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CombiMatrix Corp (CBMX)Ownership Data

Short Interest History (%)

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

Date Short Interest
March 31, 20151.61
March 13, 20151.66
February 27, 20152.43
February 13, 20153.29
January 30, 20153.26
January 15, 20152.63
December 31, 20142.94
December 15, 20143.13
November 28, 20143.29
November 14, 20143.6
October 31, 20143.68
October 15, 20144.12
September 30, 20144.1
September 15, 20144.71
August 29, 20145.27
August 15, 20146.25
July 31, 20146.93
July 15, 20146.77
June 30, 20147.07
June 13, 20147.73
May 30, 20148.33
May 15, 20149.35
April 30, 201410.77
April 15, 201411.07
March 31, 201411.11
March 14, 201434.64
February 28, 201436.3
February 14, 201431.72
January 31, 201434.98
January 15, 201422.73
December 31, 201319.64
December 13, 201325.6
November 29, 201316.95
November 15, 201313.57
October 31, 201314.19
October 15, 201316.5
September 30, 201317.6
September 13, 201320.07
August 30, 201323.17
August 15, 201314.29
July 31, 20139.74
July 15, 201312.38
June 28, 201314.32
June 14, 201314.96
May 31, 201315.46
May 15, 201316.94
April 30, 201317.99
April 15, 201317.47
March 28, 201348.49
March 15, 201335.29
February 28, 201330.81
February 15, 201314.64
January 31, 20136.29
January 15, 20134.49
December 31, 20125.1
December 14, 201215.06
November 30, 20120.49
November 15, 20120.05
October 31, 20120.05
October 15, 20120.05
September 28, 20120.06
September 14, 20120.06
August 31, 20120.05
August 15, 20120.05
July 31, 20120.05
July 13, 20120.06
June 29, 20120.05
June 15, 20120.06
May 31, 20120.06
May 15, 20120.07
April 30, 20120.07
April 13, 20120.06
March 30, 20120.06
March 15, 20120.13
February 29, 20120.17
February 15, 20120.18
January 31, 20120.24
January 13, 20120.23
December 30, 20110.23
December 15, 20110.21
November 30, 20110.22
November 15, 20110.27
October 31, 20110.28
October 14, 20110.3
September 30, 20110.29
September 15, 20110.32
August 31, 20110.3
August 15, 20110.29
July 29, 20110.28
July 15, 20110.27
June 30, 20110.2
June 15, 20110.12
May 31, 20110.19
May 13, 20110.18
April 29, 20110.2
April 15, 20110.17
March 31, 20110.19
March 15, 20110.2
February 28, 20110.18
February 15, 20110.19
January 31, 20110.13
January 14, 20110.18
December 31, 20100.15
December 15, 20100.15
November 30, 20100.12
November 15, 20100.12
October 29, 20100.24
October 15, 20100.43
September 30, 20100.45
September 15, 20100.46
August 31, 20100.47
August 13, 20100.48
July 30, 20100.47
July 15, 20100.5
June 30, 20100.54
June 15, 20100.56
May 28, 20100.58
May 14, 20100.65
April 30, 20100.62
April 15, 20100.52
March 31, 20100.52
March 15, 20100.58
February 26, 20100.56
February 12, 20100.82
January 29, 20100.82
January 15, 20100.8
December 31, 20092.09
December 15, 20092.61
November 30, 20092.53
November 13, 20092.54
October 30, 20092.88
October 15, 20092.83
September 30, 20093.43
September 15, 20093.61
August 31, 20093.73
August 14, 20094.44
July 31, 20094.52
July 15, 20095.13
June 30, 20094.62
June 15, 20094.71
May 29, 20094.82
May 15, 20094.73
April 30, 20095.41
April 15, 20095.48
March 31, 20095.44
March 13, 20095.23
February 27, 20095.56
February 13, 20095.61
January 30, 20095.57
January 15, 20095.57
December 31, 20085.62
December 15, 20085.75
November 28, 20085.75
November 14, 20085.91
October 31, 20086.57
October 15, 20089.05
September 30, 20089.43
September 15, 20089.32
August 29, 20087.71
August 15, 20086.66
July 31, 20086.12
July 15, 20086.21
June 30, 20085.83
June 13, 20085.98
May 30, 20086.45
May 15, 20086.65
April 30, 20084.71
April 15, 20082.51
March 31, 20082.33
March 14, 20082.3
February 29, 20082.4
February 15, 20082.21
January 31, 20081.57
January 15, 20081.45
December 31, 20071.39
December 11, 20071.01
November 27, 20071.01
November 9, 20071.01
October 26, 20071.02
October 10, 20071.14
September 25, 20070.42
September 11, 20070.56
August 10, 20071.01
July 10, 20070.37
June 12, 20070.41
May 10, 20070.38
April 10, 20070.41
March 12, 20070.48
February 12, 20070.46
January 9, 20070.55
December 12, 20060.96
November 10, 20060.86
October 10, 20060.68
September 12, 20061.38
August 10, 20061.71
July 11, 20061.79
June 12, 20061.87
May 10, 20062.07
April 10, 20061.84
March 10, 20061.26
February 10, 20061.05
January 10, 20060.97
December 12, 20051.28
November 10, 20051.62
October 11, 20051.26
September 12, 20050.94
August 10, 20050.92
July 12, 20050.95
June 10, 20051.28
May 10, 20051.25
April 12, 20051.31
March 10, 20051.27
February 10, 20051.12
January 11, 20051.15
December 10, 20041.18
November 10, 20041.2
October 12, 20041.2
September 10, 20041.43
August 10, 20041.58
July 12, 20041.73
June 9, 20041.36
May 11, 20041.3
April 12, 20043.14
March 10, 20041.72
February 10, 20042.2
January 12, 20042.65
December 10, 20031.41
November 11, 20031.23
October 10, 20032.1
September 10, 20032.24
August 12, 20032.86
July 10, 20033.96
June 10, 20034.83
May 12, 20032.37
April 10, 20032.92
March 11, 20032.92
February 11, 20033.5
January 10, 20032.64

