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Gigamon Inc (GIMO) Ownership Data

Short Interest History (%)

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

Date Short Interest
May 15, 20153.15
April 30, 20153.22
April 15, 20153.29
March 31, 20153.74
March 13, 20155.01
February 27, 20156.09
February 13, 20156.56
January 30, 20157.73
January 15, 20158.25
December 31, 20148.75
December 15, 20149.7
November 28, 201410.32
November 14, 201411.03
October 31, 201414.02
October 15, 201414.95
September 30, 201413.24
September 15, 201412.26
August 29, 201413.75
August 15, 201414.64
July 31, 201414.71
July 15, 201415.94
June 30, 201411.86
June 13, 201410.4
May 30, 201410.73
May 15, 201410.56
April 30, 20147.91
April 15, 20146.24
March 31, 20145.93
March 14, 20146.97
February 28, 20145.59
February 14, 20145.01
January 31, 20143.63
January 15, 20144.02
December 31, 20134.1
December 13, 20133.86
November 29, 20133.28
November 15, 20133.84
October 31, 20132.73
October 15, 20132.79
September 30, 20132.79
September 13, 20132.63
August 30, 20132.2
August 15, 20131.81
July 31, 20130.78
July 15, 20131.35
June 28, 20131.13
June 14, 20130.02

Institutional Ownership History (%)

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

Date Institutional Ownership
April 30, 201563
March 31, 201566
February 28, 201564
January 31, 201565
December 31, 201466
November 30, 201465
October 31, 201465
September 30, 201465
August 31, 201464
July 31, 201464
June 30, 201463
May 31, 201464
April 30, 201464
March 31, 201460
February 28, 201458
January 31, 201458
December 31, 201359
November 30, 201323
October 31, 201323
September 30, 201318
August 31, 201319
July 31, 201318
June 30, 20131

Insider ownership (%)

This is the historical insider ownership of Gigamon 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
April 30, 20152
March 31, 20152
February 28, 20152
January 31, 20152
November 30, 20142
October 31, 20142
September 30, 20141
August 31, 20141
July 31, 20141
June 30, 20141
May 31, 20141

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Paul A. HooperCEO135,3530.41%2015-05-15
Mike BurnsN/A89,9330.27%2015-05-15
Mr. Shehzad T. MerchantChief Technology Officer73,0240.22%2015-05-15
Mr. Sachi SambandanSr VP Engineering69,2500.21%2015-05-15
Helmut WilkeSr VP Worldwide Sales68,6600.21%2015-05-15
Mr. David A. de SimoneN/A64,1940.19%2014-02-14
Mr. Paul B. ShinnSecretary and General Counsel46,1140.14%2015-05-15
Michael C. RuettgersDirector30,000less than 0.1%2014-11-07
Duston M. WilliamsN/A25,222less than 0.1%2014-02-14
Ravi NarulaCAO & Corporate Controller23,676less than 0.1%2014-05-15

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Highland Capital Partners LLC   Premium Plus4,274,5002015-03-3112.8957.6090,790,000
North Run Capital, L P   Premium Plus1,800,0002015-03-315.434.1838,232,000
Granahan Investment Management Inc..   Premium Plus1,517,1122015-03-314.570.9232,223,000
Vanguard Group, Inc.   Premium Plus1,368,8042015-03-314.130.0029,074,000
Rubric Capital Management LLC   Premium Plus1,042,8002015-03-313.141.4022,149,000
Vanguard Explorer Fund955,5852015-03-312.880.1620,296,625
Kingdon Capital Management LLC   Premium Plus914,5862015-03-312.760.8219,426,000
Millennium Management LLC   Premium Plus779,7162015-03-312.350.0316,561,000
BlackRock Fund Advisors   Premium Plus673,2952015-03-312.030.0014,301,000
Morgan Stanley & Co Inc   Premium Plus603,8822015-03-311.820.0212,827,000

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