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Ultra Clean Holdings Inc (UCTT) Ownership Data

Short Interest History (%)

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

Date Short Interest
August 14, 20153.09
July 31, 20153.96
July 15, 20153.87
June 30, 20154.07
June 15, 20153.83
May 29, 20153.14
May 15, 20153.02
April 30, 20152.02
April 15, 20151.71
March 31, 20151.97
March 13, 20151.98
February 27, 20152.09
February 13, 20152.14
January 30, 20152.32
January 15, 20152.35
December 31, 20142.52
December 15, 20143.03
November 28, 20143.21
November 14, 20143.15
October 31, 20143.54
October 15, 20143.86
September 30, 20143.24
September 15, 20143.07
August 29, 20142.91
August 15, 20143.04
July 31, 20142.89
July 15, 20143.19
June 30, 20143.08
June 13, 20143.12
May 30, 20142.95
May 15, 20143.26
April 30, 20145.19
April 15, 20144.66
March 31, 20143.07
March 14, 20143.07
February 28, 20141.59
February 14, 20141.25
January 31, 20141.01
January 15, 20140.67
December 31, 20130.74
December 13, 20130.67
November 29, 20130.72
November 15, 20130.66
October 31, 20130.77
October 15, 20130.89
September 30, 20130.89
September 13, 20131.08
August 30, 20131.17
August 15, 20130.96
July 31, 20131.05
July 15, 20131.22
June 28, 20131.95
June 14, 20131.71
May 31, 20131.5
May 15, 20131.65
April 30, 20132.11
April 15, 20131.59
March 28, 20131.61
March 15, 20132.13
February 28, 20132.3
February 15, 20132.27
January 31, 20132.31
January 15, 20132.2
December 31, 20122.38
December 14, 20122.26
November 30, 20122.64
November 15, 20122.7
October 31, 20122.6
October 15, 20122.59
September 28, 20122.89
September 14, 20123.52
August 31, 20123.77
August 15, 20124.06
July 31, 20124.48
July 13, 20124.78
June 29, 20125.2
June 15, 20124.44
May 31, 20124.49
May 15, 20123.9
April 30, 20123.6
April 13, 20123.27
March 30, 20122.87
March 15, 20124.5
February 29, 20124.32
February 15, 20124.37
January 31, 20124.91
January 13, 20125.83
December 30, 20116.33
December 15, 20116.65
November 30, 20117
November 15, 20116.85
October 31, 20116.73
October 14, 20116.96
September 30, 20118.23
September 15, 20117.62
August 31, 20117.04
August 15, 20117.23
July 29, 20116.88
July 15, 20116.98
June 30, 20117.55
June 15, 20118.45
May 31, 20119.34
May 13, 20119.75
April 29, 201110
April 15, 201110.93
March 31, 20119.79
March 15, 20118.56
February 28, 20118.82
February 15, 20116.94
January 31, 20117.7
January 14, 20116.34
December 31, 20105.73
December 15, 20105.71
November 30, 20105.94
November 15, 20105.74
October 29, 20105.27
October 15, 20104.8
September 30, 20105.14
September 15, 20105.83
August 31, 20106.13
August 13, 20105.35
July 30, 20105.91
July 15, 20106.02
June 30, 20106.89
June 15, 20101.4
May 28, 20102.12
May 14, 20102.68
April 30, 20102.11
April 15, 20101.21
March 31, 20100.98
March 15, 20100.8
February 26, 20100.67
February 12, 20100.24
January 29, 20100.18
January 15, 20100.16
December 31, 20090.17
December 15, 20090.2
November 30, 20090.18
November 13, 20090.19
October 30, 20090.28
October 15, 20090.27
September 30, 20090.24
September 15, 20090.26
August 31, 20090.2
August 14, 20090.42
July 31, 20090.68
July 15, 20090.85
June 30, 20092.76
June 15, 20092.46
May 29, 20092.22
May 15, 20091.9
April 30, 20091.33
April 15, 20091.36
March 31, 20091.61
March 13, 20091.87
February 27, 20091.61
February 13, 20091.69
January 30, 20091.84
January 15, 20091.67
December 31, 20081.84
December 15, 20082.62
November 28, 20082.83
November 14, 20083.25
October 31, 20084.07
October 15, 20085.27
September 30, 20086.53
September 15, 20087.28
August 29, 20087.69
August 15, 20087.97
July 31, 20088.48
July 15, 200810.22
June 30, 200810.61
June 13, 200811.29
May 30, 200811.09
May 15, 200810.64
April 30, 20089.93
April 15, 20089.44
March 31, 20089.42
March 14, 200810.72
February 29, 200810.89
February 15, 200811.35
January 31, 200811.89
January 15, 200812.29
December 31, 200712.46
December 11, 200713.04
November 27, 200714.73
November 9, 200715.3
October 26, 200712.75
October 10, 20079.13
September 25, 20079.22
September 11, 20079.99
August 10, 200715.44
July 10, 200718
June 12, 200713.45
May 10, 200711.53
April 10, 200710.27
March 12, 200711.59
February 12, 20076.77
January 9, 20077.69
December 12, 20067.72
November 10, 20064.59
October 10, 20061.79
September 12, 20060.96
August 10, 20060.25
July 11, 20060.12
June 12, 20060.12
May 10, 20060.08
April 10, 20060.09
March 10, 20060.46
February 10, 20060.03
January 10, 20060.16
December 12, 20050.02
November 10, 20050.19
October 11, 20050.27
September 12, 20050.29
August 10, 20050.27
July 12, 20050.25
June 10, 20050.29
May 10, 20050.34
April 12, 20050.31
March 10, 20050.29
February 10, 20050.28
January 11, 20050.23
December 10, 20040.21
November 10, 20040.23
October 12, 20040.28
September 10, 20040.1
August 10, 20040.02
June 9, 20040.01
May 11, 20040.09
April 12, 20040.14