Institutional Ownership History (%)

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

Date Institutional Ownership
March 31, 201528
February 28, 201528
January 31, 201528
December 31, 201417
November 30, 201412
October 31, 201412
September 30, 201412
August 31, 201413
July 31, 201413
June 30, 201413
May 31, 201413
April 30, 201413
March 31, 201415
February 28, 201418
January 31, 201418
December 31, 201316
November 30, 20137
October 31, 20139
September 30, 20139
August 31, 20139
July 31, 201310
June 30, 201312
May 31, 201313
April 30, 20138
March 31, 201310
February 28, 201342
January 31, 201328
December 31, 201228
November 30, 201229
October 31, 201229
September 30, 201226
August 31, 201226
July 31, 201226
June 30, 201226
May 31, 201226
April 30, 201226
March 31, 201229
February 29, 201229
January 31, 201229
December 31, 201129
November 30, 201129
October 31, 201129
September 30, 201122
August 31, 201122
July 31, 201126
June 30, 201126
May 31, 201136
April 30, 201131
March 31, 201110
February 28, 201110
January 31, 201113
December 31, 201014
November 30, 201014
October 31, 201013
September 30, 201014
August 31, 201014
July 31, 201015
June 30, 201017
May 31, 201018
April 30, 201017
March 31, 201017
February 28, 201017
January 31, 201017
December 31, 200918
November 30, 200918
October 31, 200919
September 30, 200927
August 31, 200927
July 31, 200925
June 30, 200917
May 31, 200917
April 30, 200922
March 31, 200922
February 28, 200922
January 31, 200924
December 31, 200824
November 30, 200824
October 31, 200823
September 30, 200815
August 31, 200815
July 31, 200815
June 30, 200813
May 31, 200813
April 30, 200813
March 31, 200810
February 29, 200810
January 31, 200810

Insider ownership (%)

This is the historical insider ownership of CombiMatrix 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
March 31, 20153
February 28, 20154
January 31, 20158
December 31, 20142
November 30, 20143
October 31, 20143
September 30, 20143
August 31, 20143
July 31, 20145
June 30, 20145
May 31, 20145
March 31, 20145
February 28, 20145
January 31, 20142
December 31, 20132
November 30, 20132
October 31, 20132
September 30, 20132
August 31, 20132
July 31, 20132
June 30, 20132
May 31, 20132
April 30, 20132
March 31, 20132
January 31, 20132
November 30, 20122
October 31, 20122
September 30, 20122
August 31, 20122
July 31, 20122
June 30, 20122
May 31, 20122
April 30, 20122
March 31, 20122
February 29, 20122
January 31, 20122
December 31, 20112
November 30, 20112
October 31, 20112
September 30, 20112
August 31, 20112
July 31, 20112
June 30, 20112
May 31, 20112
April 30, 20113
March 31, 20112
February 28, 20112
January 31, 20112
December 31, 20102
November 30, 20102
October 31, 20102
September 30, 20102
August 31, 20102
July 31, 20102
June 30, 20102
May 31, 20102
April 30, 20102
March 31, 20102
February 28, 20102
January 31, 20102
December 31, 20091
November 30, 20091
October 31, 20091
September 30, 20091
August 31, 20091
July 31, 20091
June 30, 20091
May 31, 20091
April 30, 20091
March 31, 20091
February 28, 20091
January 31, 20091
December 31, 20081
April 30, 200812
March 31, 200812
February 29, 200812
January 31, 200812
December 31, 200712
November 30, 200711
October 31, 200711
September 30, 200711
August 31, 20075
June 30, 20075
May 31, 20075
April 30, 20075
March 31, 20077
February 28, 20073
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, 20054
December 31, 20044
November 30, 20044
October 31, 20044
September 30, 20044
August 31, 20044
July 31, 20044
June 30, 20044
May 31, 20044
April 30, 20044
March 31, 20044
February 29, 200412

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Dr. Amit Kumar,PhDPresident and CEO94,3980.74%2011-04-07
Robert E. Hoffman,C.P.A.N/A54,2950.43%2015-01-09
Mr. Mark P. McGowanDirector48,5300.38%2010-01-21
Mr. R. Judd JessupDirector43,7020.34%2015-01-09
Mark D. McDonoughPresident and CEO33,5820.26%2015-02-23
Dr. Brooke P. Anderson,PhDN/A32,3480.26%2010-06-30
Dr. Scott Gottlieb,M.D.N/A30,2230.24%2015-01-09
Jeremy M. JonesN/A30,0230.24%2015-01-09
Mr. Wei Richard DingN/A17,4950.14%2014-02-20
Scott R. BurellCFO, Secretary & Treasurer11,926less than 0.1%2015-02-23

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Alpha Capital Anstalt1,259,2632015-02-1711.380.002,392,600
Longwood Capital Partners LLC853,2782014-12-317.710.741,101,000
Great Point Partners Llc386,3792014-04-083.490.001,174,592
Perkins Capital Management Inc239,6502014-12-312.170.27309,000
Vanguard Group, Inc.184,0482014-12-311.660.00237,000
Vanguard Total Stock Mkt Idx125,9152015-03-310.990.00239,239
Verition Fund Managegment, LLC83,6162014-12-310.760.02108,000
Vanguard Extended Market Index Fund64,3372015-03-310.510.00122,240
Knight Capital Americas LLC36,2752014-12-310.330.0047,000
Citadel Advisors Llc18,0722014-12-310.160.0023,000

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