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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
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
January 31, 201552
December 31, 201452
November 30, 201452
October 31, 201450
September 30, 201441
August 31, 201441
July 31, 201442
June 30, 201431
May 31, 201430
April 30, 201431
March 31, 201432
February 28, 201433
January 31, 201433
December 31, 201332
November 30, 201347
October 31, 201347
September 30, 201344
August 31, 201344
July 31, 201345
June 30, 201336
May 31, 201333
April 30, 201332
March 31, 201322
February 28, 201338
January 31, 201338
December 31, 20125
November 30, 20123
October 31, 20122

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
January 31, 20154
December 31, 20146
November 30, 20145
October 31, 20145
September 30, 20145
August 31, 20145
July 31, 20145
June 30, 20145
May 31, 20145

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Mr. Les KohnCTO827,2962.73%2015-01-07
Dr. Feng-Ming (Fermi) Wang, PhDCEO177,2590.58%2014-12-16
Dr. Didier LeGall, PhDExecutive Vice President53,3800.18%2014-12-09
Andrew VerhalenDirector43,2990.14%2014-12-16
Mr. George LaplanteCFO20,976less than 0.1%2014-12-16
Mr. Christopher DayVP of Marketing13,454less than 0.1%2014-12-30
Yen-Lung ChenN/A12,860less than 0.1%2014-12-16
Dr. Chenming C. Hu, PhDN/A3,472less than 0.1%2014-12-16
Mr. Lip-Bu TanDirector3,472less than 0.1%2014-12-16
Mr. Christopher B. PaisleyDirector2,778less than 0.1%2014-12-15

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Vanguard Group, Inc.1,358,6992014-12-314.480.0068,913,000
Fidelity Management and Research Company950,2002014-09-303.200.0141,495,000
Lord, Abbett & Co LLC924,8432014-12-313.050.1246,908,000
Pyramis Global Advisors, LLC821,9002014-09-302.770.1135,892,000
Andor Capital Management LLC800,0002014-12-312.642.5840,576,000
BlackRock Fund Advisors799,8972014-12-312.640.0140,571,000
Susquehanna Financial Group, LLLP601,7002014-12-311.980.0130,518,000
Columbia Partners, L.L.C. Inv Mgmt595,5742014-12-311.961.5630,207,000
Lord Abbett Developing Growth Fund535,4312014-12-311.770.8027,157,060
Fidelity® Blue Chip Growth Fund506,7002014-12-311.670.1425,699,824

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