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IPG Photonics Corp (IPGP)Ownership Data

Short Interest History (%)

This is the historical short interest of IPG Photonics Corp, as measured by the Short Percentage Of Float.

Date Short Interest
February 13, 201521.58
January 30, 201522.38
January 15, 201522.07
December 31, 201422.02
December 15, 201422.81
November 28, 201416.67
November 14, 201416.64
October 31, 201415.71
October 15, 201416.74
September 30, 201418.16
September 15, 201418.32
August 29, 201418.33
August 15, 201418.1
July 31, 201419.82
July 15, 201419.69
June 30, 201419.67
June 13, 201419.56
May 30, 201418.91
May 15, 201419.28
April 30, 201421.76
April 15, 201425.86
March 31, 201428.61
March 14, 201430.22
February 28, 201429.43
February 14, 201427.62
January 31, 201429.09
January 15, 201431.15
December 31, 201332.6
December 13, 201335.2
November 29, 201337.31
November 15, 201337.8
October 31, 201332.23
October 15, 201331.04
September 30, 201331.21
September 13, 201331.55
August 30, 201331.01
August 15, 201332.41
July 31, 201331.76
July 15, 201333.61
June 28, 201333.81
June 14, 201332.87
May 31, 201329.71
May 15, 201328.18
April 30, 201328.49
April 15, 201329.57
March 28, 201331.22
March 15, 201331.31
February 28, 201329.58
February 15, 201324.03
January 31, 201321.53
January 15, 201320.48
December 31, 201219.96
December 14, 201220.47
November 30, 201220.84
November 15, 201220.46
October 31, 201220.37
October 15, 201222.25
September 28, 201221.33
September 14, 201220.91
August 31, 201221.99
August 15, 201225.14
July 31, 201227.21
July 13, 201226.79
June 29, 201224.23
June 15, 201222.48
May 31, 201218.96
May 15, 201217.63
April 30, 201212.8
April 13, 201213.39
March 30, 201217.46
March 15, 201217.67
February 29, 201216.47
February 15, 201214.15
January 31, 201211.32
January 13, 20128.73
December 30, 20118.48
December 15, 20119.68
November 30, 20118.38
November 15, 20117.43
October 31, 20115.08
October 14, 20113.48
September 30, 20112.58
September 15, 20112.57
August 31, 20112.68
August 15, 20112.52
July 29, 20111.91
July 15, 20111.89
June 30, 20112.81
June 15, 20116.47
May 31, 20116.38
May 13, 20115.4
April 29, 20115.03
April 15, 20114.06
March 31, 20114.76
March 15, 20114.41
February 28, 20114.57
February 15, 20115.63
January 31, 20114.33
January 14, 20114.76
December 31, 20104.27
December 15, 20104.11
November 30, 20104.94
November 15, 20103.99
October 29, 20104.93
October 15, 20105.58
September 30, 20106.96
September 15, 20107.32
August 31, 20107.84
August 13, 20106.24
July 30, 20106.53
July 15, 20106.62
June 30, 20106.2
June 15, 20106.02
May 28, 20106.26
May 14, 20106.33
April 30, 20106.53
April 15, 20106.53
March 31, 20102.9
March 15, 20102.8
February 26, 20103.14
February 12, 20103.01
January 29, 20102.84
January 15, 20103.28
December 31, 20093.44
December 15, 20093.67
November 30, 20093.6
November 13, 20093.76
October 30, 20093.62
October 15, 20093.62
September 30, 20093.78
September 15, 20093.65
August 31, 20093.57
August 14, 20093.49
July 31, 20093.32
July 15, 20093.54
June 30, 20093.12
June 15, 20093.23
May 29, 20093.45
May 15, 20093.6
April 30, 20093.29
April 15, 20093.51
March 31, 20093.76
March 13, 20093.99
February 27, 20094.01
February 13, 20094.6
January 30, 20095.34
January 15, 20096.64
December 31, 20086.45
December 15, 20086.21
November 28, 20086.69
November 14, 20086.37
October 31, 20087.89
October 15, 20087.14
September 30, 20086.93
September 15, 20087.18
August 29, 20086.41
August 15, 20086.6
July 31, 20086.88
July 15, 20086.2
June 30, 20083.94
June 13, 20084.38
May 30, 20084.36
May 15, 20084.19
April 30, 20084.6
April 15, 20084.45
March 31, 20084.43
March 14, 20084.62
February 29, 20083.42
February 15, 20083.34
January 31, 20082.93
January 15, 20082.56
December 31, 20071.97
December 11, 20071.91
November 27, 20071.95
November 9, 20071.9
October 26, 20071.81
October 10, 20071.64
September 25, 20071.67
September 11, 20071.53
August 10, 20071.98
July 10, 20071.84
June 12, 20071.93
May 10, 20071.68
April 10, 20071.21
March 12, 20070.26
February 12, 20070.5
January 9, 20070.43

Institutional Ownership History (%)

This the Institutional Ownership History of IPG Photonics CorpPeter Lynch prefers to buy companies with low institutional ownership.

