, 201213
January 31, 201213
December 31, 201113
November 30, 201113
October 31, 201113
September 30, 201113
August 31, 201113
July 31, 201113
June 30, 201113
May 31, 201113
April 30, 201113
March 31, 201113
February 28, 201113
January 31, 201115
December 31, 201013
November 30, 201013
October 31, 201013
September 30, 201013
August 31, 201013
July 31, 201013
June 30, 201013
May 31, 201013
April 30, 201013
March 31, 201013
February 28, 201012
January 31, 201012
December 31, 200912
November 30, 200912
October 31, 200912
September 30, 200912
August 31, 200912
July 31, 200911
June 30, 200911
May 31, 200911
April 30, 200911
March 31, 200911
February 28, 200911
January 31, 200911
December 31, 200811
November 30, 200811
October 31, 200810
September 30, 200810
August 31, 200810
July 31, 200810
June 30, 200811
May 31, 200811
April 30, 200813
March 31, 200813
February 29, 200812
January 31, 200812
December 31, 200712
November 30, 200712
October 31, 200712
September 30, 200712
August 31, 200712
July 31, 200712
June 30, 200712
May 31, 200712
April 30, 200712
March 31, 200712
February 28, 200711
January 31, 200711
December 31, 200611
November 30, 200611
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, 200511
October 31, 200511
September 30, 200511
August 31, 200511
July 31, 200511
June 30, 200511
May 31, 200511
April 30, 200511
March 31, 200510
February 28, 20056
January 31, 20056
December 31, 20046
November 30, 20046
October 31, 20046
September 30, 20046
August 31, 20046
July 31, 20046
June 30, 20046
May 31, 20046
April 30, 20046
March 31, 20046
February 29, 20046

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Jack W SchulerDirector3,354,2079.73%2013-12-20
Douglas C. BryantPresident & CEO229,4040.67%2015-03-02
Caren L. MasonN/A199,9520.58%2008-10-29
Paul E. LandersSr. VP - Finance91,4550.27%2007-03-27
Mark E. PaizCOO80,6820.23%2007-06-19
Robert J. Bujarski,J.D.SVP, Bus Dev & Gen Counsel56,4100.16%2015-03-02
Dr. Thomas J. FoleyN/A44,7440.13%2009-05-19
Scot M. McLeodSVP - Operations34,4860.1%2013-01-18
Thomas D. BrownDirector25,908less than 0.1%2015-05-14
De Bruin AndreDirector23,300less than 0.1%2004-04-06

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Brown Capital Management, LLC   Premium Plus5,474,1882015-03-3115.872.44147,694,000
Wellington Management Company LLP   Premium Plus3,230,1232014-12-319.380.0293,415,000
Wellington Management Company LLP   Premium Plus3,230,1232014-12-319.380.0293,415,000
Oracle Investment Management Inc   Premium Plus2,915,6332014-12-318.4711.0684,320,000
Janus Capital Management LLC   Premium Plus2,733,1462015-03-317.920.0973,740,000
Brown Capital Management Small Company2,670,6942015-04-307.742.3162,227,170
T. Rowe Price Associates, Inc.   Premium Plus2,668,7902014-12-317.750.0277,181,000
T. Rowe Price Small Cap Value Fund1,982,8002015-03-315.750.6153,495,944
Vanguard Group, Inc.   Premium Plus1,890,2092015-03-315.480.0050,998,000
Janus Triton Fund1,649,3452015-03-314.780.6544,499,328
Vanguard Explorer Fund1,623,2082015-03-314.710.3543,794,152

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