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Ambarella Inc (AMBA) Ownership Data

Short Interest History (%)

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

Date Short Interest
August 15, 201622.29
July 29, 201623.81
July 15, 201625.1
June 30, 201625.52
June 15, 201628.7
May 31, 201630.08
May 13, 201632.2
April 29, 201632.12
April 15, 201633.03
March 31, 201634.54
March 15, 201636.31
February 29, 201640.76
February 12, 201640.45
January 29, 201640.48
January 15, 201642.23
December 31, 201545.98
December 15, 201548.22
November 30, 201547.23
November 13, 201547.08
October 30, 201544.33
October 15, 201545.86
September 30, 201544.94
September 15, 201539.64
August 31, 201533.38
August 14, 201528.74
July 31, 201529.86
July 15, 201526.73
June 30, 201526.62
June 15, 201532.24
May 29, 201527.78
May 15, 201526.63
April 30, 201525.97
April 15, 201525.64
March 31, 201527.08
March 13, 201529.05
February 27, 201535.55
February 13, 201537.83
January 30, 201536.2
January 15, 201539.2
December 31, 201435.29
December 15, 201430.94
November 28, 201428.1
November 14, 201426.47
October 31, 201426.22
October 15, 201428.54
September 30, 201424.34
September 15, 201423.35
August 29, 201423.17
August 15, 201427.23
July 31, 201426.65
July 15, 201426
June 30, 201425.13
June 13, 201421.09
May 30, 201417.59
May 15, 201419.04
April 30, 201416.98
April 15, 201416.44
March 31, 201415.43
March 14, 201416.98
February 28, 201424.5
February 14, 201422.21
January 31, 201420.54
January 15, 201415.93
December 31, 20138.59
December 13, 20136.41
November 29, 20138.32
November 15, 20138.79
October 31, 20138.93
October 15, 20138.65
September 30, 20138.77
September 13, 20139.75
August 30, 20139.88
August 15, 20139.58
July 31, 201312.57
July 15, 201311.74
June 28, 20138.61
June 14, 20136.49
May 31, 20133.08
May 15, 20132.24
April 30, 20132.91
April 15, 20133.96
March 28, 20132.11
March 15, 20131.98
February 28, 20132.02
February 15, 20131.61
January 31, 20131.76
January 15, 20131.72
December 31, 20121.45
December 14, 20120.11
November 30, 20120.13
November 15, 20120.33
October 31, 20120.85
October 15, 20120.02

Institutional Ownership History (%)

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

Date Institutional Ownership
June 30, 201652.95
March 31, 201651.28
December 31, 201554.5
September 30, 201562.22
June 30, 201552.51
March 31, 201554.96
December 31, 201450.68
September 30, 201453.38
June 30, 201442.58
March 31, 201430.27
December 31, 201332.35
September 30, 201326.03
June 30, 201344.8
March 31, 201311.6
December 31, 201240.41

Insider ownership (%)

This is the historical insider ownership of Ambarella 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
September 30, 20153.68
August 31, 20153.6
July 31, 20153.62
June 30, 20153.62
May 31, 20153.55
April 30, 20153.62
March 31, 20153.62
February 28, 20153.79
January 31, 20153.83
December 31, 20146.1
November 30, 20144.52
October 31, 20144.57
September 30, 20144.58
August 31, 20144.92
July 31, 20145.04
June 30, 20145.04
May 31, 20145.06

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Mr. Leslie KohnCTO889,4872.71%2016-06-16
Dr. Feng-Ming (Fermi) Wang, PhDCEO268,7730.82%2016-06-16
Mr. George LaplanteCFO88,7200.27%2016-06-16
Dr. Didier LeGall, PhDN/A53,3800.16%2014-12-09
Mr. Andrew W. VerhalenN/A48,8410.15%2016-06-16
Dr. Chenming C. Hu, PhDN/A25,123less than 0.1%2016-06-16
Mr. Christopher DayVP, Marketing23,532less than 0.1%2016-06-30
Yen-Lung ChenVice President, Sales13,239less than 0.1%2016-06-16
Mr. Christopher B. PaisleyDirector9,014less than 0.1%2016-06-15
D. Jeffrey RichardsonN/A7,833less than 0.1%2016-06-16

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
Vanguard Group Inc   Premium Plus1,874,9802016-06-305.710.0195,268
Coatue Management LLC   Premium Plus1,035,1582016-06-303.150.7552,596
Blue Ridge CapHldgsLLC/BluRdgCapOSHldgs Premium998,0002016-03-313.090.5444,611
BlackRock Fund Advisors   Premium Plus758,3682016-06-302.310.0138,533
Van Berkom and Associates Inc   Premium Plus710,1472016-06-302.161.6536,083
Vanguard Small Cap Index655,9352016-07-312.000.0638,031
Vanguard Total Stock Mkt Idx621,1232016-07-311.890.0136,013
Fidelity Management and Research Company   Premium Plus611,5362016-06-301.86N/A31,072
iShares Russell 2000 (AU)538,8942016-08-171.870.1235,621
State Street Corp   Premium Plus497,4092016-06-301.51N/A25,272

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