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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 (%)Short Interest (Shares in Mil)
November 15, 201610.143.25
October 31, 20168.222.63
October 14, 20166.622.12
September 30, 20167.52.40
September 15, 20165.961.91
August 31, 20165.091.63
August 15, 20165.831.87
July 29, 20165.751.84
July 15, 20166.161.97
June 30, 20165.661.81
June 15, 20165.181.66
May 31, 20165.211.67
May 13, 20166.11.96
April 29, 20165.751.84
April 15, 20166.011.93
March 31, 20166.522.09
March 15, 20167.742.12
February 29, 20168.642.36
February 12, 20167.552.06
January 29, 20164.731.29
January 15, 20164.861.33
December 31, 20155.241.43
December 15, 20155.391.47
November 30, 20155.581.53
November 13, 20155.621.54
October 30, 20153.630.99
October 15, 20152.940.80
September 30, 20153.090.85
September 15, 20153.420.93
August 31, 20153.410.93
August 14, 20155.341.46
July 31, 20154.381.20
July 15, 20154.61.26
June 30, 20154.311.18
June 15, 20153.911.07
May 29, 20153.460.95
May 15, 20153.150.86
April 30, 20153.220.88
April 15, 20153.290.90
March 31, 20153.741.02
March 13, 20155.011.21
February 27, 20156.091.47
February 13, 20156.561.58
January 30, 20157.731.87
January 15, 20158.251.99
December 31, 20148.752.11
December 15, 20149.72.34
November 28, 201410.322.49
November 14, 201411.032.66
October 31, 201414.023.39
October 15, 201414.953.61
September 30, 201413.243.20
September 15, 201412.262.96
August 29, 201413.753.32
August 15, 201414.643.54
July 31, 201414.713.55
July 15, 201415.943.85
June 30, 201411.862.86
June 13, 201410.42.51
May 30, 201410.732.59
May 15, 201410.562.55
April 30, 20147.911.91
April 15, 20146.241.51
March 31, 20145.931.43
March 14, 20146.971.35
February 28, 20145.591.08
February 14, 20145.010.97
January 31, 20143.630.70
January 15, 20144.020.78
December 31, 20134.10.80
December 13, 20133.860.75
November 29, 20133.280.64
November 15, 20133.840.74
October 31, 20132.730.53
October 15, 20132.790.54
September 30, 20132.790.54
September 13, 20132.630.51
August 30, 20132.20.43
August 15, 20131.810.35
July 31, 20130.780.15
July 15, 20131.350.26
June 28, 20131.130.22
June 14, 20130.020.00

Institutional Ownership History (%)

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

Date Institutional Ownership (%)Institutional Ownership (Shares in Mil)
September 30, 201679.3728.00
June 30, 201678.4527.41
March 31, 201679.0627.24
December 31, 201578.0126.77
September 30, 201579.4923.17
June 30, 201569.1623.16
March 31, 201565.6421.77
December 31, 201464.6321.10
September 30, 201464.3820.95
June 30, 201464.5320.65
March 31, 201464.1720.46
December 31, 201358.6418.27
September 30, 201324.37.41
June 30, 201318.685.69

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 (%)Insider Ownership (Shares in Mil)
October 31, 20162.260.79
September 30, 20162.260.79
August 31, 20162.350.82
July 31, 20162.380.83
June 30, 20162.380.83
May 31, 20162.440.84
April 30, 20162.250.78
March 31, 20162.280.78
February 29, 20162.310.78
January 31, 20161.80.61
December 31, 20152.250.78
November 30, 20151.830.62
October 31, 20151.990.66
September 30, 201520.66
August 31, 201520.66
July 31, 20152.090.69
June 30, 20152.090.69
May 31, 20151.970.65
April 30, 20152.090.69
March 31, 20152.090.69
February 28, 20152.120.69
January 31, 20151.610.52
December 31, 20140.240.08
November 30, 20141.620.53
October 31, 20141.680.54
September 30, 20141.080.35
August 31, 20141.080.35
July 31, 20141.080.34
June 30, 20140.90.29
May 31, 20140.90.29

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Paul A. HooperCEO131,4710.36%2016-11-15
Michael C. RuettgersN/A115,0370.32%2016-06-09
Mr. Michael J. BurnsCFO76,6370.21%2016-09-22
Mr. David A. de SimoneN/A64,1940.18%2014-02-14
Mr. Sachi SambandanSr. VP Engineering64,0680.18%2016-11-15
Helmut WilkeSr. VP Worldwide Sales61,0810.17%2016-11-18
Rex S. JacksonN/A50,0000.14%2016-11-15
Mr. Shehzad T. MerchantChief Technology Officer45,7380.13%2016-11-15
Mr. Paul B. ShinnChief Legal Officer & SVP27,826less than 0.1%2016-11-17
Duston M. WilliamsN/A25,222less than 0.1%2014-02-14

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
Renaissance Technologies Corp Premium790,3002016-09-302.240.0843,308
State Street Corp   Premium Plus611,2352016-09-301.73N/A33,494
Lord, Abbett & Co LLC   Premium Plus726,5312016-09-302.060.1239,814
Gilder Gagnon Howe & CO LLC   Premium Plus1,310,0962016-09-303.711.2371,793
1832 Asset Management L.P   Premium Plus746,5002016-06-302.110.1127,518
Whale Rock Capital Management LLC   Premium Plus871,5162016-09-302.473.0847,759
Sumitomo Mitsui Asset Management Co Ltd   Premium Plus503,8702016-09-301.430.6027,612
Granahan Investment Management Inc..   Premium Plus958,5732016-09-302.721.7252,530
Vanguard Group Inc   Premium Plus2,992,1942016-09-308.480.01163,972
BlackRock Fund Advisors   Premium Plus899,3762016-09-302.550.0149,286
Allianz Global Investors   Premium Plus898,5952016-09-302.550.1449,243
Highland Capital Partners LLC   Premium Plus1,374,5002015-12-314.00N/A36,520
Merrill Lynch & Co Inc   Premium Plus783,7772016-09-302.220.0242,951
Wellington Management Company LLP   Premium Plus793,5952016-09-302.250.0143,489
Vanguard Small Cap Index690,2202016-10-311.910.0638,169
Dynamic Power American Growth Fund683,8002016-08-311.944.2030,232
Vanguard Total Stock Mkt Idx662,7762016-10-311.830.0136,652
Vanguard Explorer Fund660,9932016-09-301.870.3136,222
iShares Russell 2000 (AU)646,3932016-12-051.690.0932,611
Lord Abbett Developing Growth Fund606,0322016-10-311.681.5233,514

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