Institutional Ownership History (%)

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

Date Institutional Ownership
June 30, 201578
March 31, 201574
December 31, 201476
September 30, 201479
June 30, 201476
March 31, 201487
December 31, 201369
September 30, 201368
June 30, 201367
March 31, 201367
December 31, 201268
September 30, 201286
June 30, 201283
March 31, 201278
December 31, 201183
September 30, 201182
June 30, 201185
March 31, 201190
December 31, 201082
September 30, 201082
June 30, 201086
March 31, 201078
December 31, 200973
September 30, 200968
June 30, 200975
March 31, 200985
December 31, 200884
September 30, 200891
June 30, 200899
September 30, 200785
June 30, 200788
March 31, 200780
December 31, 200661
September 30, 200646
June 30, 200658
March 31, 200661
December 31, 200529
September 30, 200532
June 30, 200533
March 31, 200539
December 31, 200441
September 30, 200441
June 30, 200444
March 31, 200434

Insider ownership (%)

This is the historical insider ownership of Ultra Clean Holdings 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
July 31, 20157
June 30, 20157
May 31, 20157
April 30, 20157
March 31, 20156
February 28, 20157
January 31, 20156
December 31, 20146
November 30, 20146
October 31, 20146
September 30, 20146
August 31, 20146
July 31, 20146
June 30, 20146
May 31, 20146
March 31, 20147
February 28, 20148
January 31, 20147
December 31, 20138
November 30, 20138
October 31, 20138
September 30, 20138
August 31, 20138
July 31, 20138
June 30, 20138
May 31, 20138
April 30, 20137
March 31, 20137
January 31, 20138
November 30, 20128
October 31, 20128
September 30, 20127
August 31, 20127
July 31, 20127
June 30, 20128
May 31, 20128
April 30, 20127
March 31, 20127
February 29, 20127
January 31, 20127
December 31, 20117
November 30, 20117
October 31, 20116
September 30, 20116
August 31, 20116
July 31, 20116
June 30, 20117
May 31, 20117
April 30, 20116
March 31, 20116
February 28, 20117
January 31, 20115
December 31, 20105
November 30, 20105
October 31, 20105
September 30, 20105
August 31, 20105
July 31, 20105
June 30, 20105
May 31, 20107
April 30, 20107
March 31, 20108
February 28, 20108
January 31, 20107
December 31, 20097
November 30, 20097
October 31, 20097
September 30, 20097
August 31, 20097
July 31, 20097
June 30, 20096
May 31, 20094
April 30, 20094
March 31, 20094
February 28, 20094
January 31, 20094
December 31, 20084
November 30, 20084
October 31, 20084
September 30, 20084
August 31, 20084
July 31, 20084
June 30, 20084
May 31, 20086
April 30, 20087
March 31, 20087
February 29, 20087
January 31, 20088
December 31, 20078
November 30, 20079
October 31, 20079
September 30, 20079
August 31, 200710
July 31, 200711
June 30, 200711
May 31, 200713
April 30, 200714
March 31, 200714
February 28, 200714
January 31, 200714
December 31, 200613
November 30, 200613
October 31, 200613
September 30, 200613
June 30, 200615
May 31, 200612
April 30, 20062
March 31, 20062
February 28, 20062
January 31, 20063
December 31, 20053
November 30, 20053
October 31, 20053
September 30, 20053
August 31, 20053
July 31, 20053
June 30, 20053
May 31, 20053
April 30, 20053
March 31, 20053
February 28, 20053
January 31, 20053
December 31, 20043
November 30, 20043
October 31, 20043
September 30, 20043
August 31, 20043
July 31, 20043
June 30, 20043
May 31, 20043
April 30, 20043
March 31, 20043

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Ginetto Addiego,PhDPresident & COO396,8161.25%2014-03-08
Kevin C. EichlerPresident, CFO289,4650.92%2015-04-23
Clarence L. GrangerDirector272,1680.86%2015-06-04
Mr. James P. ScholhamerCEO230,0000.73%2015-04-23
Moreman FrankN/A107,9250.34%2006-11-29
David SavagePresident & COO85,0010.27%2010-07-29
Mark BingmanPlease see Remarks84,6870.27%2015-07-27
Deborah E. HaywardSr VP Global Acct Mgmt.80,7120.26%2015-02-27
Lavi A. LevSVP Asia76,3570.24%2015-02-27
Kevin L. GriffinN/A75,8280.24%2004-11-30

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value($1000)
J.P. Morgan Investment Management Inc.   Premium Plus2,613,0672015-06-308.270.0116,279
AIT Holding Co LLC1,903,7522015-04-176.05N/A13,612
Royce & Associates, LLC Premium1,898,9082015-06-306.010.0511,830
Awm Investment Company Inc   Premium Plus1,650,0002015-06-305.221.4510,279
Dimensional Fund Advisors, Inc.   Premium Plus1,274,1272015-06-304.03N/A7,938
BlackRock Fund Advisors   Premium Plus892,7972015-06-302.82N/A5,562
Smith Graham & Co Inv Adv, L.P.**   Premium Plus811,8122015-06-302.570.685,058
Harvey Partners LLC   Premium Plus790,0002015-06-302.502.294,922
Vanguard Group, Inc.   Premium Plus776,8692015-06-302.46N/A4,839
Paradigm Capital Management, Inc.   Premium Plus719,6002015-06-302.280.464,483

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