Date Institutional Ownership
March 31, 201341
February 28, 201378
January 31, 201380
December 31, 201276
November 30, 201276
October 31, 201275
September 30, 201273
August 31, 201273
July 31, 201273
June 30, 201265
May 31, 201265
April 30, 201265
March 31, 201260
February 29, 201260
January 31, 201260
December 31, 201150
November 30, 201150
October 31, 201149
September 30, 201149
August 31, 201149
July 31, 201149
June 30, 201150
May 31, 201149
April 30, 201150
March 31, 201149
February 28, 201149
January 31, 201149
December 31, 201049
November 30, 201048
October 31, 201045
September 30, 201045
August 31, 201045
July 31, 201043
June 30, 201044
May 31, 201044
April 30, 201044
March 31, 201043
February 28, 201043
January 31, 201043
December 31, 200941
November 30, 200942
October 31, 200937
September 30, 200937
August 31, 200938
July 31, 200935
June 30, 200938
May 31, 200938
April 30, 200940
March 31, 200945
February 28, 200945
January 31, 200948
December 31, 200848
November 30, 200848
October 31, 200842
September 30, 200847
August 31, 200847
July 31, 200847
June 30, 200845
May 31, 200845
April 30, 200845
March 31, 200843
February 29, 200843
January 31, 200843

Insider ownership (%)

This is the historical insider ownership of IPG Photonics Corp. 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, 20145
November 30, 20144
October 31, 20144
September 30, 20144
August 31, 20144
July 31, 20144
June 30, 20144
May 31, 20144
March 31, 20145
February 28, 20145
January 31, 20145
December 31, 20135
November 30, 20135
October 31, 20135
September 30, 20135
August 31, 20135
July 31, 20135
June 30, 20135
May 31, 20135
April 30, 20135
March 31, 20135
January 31, 20135
November 30, 20127
October 31, 20127
September 30, 20127
August 31, 20127
July 31, 20127
June 30, 20127
May 31, 20127
April 30, 20127
March 31, 20127
February 29, 20127
January 31, 20128
December 31, 20118
November 30, 20118
October 31, 20118
September 30, 20118
August 31, 20118
July 31, 20118
June 30, 20118
May 31, 20118
April 30, 20119
March 31, 20119
February 28, 20119
January 31, 20118
December 31, 201011
November 30, 201028
October 31, 201028
September 30, 201028
August 31, 201028
July 31, 201029
June 30, 201029
May 31, 201029
April 30, 201029
March 31, 201029
February 28, 201031
January 31, 201031
December 31, 200931
November 30, 200931
October 31, 200931
September 30, 200931
August 31, 200931
July 31, 200931
June 30, 200931
May 31, 200931
April 30, 200931
March 31, 200931
February 28, 200933
January 31, 200933
December 31, 200834
November 30, 200834
October 31, 200834
September 30, 200834
August 31, 200834
July 31, 200834
June 30, 200834
May 31, 200834
April 30, 200851
March 31, 200851
February 29, 200852
January 31, 200852
December 31, 200752
November 30, 200752
October 31, 200752
September 30, 200753
August 31, 200753
July 31, 200754
June 30, 200754
May 31, 200754
April 30, 200754
March 31, 200754
February 28, 200755
January 31, 200755
December 31, 200655
November 30, 200678

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Dr. Denis Gapontsev,PhDN/A1,036,6661.99%2008-11-18
Igor SamartsevChief Technology Officer348,5350.67%2015-02-25
Dr. Valentin P. Gapontsev,PhDCEO & Chairman of the Board, 10% Owner315,9310.61%2015-02-24
Dr. Alexander Ovtchinnikov,PhDSVP, Components70,7600.14%2015-02-25
Dr. George H. BuAbbud,PhDVice-President, Telecom56,8200.11%2013-02-14
Angelo P. LoprestiSVP, Secretary & Gen Counsel51,3090.1%2015-02-25
John H. DaltonDirector39,624less than 0.1%2011-03-30
Timothy P.V. MammenSVP, CFO27,902less than 0.1%2015-02-25
William ShinerVP, Industrial Products24,763less than 0.1%2012-12-31
Mr. Robert A. BlairDirector23,738less than 0.1%2015-02-25

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Valentin Gapontsev Trust I15,094,6682014-04-0129.020.001,072,929,001
Columbia Wanger Asset Management LLC2,424,8002014-12-314.650.90181,667,000
Vanguard Group, Inc.2,097,9772014-12-314.020.01157,181,000
Harding Loevner L.P.1,912,4122014-12-313.661.15143,278,000
Eagle Asset Management, Inc.1,561,0872014-12-312.990.67116,956,000
Columbia Acorn Fund1,504,0002014-12-312.880.72112,679,680
Wasatch Advisors Inc.1,440,3362014-12-312.761.12107,910,000
Artisan Partners Limited Partnership1,402,8952014-12-312.690.18105,105,000
Blair William & Co1,285,4022014-12-312.460.1696,302,000
Lord, Abbett & Co LLC1,032,2382014-12-311.980.2077,335,000

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