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Guidance Software Inc (GUID)Ownership Data

Short Interest History (%)

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

Date Short Interest
January 30, 20155.86
January 15, 20154.58
December 31, 20144.32
December 15, 20144.73
November 28, 20144.53
November 14, 20144.43
October 31, 20144.36
October 15, 20144.66
September 30, 20145.05
September 15, 20144.55
August 29, 20144.46
August 15, 20144.43
July 31, 20144.63
July 15, 20144.8
June 30, 20145.4
June 13, 20145.65
May 30, 20146.15
May 15, 20145.79
April 30, 20145.5
April 15, 20145.48
March 31, 20145.31
March 14, 20144.81
February 28, 20144.78
February 14, 20145.05
January 31, 20144.31
January 15, 20143.81
December 31, 20134.46
December 13, 20135.07
November 29, 20135.13
November 15, 20135.12
October 31, 20135.71
October 15, 20135.93
September 30, 20136.03
September 13, 20136.21
August 30, 20135.86
August 15, 20135.36
July 31, 20134.76
July 15, 20135.5
June 28, 20134.22
June 14, 20134.19
May 31, 20133.88
May 15, 20133.3
April 30, 20132.85
April 15, 20132.8
March 28, 20132.44
March 15, 20131.23
February 28, 20132.74
February 15, 20132.26
January 31, 20132.32
January 15, 20132.63
December 31, 20122.79
December 14, 20123.18
November 30, 20123.41
November 15, 20123.96
October 31, 20125.72
October 15, 20126.51
September 28, 20126.92
September 14, 20127.68
August 31, 20127.93
August 15, 20127.59
July 31, 20126.74
July 13, 20126.77
June 29, 20126.93
June 15, 20126.87
May 31, 20126.61
May 15, 20126.38
April 30, 20125.73
April 13, 20124.83
March 30, 20124.2
March 15, 20123.96
February 29, 20122.93
February 15, 20122.86
January 31, 20122.84
January 13, 20123.04
December 30, 20113.18
December 15, 20113.14
November 30, 20113.6
November 15, 20113.37
October 31, 20113.57
October 14, 20113.93
September 30, 20114.13
September 15, 20113.86
August 31, 20113.45
August 15, 20113.28
July 29, 20113.04
July 15, 20113.14
June 30, 20113.63
June 15, 20113.56
May 31, 20113.27
May 13, 20112.99
April 29, 20112.75
April 15, 20112.56
March 31, 20112.76
March 15, 20112.73
February 28, 20111.42
February 15, 20112.48
January 31, 20112.56
January 14, 20112.32
December 31, 20102.36
December 15, 20102.77
November 30, 20102.9
November 15, 20102.95
October 29, 20103.06
October 15, 20103.19
September 30, 20103.47
September 15, 20103.66
August 31, 20103.86
August 13, 20103.17
July 30, 20103.47
July 15, 20103.23
June 30, 20103.45
June 15, 20100.27
May 28, 20100.24
May 14, 20100.29
April 30, 20100.24
April 15, 20100.16
March 31, 20100.19
March 15, 20100.26
February 26, 20100.24
February 12, 20100.18
January 29, 20100.2
January 15, 20100.2
December 31, 20090.22
December 15, 20090.28
November 30, 20090.29
November 13, 20090.24
October 30, 20090.25
October 15, 20090.28
September 30, 20090.22
September 15, 20090.23
August 31, 20090.23
August 14, 20090.4
July 31, 20090.4
July 15, 20090.46
June 30, 20091.49
June 15, 20091.49
May 29, 20091.23
May 15, 20091.13
April 30, 20090.97
April 15, 20090.92
March 31, 20090.95
March 13, 20091.07
February 27, 20091.02
February 13, 20091.05
January 30, 20091.08
January 15, 20091.04
December 31, 20081.18
December 15, 20081.4
November 28, 20081.43
November 14, 20081.55
October 31, 20081.63
October 15, 20082.22
September 30, 20082.93
September 15, 20083.32
August 29, 20083.21
August 15, 20083.23
July 31, 20085.51
July 15, 20085.97
June 30, 20084.02
June 13, 20084.24
May 30, 20084.15
May 15, 20084.17
April 30, 20083.61
April 15, 20083.59
March 31, 20083.88
March 14, 20084.43
February 29, 20084.04
February 15, 20083.62
January 31, 20083.64
January 15, 20083.45
December 31, 20073.34
December 11, 20073.49
November 27, 20073.58
November 9, 20073.34
October 26, 20073.13
October 10, 20072.99
September 25, 20073.01
September 11, 20072.99
August 10, 20073.01
July 10, 20073.78
June 12, 20073.14
May 10, 20071.74
April 10, 20070.66
March 12, 20070.18
February 12, 20070.16
January 9, 20070.66

Institutional Ownership History (%)

