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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
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, 200810.25
June 30, 200810.64
June 13, 200811.29
May 30, 200811.09
May 15, 200810.64
April 30, 20089.93
April 15, 20089.46
March 31, 20089.45
March 14, 200810.72
February 29, 200810.89
February 15, 200811.37
January 31, 200811.92
January 15, 200812.32
December 31, 200712.49
December 11, 200713.04
November 27, 200714.72
November 9, 200715.29
October 26, 200712.75
October 10, 20079.13
September 25, 20079.17
September 11, 20079.93
August 10, 200715.35
July 10, 200717.91
June 12, 200713.44
May 10, 200711.52
April 10, 200710.26
March 12, 200711.59
February 12, 20076.83
January 9, 20077.76
December 12, 20067.72
November 10, 20064.59
October 10, 20061.79
September 12, 20060.96
August 10, 20060.25
July 11, 20060.14
June 12, 20060.12
May 10, 20060.08
April 10, 20060.1
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, 20040.22

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
December 31, 201488
November 30, 201488
October 31, 201488
September 30, 201486
August 31, 201486
July 31, 201487
June 30, 201488
May 31, 201488
April 30, 201488
March 31, 201478
February 28, 201478
January 31, 201481
December 31, 201377
November 30, 201370
October 31, 201370
September 30, 201371
August 31, 201383
July 31, 201383
June 30, 201385
May 31, 201382
April 30, 201382
March 31, 201326
February 28, 201382
January 31, 201383
December 31, 201290
November 30, 201291
October 31, 201285
June 30, 201299
May 31, 201299
April 30, 201299
March 31, 201284
February 29, 201286
January 31, 201287
December 31, 201188
November 30, 201188
October 31, 201188
September 30, 201188
August 31, 201186
July 31, 201193
June 30, 201193
May 31, 201188
April 30, 201199
March 31, 201194
February 28, 201186
January 31, 201185
December 31, 201084
November 30, 201084
October 31, 201085
September 30, 201087
August 31, 201087
July 31, 201082
June 30, 201083
May 31, 201094
April 30, 201086
March 31, 201078
February 28, 201077
January 31, 201072
December 31, 200972
November 30, 200970
October 31, 200972
September 30, 200977
August 31, 200978
July 31, 200979
June 30, 200984
May 31, 200981
April 30, 200983
March 31, 200988
February 28, 200987
January 31, 200996
December 31, 200896
November 30, 200896
September 30, 200893
August 31, 200893
July 31, 200893

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
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 & COO396,8161.34%2014-03-08
Clarence L. GrangerChairman and CEO334,2281.13%2014-03-18
Kevin C. EichlerSr. Vice Pres., CFO131,5770.45%2014-02-28
Moreman FrankN/A107,9250.37%2006-11-29
David SavagePresident & COO85,0010.29%2010-07-29
Kevin L. GriffinN/A75,8280.26%2004-11-30
Deborah E. HaywardSr VP Global Acct Mgmt.69,9330.24%2014-03-24
Mark BingmanSr. VP Supply Chain Management66,5590.23%2014-02-28
Lavi A. LevSVP Asia57,4110.19%2014-11-25
Susan H. BillatDirector56,3580.19%2014-05-21

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
AIT Holding Co LLC2,252,7872014-03-287.680.0029,646,677
Awm Investment Company Inc2,070,1032014-09-307.012.5318,527,000
J.P. Morgan Investment Management Inc.2,057,5422014-09-306.970.0118,415,000
Royce & Associates, LLC1,352,4082014-09-304.580.0412,104,000
Dimensional Fund Advisors, Inc.1,040,4532014-09-303.520.019,312,000
BlackRock Fund Advisors903,0942014-09-303.060.008,083,000
Paradigm Capital Management, Inc.887,7692014-09-303.010.667,946,000
Vanguard Group, Inc.789,3882014-09-302.670.007,065,000
Systematic Financial Management L.P.717,8502014-09-302.430.056,424,000
Royce Opportunity Fund665,2382014-12-312.250.276,173,409

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