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

Date Institutional Ownership
January 31, 201558
December 31, 201452
November 30, 201452
October 31, 201453
September 30, 201453
August 31, 201452
July 31, 201452
June 30, 201452
May 31, 201452
April 30, 201452
March 31, 201446
February 28, 201444
January 31, 201447
December 31, 201345
November 30, 201346
October 31, 201346
September 30, 201346
August 31, 201345
July 31, 201345
June 30, 201345
May 31, 201342
April 30, 201342
March 31, 201347
February 28, 201346
January 31, 201347
December 31, 201249
November 30, 201249
October 31, 201249
September 30, 201248
August 31, 201248
July 31, 201248
June 30, 201245
May 31, 201244
April 30, 201244
March 31, 201239
February 29, 201246
January 31, 201246
December 31, 201146
November 30, 201146
October 31, 201146
September 30, 201148
August 31, 201147
July 31, 201150
June 30, 201145
May 31, 201141
April 30, 201144
March 31, 201144
February 28, 201138
January 31, 201136
December 31, 201036
November 30, 201037
October 31, 201034
September 30, 201034
August 31, 201034
July 31, 201031
June 30, 201030
May 31, 201030
April 30, 201029
March 31, 201029
February 28, 201030
January 31, 201030
December 31, 200930
November 30, 200932
October 31, 200932
September 30, 200928
August 31, 200927
July 31, 200928
June 30, 200928
May 31, 200928
April 30, 200930
March 31, 200928
February 28, 200929
January 31, 200929
December 31, 200831
November 30, 200832
October 31, 200832
September 30, 200832
August 31, 200832
July 31, 200832
June 30, 200831
May 31, 200831
April 30, 200831
March 31, 200834
February 29, 200834
January 31, 200834

Insider ownership (%)

This is the historical insider ownership of Guidance Software 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
January 31, 201516
December 31, 201415
November 30, 201416
October 31, 201415
September 30, 201415
August 31, 201415
July 31, 201416
June 30, 201416
May 31, 201416
March 31, 201418
February 28, 201418
January 31, 201418
December 31, 201317
November 30, 201317
October 31, 201317
September 30, 201317
August 31, 201317
July 31, 201317
June 30, 201317
May 31, 201317
April 30, 201317
March 31, 201317
January 31, 201317
November 30, 201217
October 31, 201217
September 30, 201217
August 31, 201217
July 31, 201217
June 30, 201217
May 31, 201217
April 30, 201217
March 31, 201217
February 29, 201217
January 31, 201217
December 31, 201116
November 30, 201116
October 31, 201116
September 30, 201116
August 31, 201116
July 31, 201116
June 30, 201116
May 31, 201116
April 30, 201118
March 31, 201118
February 28, 201118
January 31, 201117
December 31, 201015
November 30, 201015
October 31, 201016
September 30, 201016
August 31, 201016
July 31, 201015
June 30, 201015
May 31, 201015
April 30, 201015
March 31, 201015
February 28, 201015
January 31, 201015
December 31, 200915
November 30, 200915
October 31, 200916
September 30, 200916
August 31, 200915
July 31, 200915
June 30, 200915
May 31, 200915
April 30, 200915
March 31, 200915
February 28, 200915
January 31, 200915
December 31, 200815
November 30, 200815
October 31, 200815
September 30, 200815
August 31, 200815
July 31, 200815
June 30, 200815
May 31, 200815
April 30, 200870
March 31, 200870
February 29, 200870
January 31, 200870
December 31, 200770
November 30, 200770
October 31, 200770
September 30, 200770
August 31, 200771
July 31, 200771
June 30, 200772
May 31, 200783
April 30, 200780
March 31, 200781
February 28, 200781
January 31, 200769
December 31, 200670
November 30, 200669

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
John PatzakisN/A2,320,3937.75%2009-03-10
John ColbertN/A610,2732.04%2007-10-25
Victor T. LimongelliPresident, CEO and Director378,0381.26%2014-10-15
Barry J. PlagaINTERIM CEO & CFO241,1420.81%2015-02-11
Robert BotchekN/A182,4470.61%2011-05-07
Timothy LeehealeyN/A165,6850.55%2007-02-08
Vincent M. SchiavoS.V.P., Worldwide Sales107,3230.36%2014-03-10
Mark HarringtonSee Remarks100,1240.33%2015-02-11
Van Der Colff RasmusCAO/ VP of Finance91,2290.3%2015-02-11
ONeil KathleenN/A79,5340.27%2014-05-01

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
PRIMECAP Management Company3,946,2442014-12-3113.430.0328,610,000
RGM Capital LLC3,604,7932014-12-3112.273.9826,135,000
PrimeCap Odyssey Aggressive Growth Fund2,349,7432014-12-318.000.2717,035,637
Vanguard Investment Series PLC1,580,5582014-12-315.380.0011,459,046
Vanguard US Opportunities1,530,5042014-10-315.230.5410,300,292
Bourgeon Capital Management LLC644,6242014-12-312.192.854,674,000
TETON Westwood Mighty Mites Fund636,4502014-09-302.180.344,283,308
Teton Advisors, Inc.615,3552014-12-312.090.294,461,000
Vanguard Group, Inc.581,3052014-12-311.980.004,214,000
Tensile Capital Management LLC531,9032014-12-311.810.973,856,000

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